#212B7D#212B7D

#212B7D is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.8% C 0.138 H 271.4°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#212B7D
RGB	rgb(33, 43, 125)
HSL	hsl(233, 58%, 31%)
HSV	hsv(233, 74%, 49%)
CMYK	cmyk(73.6%, 65.6%, 0%, 51%)
CIE-LAB	lab(22.06, 25.67, -47.71)
CIE-LCH	lch(22.06, 54.17, 298.29°)
OKLab	oklab(33.83% 0.0035 -0.1378)
OKLCH	oklch(33.83% 0.138 271.4)
XYZ	xyz(5.1915, 3.5312, 19.8061)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B7D #7D7321

analogous

#21597D #212B7D #45217D

triadic

#212B7D #7D212B #2B7D21

tetradic

#212B7D #7D2159 #7D7321 #217D45

square

#212B7D #7D2159 #7D7321 #217D45

split-complementary

#212B7D #7D4521 #597D21

monochromatic

#070A1C #141A4D #212B7D #2E3CAD #4958CF

Accessibility & contrast

On white

12.31

#212B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#212B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B7D

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B7D	#FFFFFF	#000000	##FFFFFF
##212B7D	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003980

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #212b7d;
/* rgb */ color: rgb(33, 43, 125);
/* oklch */ color: oklch(33.8% 0.138 271.4);

Tailwind

colors: {
  custom: {
    50: '#6a64a3',
    500: '#212b7d',
    950: '#000000',
  },
}

SCSS

$custom: #212b7d;
$custom-light: #6a64a3;
$custom-dark: #000000;

JSON

{
  "hex": "#212b7d",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 125
  },
  "hsl": {
    "h": 233.478,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33832,
    "c": 0.13782,
    "h": 271.4
  },
  "luminance": 0.03532
}

Semantic roles & 50–950 ramp

primary

#212B7D

secondary

#B0A54A

accent

#D146E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #212B7D

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

Preview Lab → · Contrast checker → · Palette generator →