#212F78#212F78

#212F78 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.2% C 0.125 H 270.1°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#212F78
RGB	rgb(33, 47, 120)
HSL	hsl(230, 57%, 30%)
HSV	hsv(230, 73%, 47%)
CMYK	cmyk(72.5%, 60.8%, 0%, 52.9%)
CIE-LAB	lab(22.70, 20.97, -43.49)
CIE-LCH	lch(22.70, 48.28, 295.74°)
OKLab	oklab(34.17% 0.0003 -0.1254)
OKLCH	oklch(34.17% 0.125 270.1)
XYZ	xyz(5.0327, 3.7119, 18.2169)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F78 #786A21

analogous

#215A78 #212F78 #3F2178

triadic

#212F78 #78212F #2F7821

tetradic

#212F78 #78215A #786A21 #21783F

square

#212F78 #78215A #786A21 #21783F

split-complementary

#212F78 #783F21 #5A7821

monochromatic

#070918 #141C48 #212F78 #2E42A8 #475CCC

Accessibility & contrast

On white

12.05

#212F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#212F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F78

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F78	#FFFFFF	#000000	##FFFFFF
##212F78	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7A

Deuteranopia (green-blind)

#003277

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #212f78;
/* rgb */ color: rgb(33, 47, 120);
/* oklch */ color: oklch(34.2% 0.125 270.1);

Tailwind

colors: {
  custom: {
    50: '#6967a0',
    500: '#212f78',
    950: '#000000',
  },
}

SCSS

$custom: #212f78;
$custom-light: #6967a0;
$custom-dark: #000000;

JSON

{
  "hex": "#212f78",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 120
  },
  "hsl": {
    "h": 230.345,
    "s": 56.863,
    "l": 30
  },
  "oklch": {
    "l": 0.34167,
    "c": 0.12536,
    "h": 270.1
  },
  "luminance": 0.03712
}

Semantic roles & 50–950 ramp

primary

#212F78

secondary

#AB9B4A

accent

#C848E0

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #212F78

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

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