#31258B#31258B

#31258B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.3% C 0.160 H 279.7°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#31258B
RGB	rgb(49, 37, 139)
HSL	hsl(247, 58%, 35%)
HSV	hsv(247, 73%, 55%)
CMYK	cmyk(64.7%, 73.4%, 0%, 45.5%)
CIE-LAB	lab(23.13, 36.69, -54.69)
CIE-LCH	lch(23.13, 65.86, 303.86°)
OKLab	oklab(35.32% 0.0268 -0.1578)
OKLCH	oklch(35.32% 0.16 279.7)
XYZ	xyz(6.5869, 3.8397, 24.8151)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31258B #7F8B25

analogous

#254C8B #31258B #64258B

triadic

#31258B #8B3125 #258B31

tetradic

#31258B #8B254C #7F8B25 #258B64

square

#31258B #8B254C #7F8B25 #258B64

split-complementary

#31258B #8B6425 #4C8B25

monochromatic

#0F0B2A #20185B #31258B #4232BB #6658D3

Accessibility & contrast

On white

11.88

#31258B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#31258B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31258B

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31258B	#FFFFFF	#000000	##FFFFFF
##31258B	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #31258b;
/* rgb */ color: rgb(49, 37, 139);
/* oklch */ color: oklch(35.3% 0.160 279.7);

Tailwind

colors: {
  custom: {
    50: '#7561ae',
    500: '#31258b',
    950: '#000000',
  },
}

SCSS

$custom: #31258b;
$custom-light: #7561ae;
$custom-dark: #000000;

JSON

{
  "hex": "#31258b",
  "rgb": {
    "r": 49,
    "g": 37,
    "b": 139
  },
  "hsl": {
    "h": 247.059,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.3532,
    "c": 0.16005,
    "h": 279.7
  },
  "luminance": 0.0384
}

Semantic roles & 50–950 ramp

primary

#31258B

secondary

#ABB755

accent

#E147CF

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #31258B

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

Preview Lab → · Contrast checker → · Palette generator →