#31247D#31247D

#31247D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.8% C 0.143 H 282.2°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#31247D
RGB	rgb(49, 36, 125)
HSL	hsl(249, 55%, 32%)
HSV	hsv(249, 71%, 49%)
CMYK	cmyk(60.8%, 71.2%, 0%, 51%)
CIE-LAB	lab(21.56, 32.64, -48.47)
CIE-LCH	lch(21.56, 58.43, 303.95°)
OKLab	oklab(33.78% 0.0303 -0.1396)
OKLCH	oklch(33.78% 0.143 282.2)
XYZ	xyz(5.5980, 3.3950, 19.7584)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31247D #707D24

analogous

#24447D #31247D #5E247D

triadic

#31247D #7D3124 #247D31

tetradic

#31247D #7D2444 #707D24 #247D5E

square

#31247D #7D2444 #707D24 #247D5E

split-complementary

#31247D #7D5E24 #447D24

monochromatic

#0C091E #1E164D #31247D #4432AD #614FCC

Accessibility & contrast

On white

12.51

#31247D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#31247D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31247D

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31247D	#FFFFFF	#000000	##FFFFFF
##31247D	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003780

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#023B4D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #31247d;
/* rgb */ color: rgb(49, 36, 125);
/* oklch */ color: oklch(33.8% 0.143 282.2);

Tailwind

colors: {
  custom: {
    50: '#7260a3',
    500: '#31247d',
    950: '#000000',
  },
}

SCSS

$custom: #31247d;
$custom-light: #7260a3;
$custom-dark: #000000;

JSON

{
  "hex": "#31247d",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 125
  },
  "hsl": {
    "h": 248.764,
    "s": 55.28,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33782,
    "c": 0.14281,
    "h": 282.2
  },
  "luminance": 0.03395
}

Semantic roles & 50–950 ramp

primary

#31247D

secondary

#A1AF4D

accent

#DF49C9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09050F

muted

#7B797F

Preview Lab

Preview with #31247D

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

Preview Lab → · Contrast checker → · Palette generator →