#212A7B#212A7B

#212A7B is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.4% C 0.136 H 271.8°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#212A7B
RGB	rgb(33, 42, 123)
HSL	hsl(234, 58%, 31%)
HSV	hsv(234, 73%, 48%)
CMYK	cmyk(73.2%, 65.9%, 0%, 51.8%)
CIE-LAB	lab(21.61, 25.59, -47.16)
CIE-LCH	lch(21.61, 53.66, 298.48°)
OKLab	oklab(33.45% 0.0043 -0.1362)
OKLCH	oklch(33.45% 0.136 271.8)
XYZ	xyz(5.0291, 3.4088, 19.1280)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212A7B #7B7221

analogous

#21577B #212A7B #45217B

triadic

#212A7B #7B212A #2A7B21

tetradic

#212A7B #7B2157 #7B7221 #217B45

square

#212A7B #7B2157 #7B7221 #217B45

split-complementary

#212A7B #7B4521 #577B21

monochromatic

#07091A #141A4B #212A7B #2E3AAB #4856CE

Accessibility & contrast

On white

12.49

#212A7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#212A7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212A7B

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212A7B	#FFFFFF	#000000	##FFFFFF
##212A7B	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387E

Deuteranopia (green-blind)

#003079

Tritanopia (blue-blind)

#003F4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #212a7b;
/* rgb */ color: rgb(33, 42, 123);
/* oklch */ color: oklch(33.4% 0.136 271.8);

Tailwind

colors: {
  custom: {
    50: '#6a63a2',
    500: '#212a7b',
    950: '#000000',
  },
}

SCSS

$custom: #212a7b;
$custom-light: #6a63a2;
$custom-dark: #000000;

JSON

{
  "hex": "#212a7b",
  "rgb": {
    "r": 33,
    "g": 42,
    "b": 123
  },
  "hsl": {
    "h": 234,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33448,
    "c": 0.13627,
    "h": 271.8
  },
  "luminance": 0.03409
}

Semantic roles & 50–950 ramp

primary

#212A7B

secondary

#AEA44A

accent

#D247E1

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #212A7B

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

Preview Lab → · Contrast checker → · Palette generator →