#313289#313289

#313289 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.3% C 0.141 H 276.6°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#313289
RGB	rgb(49, 50, 137)
HSL	hsl(239, 47%, 36%)
HSV	hsv(239, 64%, 54%)
CMYK	cmyk(64.2%, 63.5%, 0%, 46.3%)
CIE-LAB	lab(25.98, 27.84, -48.79)
CIE-LCH	lch(25.98, 56.17, 299.71°)
OKLab	oklab(37.32% 0.0162 -0.1405)
OKLCH	oklch(37.32% 0.141 276.6)
XYZ	xyz(6.9211, 4.7398, 24.2122)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313289 #898831

analogous

#315E89 #313289 #5C3189

triadic

#313289 #893132 #328931

tetradic

#313289 #89315E #898831 #31895C

square

#313289 #89315E #898831 #31895C

split-complementary

#313289 #895C31 #5E8931

monochromatic

#11112F #21225C #313289 #4142B6 #6B6CCA

Accessibility & contrast

On white

10.78

#313289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#313289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313289

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313289	#FFFFFF	#000000	##FFFFFF
##313289	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #313289;
/* rgb */ color: rgb(49, 50, 137);
/* oklch */ color: oklch(37.3% 0.141 276.6);

Tailwind

colors: {
  custom: {
    50: '#746aac',
    500: '#313289',
    950: '#000000',
  },
}

SCSS

$custom: #313289;
$custom-light: #746aac;
$custom-dark: #000000;

JSON

{
  "hex": "#313289",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 137
  },
  "hsl": {
    "h": 239.318,
    "s": 47.312,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37324,
    "c": 0.1414,
    "h": 276.6
  },
  "luminance": 0.0474
}

Semantic roles & 50–950 ramp

primary

#313289

secondary

#B1B064

accent

#D551D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313289

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

Preview Lab → · Contrast checker → · Palette generator →