#31247C#31247C

#31247C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.141 H 282.4°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#31247C
RGB	rgb(49, 36, 124)
HSL	hsl(249, 55%, 31%)
HSV	hsv(249, 71%, 49%)
CMYK	cmyk(60.5%, 71%, 0%, 51.4%)
CIE-LAB	lab(21.47, 32.30, -47.99)
CIE-LCH	lch(21.47, 57.85, 303.95°)
OKLab	oklab(33.68% 0.0304 -0.1382)
OKLCH	oklch(33.68% 0.141 282.4)
XYZ	xyz(5.5345, 3.3696, 19.4236)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31247C #6F7C24

analogous

#24437C #31247C #5D247C

triadic

#31247C #7C3124 #247C31

tetradic

#31247C #7C2443 #6F7C24 #247C5D

square

#31247C #7C2443 #6F7C24 #247C5D

split-complementary

#31247C #7C5D24 #437C24

monochromatic

#0C081D #1E164D #31247C #4432AB #614FCC

Accessibility & contrast

On white

12.54

#31247C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#31247C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31247C

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31247C	#FFFFFF	#000000	##FFFFFF
##31247C	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#043B4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #31247c;
/* rgb */ color: rgb(49, 36, 124);
/* oklch */ color: oklch(33.7% 0.141 282.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#31247c",
  "rgb": {
    "r": 49,
    "g": 36,
    "b": 124
  },
  "hsl": {
    "h": 248.864,
    "s": 55,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33685,
    "c": 0.14147,
    "h": 282.4
  },
  "luminance": 0.0337
}

Semantic roles & 50–950 ramp

primary

#31247C

secondary

#A0AE4D

accent

#DE49C8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09050F

muted

#7B797F

Preview Lab

Preview with #31247C

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

Preview Lab → · Contrast checker → · Palette generator →