#212F7B#212F7B

#212F7B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.130 H 270.1°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#212F7B
RGB	rgb(33, 47, 123)
HSL	hsl(231, 58%, 31%)
HSV	hsv(231, 73%, 48%)
CMYK	cmyk(73.2%, 61.8%, 0%, 51.8%)
CIE-LAB	lab(22.95, 22.14, -44.98)
CIE-LCH	lch(22.95, 50.13, 296.20°)
OKLab	oklab(34.44% 0.0003 -0.1297)
OKLCH	oklch(34.44% 0.13 270.1)
XYZ	xyz(5.2176, 3.7859, 19.1908)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F7B #7B6D21

analogous

#215C7B #212F7B #40217B

triadic

#212F7B #7B212F #2F7B21

tetradic

#212F7B #7B215C #7B6D21 #217B40

square

#212F7B #7B215C #7B6D21 #217B40

split-complementary

#212F7B #7B4021 #5C7B21

monochromatic

#070A1A #141D4B #212F7B #2E41AB #485DCE

Accessibility & contrast

On white

11.95

#212F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#212F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F7B

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F7B	#FFFFFF	#000000	##FFFFFF
##212F7B	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7E

Deuteranopia (green-blind)

#00337A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #212f7b;
/* rgb */ color: rgb(33, 47, 123);
/* oklch */ color: oklch(34.4% 0.130 270.1);

Tailwind

colors: {
  custom: {
    50: '#6a67a2',
    500: '#212f7b',
    950: '#000000',
  },
}

SCSS

$custom: #212f7b;
$custom-light: #6a67a2;
$custom-dark: #000000;

JSON

{
  "hex": "#212f7b",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 123
  },
  "hsl": {
    "h": 230.667,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.34437,
    "c": 0.12973,
    "h": 270.1
  },
  "luminance": 0.03786
}

Semantic roles & 50–950 ramp

primary

#212F7B

secondary

#AE9E4A

accent

#C947E1

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #212F7B

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

Preview Lab → · Contrast checker → · Palette generator →