#31249A#31249A

#31249A is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.7% C 0.180 H 277.7°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#31249A
RGB	rgb(49, 36, 154)
HSL	hsl(247, 62%, 37%)
HSV	hsv(247, 77%, 60%)
CMYK	cmyk(68.2%, 76.6%, 0%, 39.6%)
CIE-LAB	lab(24.47, 42.16, -61.76)
CIE-LCH	lch(24.47, 74.78, 304.32°)
OKLab	oklab(36.73% 0.0242 -0.1784)
OKLCH	oklch(36.73% 0.18 277.7)
XYZ	xyz(7.7283, 4.2471, 30.9781)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31249A #8D9A24

analogous

#24529A #31249A #6C249A

triadic

#31249A #9A3124 #249A31

tetradic

#31249A #9A2452 #8D9A24 #249A6C

square

#31249A #9A2452 #8D9A24 #249A6C

split-complementary

#31249A #9A6C24 #529A24

monochromatic

#110D37 #211868 #31249A #4130CC #6C5FDA

Accessibility & contrast

On white

11.35

#31249A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#31249A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31249A

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31249A	#FFFFFF	#000000	##FFFFFF
##31249A	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9D

Deuteranopia (green-blind)

#003598

Tritanopia (blue-blind)

#00465D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #31249a;
/* rgb */ color: rgb(49, 36, 154);
/* oklch */ color: oklch(36.7% 0.180 277.7);

Tailwind

colors: {
  custom: {
    50: '#7961b9',
    500: '#31249a',
    950: '#000000',
  },
}

SCSS

$custom: #31249a;
$custom-light: #7961b9;
$custom-dark: #000000;

JSON

{
  "hex": "#31249a",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 154
  },
  "hsl": {
    "h": 246.61,
    "s": 62.105,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36731,
    "c": 0.18005,
    "h": 277.7
  },
  "luminance": 0.04248
}

Semantic roles & 50–950 ramp

primary

#31249A

secondary

#B4BF5B

accent

#E543D3

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #31249A

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

Preview Lab → · Contrast checker → · Palette generator →