#2B478F#2B478F

#2B478F is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.7% C 0.124 H 265.4°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#2B478F
RGB	rgb(43, 71, 143)
HSL	hsl(223, 54%, 36%)
HSV	hsv(223, 70%, 56%)
CMYK	cmyk(69.9%, 50.3%, 0%, 43.9%)
CIE-LAB	lab(31.81, 14.90, -43.06)
CIE-LCH	lch(31.81, 45.56, 289.08°)
OKLab	oklab(41.74% -0.01 -0.1235)
OKLCH	oklch(41.74% 0.124 265.4)
XYZ	xyz(8.2057, 7.0024, 26.9004)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B478F #8F732B

analogous

#2B798F #2B478F #412B8F

triadic

#2B478F #8F2B47 #478F2B

tetradic

#2B478F #8F2B79 #8F732B #2B8F41

square

#2B478F #8F2B79 #8F732B #2B8F41

split-complementary

#2B478F #8F412B #798F2B

monochromatic

#0F1831 #1D3060 #2B478F #395EBE #6482D0

Accessibility & contrast

On white

8.75

#2B478F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#2B478F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B478F

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B478F	#FFFFFF	#000000	##FFFFFF
##2B478F	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5092

Deuteranopia (green-blind)

#02478E

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2b478f;
/* rgb */ color: rgb(43, 71, 143);
/* oklch */ color: oklch(41.7% 0.124 265.4);

Tailwind

colors: {
  custom: {
    50: '#7179b0',
    500: '#2b478f',
    950: '#000000',
  },
}

SCSS

$custom: #2b478f;
$custom-light: #7179b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b478f",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 143
  },
  "hsl": {
    "h": 223.2,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.41743,
    "c": 0.1239,
    "h": 265.4
  },
  "luminance": 0.07003
}

Semantic roles & 50–950 ramp

primary

#2B478F

secondary

#B79E5F

accent

#B44BDD

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B478F

Body copy rendered with the generated semantic roles for this colour.

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