#31228D#31228D

#31228D is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.1% C 0.166 H 279.9°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#31228D
RGB	rgb(49, 34, 141)
HSL	hsl(248, 61%, 34%)
HSV	hsv(248, 76%, 55%)
CMYK	cmyk(65.2%, 75.9%, 0%, 44.7%)
CIE-LAB	lab(22.72, 39.07, -56.62)
CIE-LCH	lch(22.72, 68.79, 304.61°)
OKLab	oklab(35.09% 0.0285 -0.1634)
OKLCH	oklch(35.09% 0.166 279.9)
XYZ	xyz(6.6448, 3.7196, 25.5619)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31228D #7E8D22

analogous

#22498D #31228D #67228D

triadic

#31228D #8D3122 #228D31

tetradic

#31228D #8D2249 #7E8D22 #228D67

square

#31228D #8D2249 #7E8D22 #228D67

split-complementary

#31228D #8D6722 #498D22

monochromatic

#0F0A2A #20165C #31228D #422EBE #6654D6

Accessibility & contrast

On white

12.04

#31228D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#31228D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31228D

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31228D	#FFFFFF	#000000	##FFFFFF
##31228D	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#00328B

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31228d;
/* rgb */ color: rgb(49, 34, 141);
/* oklch */ color: oklch(35.1% 0.166 279.9);

Tailwind

colors: {
  custom: {
    50: '#765faf',
    500: '#31228d',
    950: '#000000',
  },
}

SCSS

$custom: #31228d;
$custom-light: #765faf;
$custom-dark: #000000;

JSON

{
  "hex": "#31228d",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 141
  },
  "hsl": {
    "h": 248.411,
    "s": 61.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35089,
    "c": 0.16587,
    "h": 279.9
  },
  "luminance": 0.0372
}

Semantic roles & 50–950 ramp

primary

#31228D

secondary

#ABB951

accent

#E444CE

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #31228D

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

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