#212A9E#212A9E

#212A9E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.0% C 0.183 H 270.2°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#212A9E
RGB	rgb(33, 42, 158)
HSL	hsl(236, 65%, 37%)
HSV	hsv(236, 79%, 62%)
CMYK	cmyk(79.1%, 73.4%, 0%, 38%)
CIE-LAB	lab(25.10, 38.50, -63.21)
CIE-LCH	lch(25.10, 74.01, 301.34°)
OKLab	oklab(37.03% 0.0006 -0.1831)
OKLCH	oklch(37.03% 0.183 270.2)
XYZ	xyz(7.6246, 4.4470, 32.7976)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212A9E #9E9521

analogous

#21699E #212A9E #57219E

triadic

#212A9E #9E212A #2A9E21

tetradic

#212A9E #9E2169 #9E9521 #219E57

square

#212A9E #9E2169 #9E9521 #219E57

split-complementary

#212A9E #9E5721 #699E21

monochromatic

#0C0F39 #161D6B #212A9E #2C37D1 #5C66DD

Accessibility & contrast

On white

11.11

#212A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#212A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212A9E

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212A9E	#FFFFFF	#000000	##FFFFFF
##212A9E	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #212a9e;
/* rgb */ color: rgb(33, 42, 158);
/* oklch */ color: oklch(37.0% 0.183 270.2);

Tailwind

colors: {
  custom: {
    50: '#7364bc',
    500: '#212a9e',
    950: '#000000',
  },
}

SCSS

$custom: #212a9e;
$custom-light: #7364bc;
$custom-dark: #000000;

JSON

{
  "hex": "#212a9e",
  "rgb": {
    "r": 33,
    "g": 42,
    "b": 158
  },
  "hsl": {
    "h": 235.68,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37029,
    "c": 0.18306,
    "h": 270.2
  },
  "luminance": 0.04448
}

Semantic roles & 50–950 ramp

primary

#212A9E

secondary

#C1BA59

accent

#DC3FE8

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #212A9E

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

Preview Lab → · Contrast checker → · Palette generator →