#312187#312187

#312187 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.3% C 0.159 H 281.1°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#312187
RGB	rgb(49, 33, 135)
HSL	hsl(249, 61%, 33%)
HSV	hsv(249, 76%, 53%)
CMYK	cmyk(63.7%, 75.6%, 0%, 47.1%)
CIE-LAB	lab(21.91, 37.69, -54.21)
CIE-LCH	lch(21.91, 66.03, 304.81°)
OKLab	oklab(34.33% 0.0306 -0.1564)
OKLCH	oklch(34.33% 0.159 281.1)
XYZ	xyz(6.1823, 3.4895, 23.2647)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312187 #778721

analogous

#214487 #312187 #642187

triadic

#312187 #873121 #218731

tetradic

#312187 #872144 #778721 #218764

square

#312187 #872144 #778721 #218764

split-complementary

#312187 #876421 #448721

monochromatic

#0D0925 #1F1556 #312187 #432DB8 #634FD4

Accessibility & contrast

On white

12.37

#312187 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#312187 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312187

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312187	#FFFFFF	#000000	##FFFFFF
##312187	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388A

Deuteranopia (green-blind)

#003185

Tritanopia (blue-blind)

#003E52

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #312187;
/* rgb */ color: rgb(49, 33, 135);
/* oklch */ color: oklch(34.3% 0.159 281.1);

Tailwind

colors: {
  custom: {
    50: '#755eab',
    500: '#312187',
    950: '#000000',
  },
}

SCSS

$custom: #312187;
$custom-light: #755eab;
$custom-dark: #000000;

JSON

{
  "hex": "#312187",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 135
  },
  "hsl": {
    "h": 249.412,
    "s": 60.714,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34327,
    "c": 0.15933,
    "h": 281.1
  },
  "luminance": 0.0349
}

Semantic roles & 50–950 ramp

primary

#312187

secondary

#A6B74D

accent

#E444CB

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #312187

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

Preview Lab → · Contrast checker → · Palette generator →