#313981#313981

#313981 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.120 H 274.4°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#313981
RGB	rgb(49, 57, 129)
HSL	hsl(234, 45%, 35%)
HSV	hsv(234, 62%, 51%)
CMYK	cmyk(62%, 55.8%, 0%, 49.4%)
CIE-LAB	lab(27.20, 20.26, -41.82)
CIE-LCH	lch(27.20, 46.47, 295.85°)
OKLab	oklab(38.03% 0.0092 -0.1199)
OKLCH	oklch(38.03% 0.12 274.4)
XYZ	xyz(6.6909, 5.1637, 21.4087)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313981 #817931

analogous

#316181 #313981 #513181

triadic

#313981 #813139 #398131

tetradic

#313981 #813161 #817931 #318151

square

#313981 #813161 #817931 #318151

split-complementary

#313981 #815131 #618131

monochromatic

#0F1228 #202555 #313981 #424DAD #6771C5

Accessibility & contrast

On white

10.33

#313981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#313981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313981

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313981	#FFFFFF	#000000	##FFFFFF
##313981	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094484

Deuteranopia (green-blind)

#003D80

Tritanopia (blue-blind)

#004A57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #313981;
/* rgb */ color: rgb(49, 57, 129);
/* oklch */ color: oklch(38.0% 0.120 274.4);

Tailwind

colors: {
  custom: {
    50: '#716fa6',
    500: '#313981',
    950: '#000000',
  },
}

SCSS

$custom: #313981;
$custom-light: #716fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#313981",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 129
  },
  "hsl": {
    "h": 234,
    "s": 44.944,
    "l": 34.902
  },
  "oklch": {
    "l": 0.38026,
    "c": 0.12027,
    "h": 274.4
  },
  "luminance": 0.05164
}

Semantic roles & 50–950 ramp

primary

#313981

secondary

#ADA561

accent

#C853D5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #313981

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

Preview Lab → · Contrast checker → · Palette generator →