#31238E#31238E

#31238E is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.3% C 0.166 H 279.6°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#31238E
RGB	rgb(49, 35, 142)
HSL	hsl(248, 60%, 35%)
HSV	hsv(248, 75%, 56%)
CMYK	cmyk(65.5%, 75.4%, 0%, 44.3%)
CIE-LAB	lab(23.02, 38.83, -56.74)
CIE-LCH	lch(23.02, 68.76, 304.39°)
OKLab	oklab(35.33% 0.0276 -0.1638)
OKLCH	oklch(35.33% 0.166 279.6)
XYZ	xyz(6.7486, 3.8075, 25.9652)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31238E #808E23

analogous

#234B8E #31238E #66238E

triadic

#31238E #8E3123 #238E31

tetradic

#31238E #8E234B #808E23 #238E66

square

#31238E #8E234B #808E23 #238E66

split-complementary

#31238E #8E6623 #4B8E23

monochromatic

#0F0B2C #20175D #31238E #422FBF #6756D5

Accessibility & contrast

On white

11.92

#31238E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#31238E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31238E

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31238E	#FFFFFF	#000000	##FFFFFF
##31238E	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B91

Deuteranopia (green-blind)

#00338C

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #31238e;
/* rgb */ color: rgb(49, 35, 142);
/* oklch */ color: oklch(35.3% 0.166 279.6);

Tailwind

colors: {
  custom: {
    50: '#7660b0',
    500: '#31238e',
    950: '#000000',
  },
}

SCSS

$custom: #31238e;
$custom-light: #7660b0;
$custom-dark: #000000;

JSON

{
  "hex": "#31238e",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 142
  },
  "hsl": {
    "h": 247.85,
    "s": 60.452,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35334,
    "c": 0.16608,
    "h": 279.6
  },
  "luminance": 0.03808
}

Semantic roles & 50–950 ramp

primary

#31238E

secondary

#ACB953

accent

#E444CF

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #31238E

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

Preview Lab → · Contrast checker → · Palette generator →