#31228F#31228F

#31228F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.3% C 0.168 H 279.6°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#31228F
RGB	rgb(49, 34, 143)
HSL	hsl(248, 62%, 35%)
HSV	hsv(248, 76%, 56%)
CMYK	cmyk(65.7%, 76.2%, 0%, 43.9%)
CIE-LAB	lab(22.93, 39.72, -57.52)
CIE-LCH	lch(22.93, 69.90, 304.63°)
OKLab	oklab(35.3% 0.028 -0.166)
OKLCH	oklch(35.3% 0.168 279.6)
XYZ	xyz(6.7950, 3.7797, 26.3527)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31228F #808F22

analogous

#224A8F #31228F #68228F

triadic

#31228F #8F3122 #228F31

tetradic

#31228F #8F224A #808F22 #228F68

square

#31228F #8F224A #808F22 #228F68

split-complementary

#31228F #8F6822 #4A8F22

monochromatic

#0F0A2C #20165E #31228F #422EC0 #6755D7

Accessibility & contrast

On white

11.96

#31228F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#31228F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31228F

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31228F	#FFFFFF	#000000	##FFFFFF
##31228F	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B92

Deuteranopia (green-blind)

#00328D

Tritanopia (blue-blind)

#004157

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #31228f;
/* rgb */ color: rgb(49, 34, 143);
/* oklch */ color: oklch(35.3% 0.168 279.6);

Tailwind

colors: {
  custom: {
    50: '#765fb1',
    500: '#31228f',
    950: '#000000',
  },
}

SCSS

$custom: #31228f;
$custom-light: #765fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#31228f",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 143
  },
  "hsl": {
    "h": 248.257,
    "s": 61.582,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35298,
    "c": 0.16838,
    "h": 279.6
  },
  "luminance": 0.0378
}

Semantic roles & 50–950 ramp

primary

#31228F

secondary

#ACBA52

accent

#E543CE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #31228F

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

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