#212C78#212C78

#212C78 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.129 H 271.3°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#212C78
RGB	rgb(33, 44, 120)
HSL	hsl(232, 57%, 30%)
HSV	hsv(232, 73%, 47%)
CMYK	cmyk(72.5%, 63.3%, 0%, 52.9%)
CIE-LAB	lab(21.87, 23.06, -44.83)
CIE-LCH	lch(21.87, 50.41, 297.22°)
OKLab	oklab(33.56% 0.0028 -0.1293)
OKLCH	oklch(33.56% 0.129 271.3)
XYZ	xyz(4.9169, 3.4803, 18.1783)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212C78 #786D21

analogous

#215778 #212C78 #422178

triadic

#212C78 #78212C #2C7821

tetradic

#212C78 #782157 #786D21 #217842

square

#212C78 #782157 #786D21 #217842

split-complementary

#212C78 #784221 #577821

monochromatic

#070918 #141A48 #212C78 #2E3EA8 #4758CC

Accessibility & contrast

On white

12.38

#212C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#212C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212C78

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212C78	#FFFFFF	#000000	##FFFFFF
##212C78	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387A

Deuteranopia (green-blind)

#003077

Tritanopia (blue-blind)

#003F4D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #212c78;
/* rgb */ color: rgb(33, 44, 120);
/* oklch */ color: oklch(33.6% 0.129 271.3);

Tailwind

colors: {
  custom: {
    50: '#6965a0',
    500: '#212c78',
    950: '#000000',
  },
}

SCSS

$custom: #212c78;
$custom-light: #6965a0;
$custom-dark: #000000;

JSON

{
  "hex": "#212c78",
  "rgb": {
    "r": 33,
    "g": 44,
    "b": 120
  },
  "hsl": {
    "h": 232.414,
    "s": 56.863,
    "l": 30
  },
  "oklch": {
    "l": 0.33557,
    "c": 0.12936,
    "h": 271.3
  },
  "luminance": 0.03481
}

Semantic roles & 50–950 ramp

primary

#212C78

secondary

#AB9F4A

accent

#CD48E0

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #212C78

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

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