#31228B#31228B

#31228B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.9% C 0.163 H 280.2°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#31228B
RGB	rgb(49, 34, 139)
HSL	hsl(249, 61%, 34%)
HSV	hsv(249, 76%, 55%)
CMYK	cmyk(64.7%, 75.5%, 0%, 45.5%)
CIE-LAB	lab(22.52, 38.42, -55.71)
CIE-LCH	lch(22.52, 67.68, 304.60°)
OKLab	oklab(34.88% 0.029 -0.1607)
OKLCH	oklch(34.88% 0.163 280.2)
XYZ	xyz(6.4974, 3.6606, 24.7853)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31228B #7C8B22

analogous

#22488B #31228B #66228B

triadic

#31228B #8B3122 #228B31

tetradic

#31228B #8B2248 #7C8B22 #228B66

square

#31228B #8B2248 #7C8B22 #228B66

split-complementary

#31228B #8B6622 #488B22

monochromatic

#0E0A29 #20165A #31228B #422EBC #6553D5

Accessibility & contrast

On white

12.12

#31228B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#31228B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31228B

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31228B	#FFFFFF	#000000	##FFFFFF
##31228B	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003289

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31228b;
/* rgb */ color: rgb(49, 34, 139);
/* oklch */ color: oklch(34.9% 0.163 280.2);

Tailwind

colors: {
  custom: {
    50: '#765fae',
    500: '#31228b',
    950: '#000000',
  },
}

SCSS

$custom: #31228b;
$custom-light: #765fae;
$custom-dark: #000000;

JSON

{
  "hex": "#31228b",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 139
  },
  "hsl": {
    "h": 248.571,
    "s": 60.694,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34881,
    "c": 0.16334,
    "h": 280.2
  },
  "luminance": 0.03661
}

Semantic roles & 50–950 ramp

primary

#31228B

secondary

#AAB850

accent

#E444CD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #31228B

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

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