#31247E#31247E

#31247E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.9% C 0.144 H 282.0°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#31247E
RGB	rgb(49, 36, 126)
HSL	hsl(249, 56%, 32%)
HSV	hsv(249, 71%, 49%)
CMYK	cmyk(61.1%, 71.4%, 0%, 50.6%)
CIE-LAB	lab(21.66, 32.97, -48.95)
CIE-LCH	lch(21.66, 59.02, 303.96°)
OKLab	oklab(33.88% 0.0301 -0.141)
OKLCH	oklch(33.88% 0.144 282)
XYZ	xyz(5.6622, 3.4207, 20.0965)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31247E #717E24

analogous

#24447E #31247E #5E247E

triadic

#31247E #7E3124 #247E31

tetradic

#31247E #7E2444 #717E24 #247E5E

square

#31247E #7E2444 #717E24 #247E5E

split-complementary

#31247E #7E5E24 #447E24

monochromatic

#0C091F #1E164E #31247E #4432AE #6250CD

Accessibility & contrast

On white

12.47

#31247E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#31247E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31247E

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31247E	#FFFFFF	#000000	##FFFFFF
##31247E	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003781

Deuteranopia (green-blind)

#00317C

Tritanopia (blue-blind)

#003C4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #31247e;
/* rgb */ color: rgb(49, 36, 126);
/* oklch */ color: oklch(33.9% 0.144 282.0);

Tailwind

colors: {
  custom: {
    50: '#7360a4',
    500: '#31247e',
    950: '#000000',
  },
}

SCSS

$custom: #31247e;
$custom-light: #7360a4;
$custom-dark: #000000;

JSON

{
  "hex": "#31247e",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 126
  },
  "hsl": {
    "h": 248.667,
    "s": 55.556,
    "l": 31.765
  },
  "oklch": {
    "l": 0.33878,
    "c": 0.14415,
    "h": 282
  },
  "luminance": 0.03421
}

Semantic roles & 50–950 ramp

primary

#31247E

secondary

#A2B04E

accent

#DF49C9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09050F

muted

#7B797F

Preview Lab

Preview with #31247E

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

Preview Lab → · Contrast checker → · Palette generator →