#212A9B#212A9B

#212A9B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.7% C 0.179 H 270.3°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#212A9B
RGB	rgb(33, 42, 155)
HSL	hsl(236, 65%, 37%)
HSV	hsv(236, 79%, 61%)
CMYK	cmyk(78.7%, 72.9%, 0%, 39.2%)
CIE-LAB	lab(24.78, 37.43, -61.90)
CIE-LCH	lch(24.78, 72.34, 301.16°)
OKLab	oklab(36.71% 0.0011 -0.1792)
OKLCH	oklch(36.71% 0.179 270.3)
XYZ	xyz(7.3695, 4.3450, 31.4543)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212A9B #9B9221

analogous

#21679B #212A9B #55219B

triadic

#212A9B #9B212A #2A9B21

tetradic

#212A9B #9B2167 #9B9221 #219B55

square

#212A9B #9B2167 #9B9221 #219B55

split-complementary

#212A9B #9B5521 #679B21

monochromatic

#0C0F36 #161C69 #212A9B #2C38CD #5A64DC

Accessibility & contrast

On white

11.23

#212A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#212A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212A9B

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212A9B	#FFFFFF	#000000	##FFFFFF
##212A9B	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419E

Deuteranopia (green-blind)

#003599

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #212a9b;
/* rgb */ color: rgb(33, 42, 155);
/* oklch */ color: oklch(36.7% 0.179 270.3);

Tailwind

colors: {
  custom: {
    50: '#7264ba',
    500: '#212a9b',
    950: '#000000',
  },
}

SCSS

$custom: #212a9b;
$custom-light: #7264ba;
$custom-dark: #000000;

JSON

{
  "hex": "#212a9b",
  "rgb": {
    "r": 33,
    "g": 42,
    "b": 155
  },
  "hsl": {
    "h": 235.574,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36707,
    "c": 0.17925,
    "h": 270.3
  },
  "luminance": 0.04346
}

Semantic roles & 50–950 ramp

primary

#212A9B

secondary

#C0B858

accent

#DB40E8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #212A9B

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

Preview Lab → · Contrast checker → · Palette generator →