#312281#312281

#312281 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.9% C 0.150 H 282.0°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#312281
RGB	rgb(49, 34, 129)
HSL	hsl(249, 58%, 32%)
HSV	hsv(249, 74%, 51%)
CMYK	cmyk(62%, 73.6%, 0%, 49.4%)
CIE-LAB	lab(21.51, 35.16, -51.08)
CIE-LCH	lch(21.51, 62.01, 304.54°)
OKLab	oklab(33.86% 0.0312 -0.1472)
OKLCH	oklch(33.86% 0.15 282)
XYZ	xyz(5.7999, 3.3816, 21.1117)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312281 #728122

analogous

#224381 #312281 #612281

triadic

#312281 #813122 #228131

tetradic

#312281 #812243 #728122 #228161

square

#312281 #812243 #728122 #228161

split-complementary

#312281 #816122 #438122

monochromatic

#0C0820 #1F1551 #312281 #432FB1 #624DD0

Accessibility & contrast

On white

12.53

#312281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#312281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312281

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312281	#FFFFFF	#000000	##FFFFFF
##312281	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003784

Deuteranopia (green-blind)

#00307F

Tritanopia (blue-blind)

#003C4F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #312281;
/* rgb */ color: rgb(49, 34, 129);
/* oklch */ color: oklch(33.9% 0.150 282.0);

Tailwind

colors: {
  custom: {
    50: '#735fa7',
    500: '#312281',
    950: '#000000',
  },
}

SCSS

$custom: #312281;
$custom-light: #735fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#312281",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 129
  },
  "hsl": {
    "h": 249.474,
    "s": 58.282,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33864,
    "c": 0.15049,
    "h": 282
  },
  "luminance": 0.03382
}

Semantic roles & 50–950 ramp

primary

#312281

secondary

#A3B34B

accent

#E146C9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #312281

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

Preview Lab → · Contrast checker → · Palette generator →