#313189#313189

#313189 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.143 H 276.9°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#313189
RGB	rgb(49, 49, 137)
HSL	hsl(240, 47%, 36%)
HSV	hsv(240, 64%, 54%)
CMYK	cmyk(64.2%, 64.2%, 0%, 46.3%)
CIE-LAB	lab(25.73, 28.50, -49.20)
CIE-LCH	lch(25.73, 56.86, 300.08°)
OKLab	oklab(37.14% 0.0171 -0.1417)
OKLCH	oklch(37.14% 0.143 276.9)
XYZ	xyz(6.8788, 4.6552, 24.1981)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313189 #898931

analogous

#315D89 #313189 #5D3189

triadic

#313189 #893131 #318931

tetradic

#313189 #89315D #898931 #31895D

square

#313189 #89315D #898931 #31895D

split-complementary

#313189 #895D31 #5D8931

monochromatic

#11112F #21215C #313189 #4141B6 #6B6BCA

Accessibility & contrast

On white

10.87

#313189 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#313189 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313189

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313189	#FFFFFF	#000000	##FFFFFF
##313189	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418C

Deuteranopia (green-blind)

#003987

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #313189;
/* rgb */ color: rgb(49, 49, 137);
/* oklch */ color: oklch(37.1% 0.143 276.9);

Tailwind

colors: {
  custom: {
    50: '#7469ac',
    500: '#313189',
    950: '#000000',
  },
}

SCSS

$custom: #313189;
$custom-light: #7469ac;
$custom-dark: #000000;

JSON

{
  "hex": "#313189",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 137
  },
  "hsl": {
    "h": 240,
    "s": 47.312,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37139,
    "c": 0.14271,
    "h": 276.9
  },
  "luminance": 0.04656
}

Semantic roles & 50–950 ramp

primary

#313189

secondary

#B1B164

accent

#D751D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313189

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

Preview Lab → · Contrast checker → · Palette generator →