#31248B#31248B

#31248B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.2% C 0.161 H 279.8°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#31248B
RGB	rgb(49, 36, 139)
HSL	hsl(248, 59%, 34%)
HSV	hsv(248, 74%, 55%)
CMYK	cmyk(64.7%, 74.1%, 0%, 45.5%)
CIE-LAB	lab(22.92, 37.28, -55.04)
CIE-LCH	lch(22.92, 66.47, 304.11°)
OKLab	oklab(35.17% 0.0276 -0.1588)
OKLCH	oklch(35.17% 0.161 279.8)
XYZ	xyz(6.5562, 3.7783, 24.8049)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31248B #7E8B24

analogous

#244B8B #31248B #65248B

triadic

#31248B #8B3124 #248B31

tetradic

#31248B #8B244B #7E8B24 #248B65

square

#31248B #8B244B #7E8B24 #248B65

split-complementary

#31248B #8B6524 #4B8B24

monochromatic

#0F0B2A #20175A #31248B #4231BC #6656D3

Accessibility & contrast

On white

11.96

#31248B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#31248B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31248B

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31248B	#FFFFFF	#000000	##FFFFFF
##31248B	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #31248b;
/* rgb */ color: rgb(49, 36, 139);
/* oklch */ color: oklch(35.2% 0.161 279.8);

Tailwind

colors: {
  custom: {
    50: '#7560ae',
    500: '#31248b',
    950: '#000000',
  },
}

SCSS

$custom: #31248b;
$custom-light: #7560ae;
$custom-dark: #000000;

JSON

{
  "hex": "#31248b",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 139
  },
  "hsl": {
    "h": 247.573,
    "s": 58.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35171,
    "c": 0.16117,
    "h": 279.8
  },
  "luminance": 0.03779
}

Semantic roles & 50–950 ramp

primary

#31248B

secondary

#ABB753

accent

#E246CE

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #31248B

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

Preview Lab → · Contrast checker → · Palette generator →