#31228A#31228A

#31228A is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.8% C 0.162 H 280.4°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#31228A
RGB	rgb(49, 34, 138)
HSL	hsl(249, 60%, 34%)
HSV	hsv(249, 75%, 54%)
CMYK	cmyk(64.5%, 75.4%, 0%, 45.9%)
CIE-LAB	lab(22.41, 38.10, -55.25)
CIE-LCH	lch(22.41, 67.12, 304.59°)
OKLab	oklab(34.78% 0.0292 -0.1594)
OKLCH	oklch(34.78% 0.162 280.4)
XYZ	xyz(6.4246, 3.6315, 24.4022)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31228A #7B8A22

analogous

#22478A #31228A #65228A

triadic

#31228A #8A3122 #228A31

tetradic

#31228A #8A2247 #7B8A22 #228A65

square

#31228A #8A2247 #7B8A22 #228A65

split-complementary

#31228A #8A6522 #478A22

monochromatic

#0E0A28 #201659 #31228A #422EBB #6552D4

Accessibility & contrast

On white

12.16

#31228A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#31228A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31228A

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31228A	#FFFFFF	#000000	##FFFFFF
##31228A	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398D

Deuteranopia (green-blind)

#003288

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31228a;
/* rgb */ color: rgb(49, 34, 138);
/* oklch */ color: oklch(34.8% 0.162 280.4);

Tailwind

colors: {
  custom: {
    50: '#755fad',
    500: '#31228a',
    950: '#000000',
  },
}

SCSS

$custom: #31228a;
$custom-light: #755fad;
$custom-dark: #000000;

JSON

{
  "hex": "#31228a",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 138
  },
  "hsl": {
    "h": 248.654,
    "s": 60.465,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34778,
    "c": 0.16208,
    "h": 280.4
  },
  "luminance": 0.03632
}

Semantic roles & 50–950 ramp

primary

#31228A

secondary

#A9B850

accent

#E444CD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #31228A

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

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