#212B73#212B73

#212B73 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.9% C 0.123 H 271.7°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#212B73
RGB	rgb(33, 43, 115)
HSL	hsl(233, 55%, 29%)
HSV	hsv(233, 71%, 45%)
CMYK	cmyk(71.3%, 62.6%, 0%, 54.9%)
CIE-LAB	lab(21.16, 21.82, -42.79)
CIE-LCH	lch(21.16, 48.03, 297.02°)
OKLab	oklab(32.9% 0.0038 -0.1233)
OKLCH	oklch(32.9% 0.123 271.7)
XYZ	xyz(4.5845, 3.2885, 16.6095)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B73 #736921

analogous

#215473 #212B73 #402173

triadic

#212B73 #73212B #2B7321

tetradic

#212B73 #732154 #736921 #217340

square

#212B73 #732154 #736921 #217340

split-complementary

#212B73 #734021 #547321

monochromatic

#070918 #131943 #212B73 #2F3DA3 #4555CA

Accessibility & contrast

On white

12.67

#212B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#212B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B73

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B73	#FFFFFF	#000000	##FFFFFF
##212B73	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003775

Deuteranopia (green-blind)

#002F72

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #212b73;
/* rgb */ color: rgb(33, 43, 115);
/* oklch */ color: oklch(32.9% 0.123 271.7);

Tailwind

colors: {
  custom: {
    50: '#68649c',
    500: '#212b73',
    950: '#000000',
  },
}

SCSS

$custom: #212b73;
$custom-light: #68649c;
$custom-dark: #000000;

JSON

{
  "hex": "#212b73",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 115
  },
  "hsl": {
    "h": 232.683,
    "s": 55.405,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32895,
    "c": 0.12341,
    "h": 271.7
  },
  "luminance": 0.03289
}

Semantic roles & 50–950 ramp

primary

#212B73

secondary

#A69B49

accent

#CC49DF

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #212B73

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

Preview Lab → · Contrast checker → · Palette generator →