#31208E#31208E

#31208E is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.9% C 0.169 H 280.1°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#31208E
RGB	rgb(49, 32, 142)
HSL	hsl(249, 63%, 34%)
HSV	hsv(249, 77%, 56%)
CMYK	cmyk(65.5%, 77.5%, 0%, 44.3%)
CIE-LAB	lab(22.44, 40.49, -57.71)
CIE-LCH	lch(22.44, 70.50, 305.06°)
OKLab	oklab(34.92% 0.0296 -0.1666)
OKLCH	oklch(34.92% 0.169 280.1)
XYZ	xyz(6.6641, 3.6385, 25.9371)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31208E #7D8E20

analogous

#20468E #31208E #68208E

triadic

#31208E #8E3120 #208E31

tetradic

#31208E #8E2046 #7D8E20 #208E68

square

#31208E #8E2046 #7D8E20 #208E68

split-complementary

#31208E #8E6820 #468E20

monochromatic

#0F092A #20155C #31208E #422BC0 #6651D8

Accessibility & contrast

On white

12.15

#31208E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#31208E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31208E

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31208E	#FFFFFF	#000000	##FFFFFF
##31208E	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #31208e;
/* rgb */ color: rgb(49, 32, 142);
/* oklch */ color: oklch(34.9% 0.169 280.1);

Tailwind

colors: {
  custom: {
    50: '#765eb0',
    500: '#31208e',
    950: '#000000',
  },
}

SCSS

$custom: #31208e;
$custom-light: #765eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#31208e",
  "rgb": {
    "r": 49,
    "g": 32,
    "b": 142
  },
  "hsl": {
    "h": 249.273,
    "s": 63.218,
    "l": 34.118
  },
  "oklch": {
    "l": 0.3492,
    "c": 0.16917,
    "h": 280.1
  },
  "luminance": 0.03639
}

Semantic roles & 50–950 ramp

primary

#31208E

secondary

#AABB4F

accent

#E642CD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #31208E

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

Preview Lab → · Contrast checker → · Palette generator →