#212F7F#212F7F

#212F7F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.136 H 270.1°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#212F7F
RGB	rgb(33, 47, 127)
HSL	hsl(231, 59%, 31%)
HSV	hsv(231, 74%, 50%)
CMYK	cmyk(74%, 63%, 0%, 50.2%)
CIE-LAB	lab(23.30, 23.69, -46.94)
CIE-LCH	lch(23.30, 52.58, 296.78°)
OKLab	oklab(34.8% 0.0003 -0.1355)
OKLCH	oklch(34.8% 0.136 270.1)
XYZ	xyz(5.4732, 3.8881, 20.5366)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F7F #7F7121

analogous

#215E7F #212F7F #42217F

triadic

#212F7F #7F212F #2F7F21

tetradic

#212F7F #7F215E #7F7121 #217F42

square

#212F7F #7F215E #7F7121 #217F42

split-complementary

#212F7F #7F4221 #5E7F21

monochromatic

#080B1E #141D4E #212F7F #2E41B0 #4A5ED0

Accessibility & contrast

On white

11.81

#212F7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#212F7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F7F

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F7F	#FFFFFF	#000000	##FFFFFF
##212F7F	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C82

Deuteranopia (green-blind)

#00337D

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #212f7f;
/* rgb */ color: rgb(33, 47, 127);
/* oklch */ color: oklch(34.8% 0.136 270.1);

Tailwind

colors: {
  custom: {
    50: '#6b67a5',
    500: '#212f7f',
    950: '#000000',
  },
}

SCSS

$custom: #212f7f;
$custom-light: #6b67a5;
$custom-dark: #000000;

JSON

{
  "hex": "#212f7f",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 127
  },
  "hsl": {
    "h": 231.064,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34803,
    "c": 0.1355,
    "h": 270.1
  },
  "luminance": 0.03889
}

Semantic roles & 50–950 ramp

primary

#212F7F

secondary

#B2A24A

accent

#CB46E2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #212F7F

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

Preview Lab → · Contrast checker → · Palette generator →