#212A9D#212A9D

#212A9D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.9% C 0.182 H 270.2°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#212A9D
RGB	rgb(33, 42, 157)
HSL	hsl(236, 65%, 37%)
HSV	hsv(236, 79%, 62%)
CMYK	cmyk(79%, 73.2%, 0%, 38.4%)
CIE-LAB	lab(24.99, 38.14, -62.77)
CIE-LCH	lch(24.99, 73.45, 301.28°)
OKLab	oklab(36.92% 0.0008 -0.1818)
OKLCH	oklch(36.92% 0.182 270.2)
XYZ	xyz(7.5389, 4.4127, 32.3462)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212A9D #9D9421

analogous

#21689D #212A9D #56219D

triadic

#212A9D #9D212A #2A9D21

tetradic

#212A9D #9D2168 #9D9421 #219D56

square

#212A9D #9D2168 #9D9421 #219D56

split-complementary

#212A9D #9D5621 #689D21

monochromatic

#0C0F38 #161C6A #212A9D #2C38D0 #5C65DD

Accessibility & contrast

On white

11.15

#212A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#212A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212A9D

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212A9D	#FFFFFF	#000000	##FFFFFF
##212A9D	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#00359B

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #212a9d;
/* rgb */ color: rgb(33, 42, 157);
/* oklch */ color: oklch(36.9% 0.182 270.2);

Tailwind

colors: {
  custom: {
    50: '#7364bb',
    500: '#212a9d',
    950: '#000000',
  },
}

SCSS

$custom: #212a9d;
$custom-light: #7364bb;
$custom-dark: #000000;

JSON

{
  "hex": "#212a9d",
  "rgb": {
    "r": 33,
    "g": 42,
    "b": 157
  },
  "hsl": {
    "h": 235.645,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36922,
    "c": 0.18179,
    "h": 270.2
  },
  "luminance": 0.04414
}

Semantic roles & 50–950 ramp

primary

#212A9D

secondary

#C1B959

accent

#DC40E8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #212A9D

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

Preview Lab → · Contrast checker → · Palette generator →