#212B71#212B71

#212B71 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.7% C 0.120 H 271.8°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#212B71
RGB	rgb(33, 43, 113)
HSL	hsl(233, 55%, 29%)
HSV	hsv(233, 71%, 44%)
CMYK	cmyk(70.8%, 61.9%, 0%, 55.7%)
CIE-LAB	lab(20.99, 21.04, -41.78)
CIE-LCH	lch(20.99, 46.78, 296.73°)
OKLab	oklab(32.71% 0.0038 -0.1204)
OKLCH	oklch(32.71% 0.12 271.8)
XYZ	xyz(4.4707, 3.2429, 16.0099)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B71 #716721

analogous

#215371 #212B71 #3F2171

triadic

#212B71 #71212B #2B7121

tetradic

#212B71 #712153 #716721 #21713F

square

#212B71 #712153 #716721 #21713F

split-complementary

#212B71 #713F21 #537121

monochromatic

#070918 #131942 #212B71 #2F3DA0 #4455C8

Accessibility & contrast

On white

12.74

#212B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#212B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B71

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B71	#FFFFFF	#000000	##FFFFFF
##212B71	1.00	12.74	1.65	12.74
#FFFFFF	12.74	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003673

Deuteranopia (green-blind)

#002F70

Tritanopia (blue-blind)

#003C49

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #212b71;
/* rgb */ color: rgb(33, 43, 113);
/* oklch */ color: oklch(32.7% 0.120 271.8);

Tailwind

colors: {
  custom: {
    50: '#67649a',
    500: '#212b71',
    950: '#000000',
  },
}

SCSS

$custom: #212b71;
$custom-light: #67649a;
$custom-dark: #000000;

JSON

{
  "hex": "#212b71",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 113
  },
  "hsl": {
    "h": 232.5,
    "s": 54.795,
    "l": 28.627
  },
  "oklch": {
    "l": 0.32713,
    "c": 0.12045,
    "h": 271.8
  },
  "luminance": 0.03243
}

Semantic roles & 50–950 ramp

primary

#212B71

secondary

#A59949

accent

#CC4ADE

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #212B71

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

Preview Lab → · Contrast checker → · Palette generator →