#212B81#212B81

#212B81 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.143 H 271.3°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#212B81
RGB	rgb(33, 43, 129)
HSL	hsl(234, 59%, 32%)
HSV	hsv(234, 74%, 51%)
CMYK	cmyk(74.4%, 66.7%, 0%, 49.4%)
CIE-LAB	lab(22.43, 27.20, -49.63)
CIE-LCH	lch(22.43, 56.59, 298.72°)
OKLab	oklab(34.22% 0.0032 -0.1434)
OKLCH	oklch(34.22% 0.143 271.3)
XYZ	xyz(5.4522, 3.6355, 21.1790)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B81 #817721

analogous

#215B81 #212B81 #472181

triadic

#212B81 #81212B #2B8121

tetradic

#212B81 #81215B #817721 #218147

square

#212B81 #81215B #817721 #218147

split-complementary

#212B81 #814721 #5B8121

monochromatic

#080B20 #151B50 #212B81 #2D3BB2 #4B59D1

Accessibility & contrast

On white

12.16

#212B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#212B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B81

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B81	#FFFFFF	#000000	##FFFFFF
##212B81	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A84

Deuteranopia (green-blind)

#00317F

Tritanopia (blue-blind)

#004252

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #212b81;
/* rgb */ color: rgb(33, 43, 129);
/* oklch */ color: oklch(34.2% 0.143 271.3);

Tailwind

colors: {
  custom: {
    50: '#6b64a6',
    500: '#212b81',
    950: '#000000',
  },
}

SCSS

$custom: #212b81;
$custom-light: #6b64a6;
$custom-dark: #000000;

JSON

{
  "hex": "#212b81",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 129
  },
  "hsl": {
    "h": 233.75,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.34218,
    "c": 0.14344,
    "h": 271.3
  },
  "luminance": 0.03636
}

Semantic roles & 50–950 ramp

primary

#212B81

secondary

#B4A94A

accent

#D245E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08050F

muted

#7A7A7F

Preview Lab

Preview with #212B81

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

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