#31229A#31229A

#31229A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.5% C 0.182 H 278.0°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#31229A
RGB	rgb(49, 34, 154)
HSL	hsl(248, 64%, 37%)
HSV	hsv(248, 78%, 60%)
CMYK	cmyk(68.2%, 77.9%, 0%, 39.6%)
CIE-LAB	lab(24.09, 43.24, -62.38)
CIE-LCH	lch(24.09, 75.90, 304.73°)
OKLab	oklab(36.47% 0.0253 -0.1802)
OKLCH	oklch(36.47% 0.182 278)
XYZ	xyz(7.6695, 4.1295, 30.9585)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31229A #8B9A22

analogous

#224F9A #31229A #6D229A

triadic

#31229A #9A3122 #229A31

tetradic

#31229A #9A224F #8B9A22 #229A6D

square

#31229A #9A224F #8B9A22 #229A6D

split-complementary

#31229A #9A6D22 #4F9A22

monochromatic

#110C36 #211768 #31229A #412DCC #6B5BDB

Accessibility & contrast

On white

11.50

#31229A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#31229A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31229A

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31229A	#FFFFFF	#000000	##FFFFFF
##31229A	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9D

Deuteranopia (green-blind)

#003498

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #31229a;
/* rgb */ color: rgb(49, 34, 154);
/* oklch */ color: oklch(36.5% 0.182 278.0);

Tailwind

colors: {
  custom: {
    50: '#7960b9',
    500: '#31229a',
    950: '#000000',
  },
}

SCSS

$custom: #31229a;
$custom-light: #7960b9;
$custom-dark: #000000;

JSON

{
  "hex": "#31229a",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 154
  },
  "hsl": {
    "h": 247.5,
    "s": 63.83,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36466,
    "c": 0.18198,
    "h": 278
  },
  "luminance": 0.0413
}

Semantic roles & 50–950 ramp

primary

#31229A

secondary

#B2BF58

accent

#E741D2

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #31229A

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

Preview Lab → · Contrast checker → · Palette generator →