#212B7E#212B7E

#212B7E is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.9% C 0.139 H 271.4°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#212B7E
RGB	rgb(33, 43, 126)
HSL	hsl(234, 58%, 31%)
HSV	hsv(234, 74%, 49%)
CMYK	cmyk(73.8%, 65.9%, 0%, 50.6%)
CIE-LAB	lab(22.15, 26.05, -48.19)
CIE-LCH	lch(22.15, 54.78, 298.40°)
OKLab	oklab(33.93% 0.0034 -0.1392)
OKLCH	oklch(33.93% 0.139 271.4)
XYZ	xyz(5.2557, 3.5569, 20.1442)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B7E #7E7421

analogous

#21597E #212B7E #45217E

triadic

#212B7E #7E212B #2B7E21

tetradic

#212B7E #7E2159 #7E7421 #217E45

square

#212B7E #7E2159 #7E7421 #217E45

split-complementary

#212B7E #7E4521 #597E21

monochromatic

#080A1D #141A4E #212B7E #2E3CAE #4A58D0

Accessibility & contrast

On white

12.27

#212B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#212B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B7E

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B7E	#FFFFFF	#000000	##FFFFFF
##212B7E	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003981

Deuteranopia (green-blind)

#00317C

Tritanopia (blue-blind)

#004150

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #212b7e;
/* rgb */ color: rgb(33, 43, 126);
/* oklch */ color: oklch(33.9% 0.139 271.4);

Tailwind

colors: {
  custom: {
    50: '#6b64a4',
    500: '#212b7e',
    950: '#000000',
  },
}

SCSS

$custom: #212b7e;
$custom-light: #6b64a4;
$custom-dark: #000000;

JSON

{
  "hex": "#212b7e",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 126
  },
  "hsl": {
    "h": 233.548,
    "s": 58.491,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33928,
    "c": 0.13923,
    "h": 271.4
  },
  "luminance": 0.03557
}

Semantic roles & 50–950 ramp

primary

#212B7E

secondary

#B1A64A

accent

#D146E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #212B7E

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

Preview Lab → · Contrast checker → · Palette generator →