#212F73#212F73

#212F73 is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.7% C 0.118 H 270.1°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#212F73
RGB	rgb(33, 47, 115)
HSL	hsl(230, 55%, 29%)
HSV	hsv(230, 71%, 45%)
CMYK	cmyk(71.3%, 59.1%, 0%, 54.9%)
CIE-LAB	lab(22.28, 19.01, -40.97)
CIE-LCH	lch(22.28, 45.17, 294.88°)
OKLab	oklab(33.73% 0.0002 -0.118)
OKLCH	oklch(33.73% 0.118 270.1)
XYZ	xyz(4.7372, 3.5937, 16.6603)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F73 #736521

analogous

#215873 #212F73 #3C2173

triadic

#212F73 #73212F #2F7321

tetradic

#212F73 #732158 #736521 #21733C

square

#212F73 #732158 #736521 #21733C

split-complementary

#212F73 #733C21 #587321

monochromatic

#070A18 #131C43 #212F73 #2F42A3 #455BCA

Accessibility & contrast

On white

12.22

#212F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#212F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F73

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F73	#FFFFFF	#000000	##FFFFFF
##212F73	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003975

Deuteranopia (green-blind)

#003272

Tritanopia (blue-blind)

#00404C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #212f73;
/* rgb */ color: rgb(33, 47, 115);
/* oklch */ color: oklch(33.7% 0.118 270.1);

Tailwind

colors: {
  custom: {
    50: '#68679c',
    500: '#212f73',
    950: '#000000',
  },
}

SCSS

$custom: #212f73;
$custom-light: #68679c;
$custom-dark: #000000;

JSON

{
  "hex": "#212f73",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 115
  },
  "hsl": {
    "h": 229.756,
    "s": 55.405,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33726,
    "c": 0.11796,
    "h": 270.1
  },
  "luminance": 0.03594
}

Semantic roles & 50–950 ramp

primary

#212F73

secondary

#A69749

accent

#C549DF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #212F73

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

Preview Lab → · Contrast checker → · Palette generator →