#212F7D#212F7D

#212F7D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.133 H 270.1°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#212F7D
RGB	rgb(33, 47, 125)
HSL	hsl(231, 58%, 31%)
HSV	hsv(231, 74%, 49%)
CMYK	cmyk(73.6%, 62.4%, 0%, 51%)
CIE-LAB	lab(23.12, 22.91, -45.96)
CIE-LCH	lch(23.12, 51.36, 296.50°)
OKLab	oklab(34.62% 0.0003 -0.1326)
OKLCH	oklch(34.62% 0.133 270.1)
XYZ	xyz(5.3441, 3.8365, 19.8569)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F7D #7D6F21

analogous

#215D7D #212F7D #41217D

triadic

#212F7D #7D212F #2F7D21

tetradic

#212F7D #7D215D #7D6F21 #217D41

square

#212F7D #7D215D #7D6F21 #217D41

split-complementary

#212F7D #7D4121 #5D7D21

monochromatic

#070B1C #141D4D #212F7D #2E41AD #495ECF

Accessibility & contrast

On white

11.88

#212F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#212F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F7D

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F7D	#FFFFFF	#000000	##FFFFFF
##212F7D	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B80

Deuteranopia (green-blind)

#00337B

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #212f7d;
/* rgb */ color: rgb(33, 47, 125);
/* oklch */ color: oklch(34.6% 0.133 270.1);

Tailwind

colors: {
  custom: {
    50: '#6a67a3',
    500: '#212f7d',
    950: '#000000',
  },
}

SCSS

$custom: #212f7d;
$custom-light: #6a67a3;
$custom-dark: #000000;

JSON

{
  "hex": "#212f7d",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 125
  },
  "hsl": {
    "h": 230.87,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.34619,
    "c": 0.13263,
    "h": 270.1
  },
  "luminance": 0.03837
}

Semantic roles & 50–950 ramp

primary

#212F7D

secondary

#B0A04A

accent

#CA46E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #212F7D

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

Preview Lab → · Contrast checker → · Palette generator →