Is Earth blue an official BrickColor?

BrickColor ID 140 uses RGB 32, 58, 86 from the public BrickColor table. HEX #203A56 is a calculated sRGB encoding of that RGB.

BrickColor 140

Earth blue

Official RGB 32, 58, 86. HEX, HSL, and OKLCH below are calculated conversions.

Open color page

Earth blue (BrickColor 140)

#203A56

Accessibility

AAA

11.66:1

Vs white / black

11.66:1 · 1.8:1

Sources

Library color

Codes

Formats

HEX

#203a56

RGB

rgb(32, 58, 86)

RGBA

rgba(32, 58, 86, 1)

HSL

hsl(211, 46%, 23%)

HSLA

hsla(211, 46%, 23%, 1)

HSV

hsv(211, 63%, 34%)

LAB

lab(23.69% -0.28 -19.89)

LCH

lch(23.69% 19.89 269.19)

OKLAB

oklab(0.3417 -0.0187 -0.056)

OKLCH

oklch(0.3417 0.059 251.53)

XYZ

xyz(3.79, 4.00, 9.38)

CMYK

cmyk(63%, 33%, 0%, 66%)

CSS

color: #203a56;

CSS variable

--color-203a56: #203a56;

SCSS

$color-203a56: #203a56;

JavaScript

const color = "#203a56";

TypeScript

const color: string = "#203a56";

React

style={{ backgroundColor: "#203a56" }}

JSON

{ "hex": "#203a56", "rgb": { "r": 32, "g": 58, "b": 86 }, "oklch": "oklch(0.3417 0.059 251.53)" }

Export

Developer code

css

:root {
  --earth-blue-(brickcolor-140)-1: #203a56;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

slate-700

Noticeably different · ΔE 4.38 · #334155

Nearest CSS named color

DarkSlateBlue

Very different · ΔE 11.59 · #483D8B

Nearest Material color

indigo-800

Very different · ΔE 9.58 · #283593

Nearest Bootstrap color

dark

Very different · ΔE 12.61 · #212529

OKLCH

Perceptual 50–950 scale

Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.

50e4f7ff 100d6eaff 200bfd7f2 300a6c1df 40087a5c6 5006c89a9 6005a738e 700475b73 800344558 90023303f 950101b28

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

eceff1 dadee3 c7ced5 b5bdc7 a2adb9 909dab 7d8c9c 6a7c8e 586b80 455b72 334a64 203a56 1d354f 1b3048 182c41 152739 132232 101d2b 0d1824 0b131d 080f16 050a0e 030507

Palette

Tints

Mixed toward white — soft backgrounds and highlights

eceff1 dadee3 c7ced5 b5bdc7 a2adb9 909dab 7d8c9c 6a7c8e 586b80 455b72 334a64

Palette

Shades

Mixed toward black — depth, text, and emphasis

1d354f 1b3048 182c41 152739 132232 101d2b 0d1824 0b131d 080f16 050a0e 030507

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

28405a 30465d 384c61 405164 485768 505d6b 58636f 606972 686f76 707479 787a7d

Harmony

Complementary

Opposite on the color wheel for contrast

#203A56Stop 1 #563C20Stop 2

Harmony

Analogous

Neighbors that sit comfortably together

#205556Stop 1 #203A56Stop 2 #212056Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#203A56Stop 1 #56203AStop 2 #3A5620Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#203A56Stop 1 #562120Stop 2 #555620Stop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#1C324AStop 1 #305882Stop 2 #457EBAStop 3 #7DA4CFStop 4 #B5CBE3Stop 5

Using this color

Where #203a56 works

Earth blue (BrickColor 140) (#203a56) sits in the blue family at about 211° hue, 46% saturation, and 23% lightness. Contrast is 11.66:1 on white and 1.8:1 on black, so white labels read more clearly on the swatch itself. Nearest Tailwind token: slate-700 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

supporting UI accents
text or icons on a white canvas

On a black or near-black UI, #203a56 is 1.8:1. Prefer it as a fill, border, or large heading rather than 16px copy.

Family context: Trust, calm, and professionalism. The most used color in SaaS, finance, and healthcare. Common uses still include buttons, charts, and accents in the Blue range — always verify the pair for this exact hex in the contrast checker.

Where #203a56 works

Sensible jobs for this swatch

supporting UI accents

text or icons on a white canvas

On a black or near-black UI, #203a56 is 1.8:1. Prefer it as a fill, border, or large heading rather than 16px copy.