#212A9A#212A9A

#212A9A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.6% C 0.178 H 270.4°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#212A9A
RGB	rgb(33, 42, 154)
HSL	hsl(236, 65%, 37%)
HSV	hsv(236, 79%, 60%)
CMYK	cmyk(78.6%, 72.7%, 0%, 39.6%)
CIE-LAB	lab(24.68, 37.07, -61.46)
CIE-LCH	lch(24.68, 71.78, 301.10°)
OKLab	oklab(36.6% 0.0012 -0.178)
OKLCH	oklch(36.6% 0.178 270.4)
XYZ	xyz(7.2859, 4.3115, 31.0138)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212A9A #9A9121

analogous

#21679A #212A9A #55219A

triadic

#212A9A #9A212A #2A9A21

tetradic

#212A9A #9A2167 #9A9121 #219A55

square

#212A9A #9A2167 #9A9121 #219A55

split-complementary

#212A9A #9A5521 #679A21

monochromatic

#0B0F35 #161C68 #212A9A #2C38CC #5A63DC

Accessibility & contrast

On white

11.28

#212A9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#212A9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212A9A

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212A9A	#FFFFFF	#000000	##FFFFFF
##212A9A	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409D

Deuteranopia (green-blind)

#003598

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #212a9a;
/* rgb */ color: rgb(33, 42, 154);
/* oklch */ color: oklch(36.6% 0.178 270.4);

Tailwind

colors: {
  custom: {
    50: '#7264b9',
    500: '#212a9a',
    950: '#000000',
  },
}

SCSS

$custom: #212a9a;
$custom-light: #7264b9;
$custom-dark: #000000;

JSON

{
  "hex": "#212a9a",
  "rgb": {
    "r": 33,
    "g": 42,
    "b": 154
  },
  "hsl": {
    "h": 235.537,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36601,
    "c": 0.17797,
    "h": 270.4
  },
  "luminance": 0.04312
}

Semantic roles & 50–950 ramp

primary

#212A9A

secondary

#C0B857

accent

#DB40E8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #212A9A

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

Preview Lab → · Contrast checker → · Palette generator →