#31209A#31209A

#31209A is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.2% C 0.184 H 278.3°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#31209A
RGB	rgb(49, 32, 154)
HSL	hsl(248, 66%, 36%)
HSV	hsv(248, 79%, 60%)
CMYK	cmyk(68.2%, 79.2%, 0%, 39.6%)
CIE-LAB	lab(23.73, 44.28, -62.98)
CIE-LCH	lch(23.73, 76.99, 305.11°)
OKLab	oklab(36.21% 0.0264 -0.1819)
OKLCH	oklch(36.21% 0.184 278.3)
XYZ	xyz(7.6140, 4.0184, 30.9400)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31209A #899A20

analogous

#204C9A #31209A #6E209A

triadic

#31209A #9A3120 #209A31

tetradic

#31209A #9A204C #899A20 #209A6E

square

#31209A #9A204C #899A20 #209A6E

split-complementary

#31209A #9A6E20 #4C9A20

monochromatic

#110B35 #211567 #31209A #412BCD #6B58DC

Accessibility & contrast

On white

11.64

#31209A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#31209A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31209A

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31209A	#FFFFFF	#000000	##FFFFFF
##31209A	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9D

Deuteranopia (green-blind)

#003398

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #31209a;
/* rgb */ color: rgb(49, 32, 154);
/* oklch */ color: oklch(36.2% 0.184 278.3);

Tailwind

colors: {
  custom: {
    50: '#795fb9',
    500: '#31209a',
    950: '#000000',
  },
}

SCSS

$custom: #31209a;
$custom-light: #795fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#31209a",
  "rgb": {
    "r": 49,
    "g": 32,
    "b": 154
  },
  "hsl": {
    "h": 248.361,
    "s": 65.591,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36212,
    "c": 0.18384,
    "h": 278.3
  },
  "luminance": 0.04019
}

Semantic roles & 50–950 ramp

primary

#31209A

secondary

#B1C056

accent

#E93FD1

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #31209A

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

Preview Lab → · Contrast checker → · Palette generator →