#312288#312288

#312288 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.6% C 0.160 H 280.7°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#312288
RGB	rgb(49, 34, 136)
HSL	hsl(249, 60%, 33%)
HSV	hsv(249, 75%, 53%)
CMYK	cmyk(64%, 75%, 0%, 46.7%)
CIE-LAB	lab(22.21, 37.45, -54.34)
CIE-LCH	lch(22.21, 65.99, 304.57°)
OKLab	oklab(34.57% 0.0297 -0.1567)
OKLCH	oklch(34.57% 0.16 280.7)
XYZ	xyz(6.2812, 3.5741, 23.6467)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312288 #798822

analogous

#224688 #312288 #642288

triadic

#312288 #883122 #228831

tetradic

#312288 #882246 #798822 #228864

square

#312288 #882246 #798822 #228864

split-complementary

#312288 #886422 #468822

monochromatic

#0E0A26 #1F1657 #312288 #432EB9 #6451D3

Accessibility & contrast

On white

12.24

#312288 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#312288 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312288

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312288	#FFFFFF	#000000	##FFFFFF
##312288	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398B

Deuteranopia (green-blind)

#003186

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #312288;
/* rgb */ color: rgb(49, 34, 136);
/* oklch */ color: oklch(34.6% 0.160 280.7);

Tailwind

colors: {
  custom: {
    50: '#755fac',
    500: '#312288',
    950: '#000000',
  },
}

SCSS

$custom: #312288;
$custom-light: #755fac;
$custom-dark: #000000;

JSON

{
  "hex": "#312288",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 136
  },
  "hsl": {
    "h": 248.824,
    "s": 60,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34573,
    "c": 0.15953,
    "h": 280.7
  },
  "luminance": 0.03575
}

Semantic roles & 50–950 ramp

primary

#312288

secondary

#A8B74F

accent

#E345CC

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #312288

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

Preview Lab → · Contrast checker → · Palette generator →