#212D8D#212D8D

#212D8D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.157 H 270.4°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#212D8D
RGB	rgb(33, 45, 141)
HSL	hsl(233, 62%, 34%)
HSV	hsv(233, 77%, 55%)
CMYK	cmyk(76.6%, 68.1%, 0%, 44.7%)
CIE-LAB	lab(24.07, 30.39, -54.44)
CIE-LCH	lch(24.07, 62.34, 299.17°)
OKLab	oklab(35.77% 0.001 -0.1575)
OKLCH	oklch(35.77% 0.157 270.4)
XYZ	xyz(6.3717, 4.1225, 25.6541)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212D8D #8D8121

analogous

#21638D #212D8D #4B218D

triadic

#212D8D #8D212D #2D8D21

tetradic

#212D8D #8D2163 #8D8121 #218D4B

square

#212D8D #8D2163 #8D8121 #218D4B

split-complementary

#212D8D #8D4B21 #638D21

monochromatic

#0A0D2A #151D5B #212D8D #2D3DBF #5261D6

Accessibility & contrast

On white

11.51

#212D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#212D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212D8D

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212D8D	#FFFFFF	#000000	##FFFFFF
##212D8D	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #212d8d;
/* rgb */ color: rgb(33, 45, 141);
/* oklch */ color: oklch(35.8% 0.157 270.4);

Tailwind

colors: {
  custom: {
    50: '#6e66af',
    500: '#212d8d',
    950: '#000000',
  },
}

SCSS

$custom: #212d8d;
$custom-light: #6e66af;
$custom-dark: #000000;

JSON

{
  "hex": "#212d8d",
  "rgb": {
    "r": 33,
    "g": 45,
    "b": 141
  },
  "hsl": {
    "h": 233.333,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35769,
    "c": 0.15747,
    "h": 270.4
  },
  "luminance": 0.04123
}

Semantic roles & 50–950 ramp

primary

#212D8D

secondary

#BAAE50

accent

#D343E5

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #212D8D

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

Preview Lab → · Contrast checker → · Palette generator →