#212B8A#212B8A

#212B8A is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.1% C 0.156 H 270.9°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#212B8A
RGB	rgb(33, 43, 138)
HSL	hsl(234, 61%, 34%)
HSV	hsv(234, 76%, 54%)
CMYK	cmyk(76.1%, 68.8%, 0%, 45.9%)
CIE-LAB	lab(23.29, 30.59, -53.86)
CIE-LCH	lch(23.29, 61.94, 299.59°)
OKLab	oklab(35.11% 0.0025 -0.1558)
OKLCH	oklch(35.11% 0.156 270.9)
XYZ	xyz(6.0770, 3.8854, 24.4695)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B8A #8A8021

analogous

#215F8A #212B8A #4B218A

triadic

#212B8A #8A212B #2B8A21

tetradic

#212B8A #8A215F #8A8021 #218A4B

square

#212B8A #8A215F #8A8021 #218A4B

split-complementary

#212B8A #8A4B21 #5F8A21

monochromatic

#090C27 #151C59 #212B8A #2D3ABB #505DD5

Accessibility & contrast

On white

11.82

#212B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#212B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B8A

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B8A	#FFFFFF	#000000	##FFFFFF
##212B8A	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8D

Deuteranopia (green-blind)

#003388

Tritanopia (blue-blind)

#004556

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #212b8a;
/* rgb */ color: rgb(33, 43, 138);
/* oklch */ color: oklch(35.1% 0.156 270.9);

Tailwind

colors: {
  custom: {
    50: '#6e64ad',
    500: '#212b8a',
    950: '#000000',
  },
}

SCSS

$custom: #212b8a;
$custom-light: #6e64ad;
$custom-dark: #000000;

JSON

{
  "hex": "#212b8a",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 138
  },
  "hsl": {
    "h": 234.286,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.3511,
    "c": 0.1558,
    "h": 270.9
  },
  "luminance": 0.03886
}

Semantic roles & 50–950 ramp

primary

#212B8A

secondary

#B9AE4E

accent

#D543E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #212B8A

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

Preview Lab → · Contrast checker → · Palette generator →