#313489#313489

#313489 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.139 H 275.9°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#313489
RGB	rgb(49, 52, 137)
HSL	hsl(238, 47%, 36%)
HSV	hsv(238, 64%, 54%)
CMYK	cmyk(64.2%, 62%, 0%, 46.3%)
CIE-LAB	lab(26.49, 26.52, -47.96)
CIE-LCH	lch(26.49, 54.80, 298.94°)
OKLab	oklab(37.7% 0.0144 -0.138)
OKLCH	oklch(37.7% 0.139 275.9)
XYZ	xyz(7.0085, 4.9145, 24.2413)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313489 #898631

analogous

#316089 #313489 #5A3189

triadic

#313489 #893134 #348931

tetradic

#313489 #893160 #898631 #31895A

square

#313489 #893160 #898631 #31895A

split-complementary

#313489 #895A31 #608931

monochromatic

#11122F #21235C #313489 #4145B6 #6B6ECA

Accessibility & contrast

On white

10.59

#313489 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#313489 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313489

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313489	#FFFFFF	#000000	##FFFFFF
##313489	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438C

Deuteranopia (green-blind)

#003B87

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313489;
/* rgb */ color: rgb(49, 52, 137);
/* oklch */ color: oklch(37.7% 0.139 275.9);

Tailwind

colors: {
  custom: {
    50: '#736bac',
    500: '#313489',
    950: '#000000',
  },
}

SCSS

$custom: #313489;
$custom-light: #736bac;
$custom-dark: #000000;

JSON

{
  "hex": "#313489",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 137
  },
  "hsl": {
    "h": 237.955,
    "s": 47.312,
    "l": 36.471
  },
  "oklch": {
    "l": 0.37699,
    "c": 0.13876,
    "h": 275.9
  },
  "luminance": 0.04915
}

Semantic roles & 50–950 ramp

primary

#313489

secondary

#B1AF64

accent

#D251D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313489

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

Preview Lab → · Contrast checker → · Palette generator →