#212F7C#212F7C

#212F7C is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.5% C 0.131 H 270.1°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#212F7C
RGB	rgb(33, 47, 124)
HSL	hsl(231, 58%, 31%)
HSV	hsv(231, 73%, 49%)
CMYK	cmyk(73.4%, 62.1%, 0%, 51.4%)
CIE-LAB	lab(23.04, 22.53, -45.47)
CIE-LCH	lch(23.04, 50.75, 296.35°)
OKLab	oklab(34.53% 0.0003 -0.1312)
OKLCH	oklch(34.53% 0.131 270.1)
XYZ	xyz(5.2806, 3.8111, 19.5222)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F7C #7C6E21

analogous

#215C7C #212F7C #40217C

triadic

#212F7C #7C212F #2F7C21

tetradic

#212F7C #7C215C #7C6E21 #217C40

square

#212F7C #7C215C #7C6E21 #217C40

split-complementary

#212F7C #7C4021 #5C7C21

monochromatic

#070A1B #141D4C #212F7C #2E41AC #495DCF

Accessibility & contrast

On white

11.92

#212F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#212F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F7C

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F7C	#FFFFFF	#000000	##FFFFFF
##212F7C	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7F

Deuteranopia (green-blind)

#00337A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #212f7c;
/* rgb */ color: rgb(33, 47, 124);
/* oklch */ color: oklch(34.5% 0.131 270.1);

Tailwind

colors: {
  custom: {
    50: '#6a67a3',
    500: '#212f7c',
    950: '#000000',
  },
}

SCSS

$custom: #212f7c;
$custom-light: #6a67a3;
$custom-dark: #000000;

JSON

{
  "hex": "#212f7c",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 124
  },
  "hsl": {
    "h": 230.769,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34528,
    "c": 0.13118,
    "h": 270.1
  },
  "luminance": 0.03812
}

Semantic roles & 50–950 ramp

primary

#212F7C

secondary

#AF9F4A

accent

#C947E1

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #212F7C

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

Preview Lab → · Contrast checker → · Palette generator →