#313180#313180

#313180 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.130 H 277.8°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#313180
RGB	rgb(49, 49, 128)
HSL	hsl(240, 45%, 35%)
HSV	hsv(240, 62%, 50%)
CMYK	cmyk(61.7%, 61.7%, 0%, 49.8%)
CIE-LAB	lab(24.98, 25.30, -44.79)
CIE-LCH	lch(24.98, 51.45, 299.46°)
OKLab	oklab(36.35% 0.0176 -0.1287)
OKLCH	oklch(36.35% 0.13 277.8)
XYZ	xyz(6.2600, 4.4076, 20.9388)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313180 #808031

analogous

#315980 #313180 #593180

triadic

#313180 #803131 #318031

tetradic

#313180 #803159 #808031 #318059

square

#313180 #803159 #808031 #318059

split-complementary

#313180 #805931 #598031

monochromatic

#0F0F27 #202054 #313180 #4242AC #6767C5

Accessibility & contrast

On white

11.16

#313180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#313180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313180

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313180	#FFFFFF	#000000	##FFFFFF
##313180	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F83

Deuteranopia (green-blind)

#00387E

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #313180;
/* rgb */ color: rgb(49, 49, 128);
/* oklch */ color: oklch(36.4% 0.130 277.8);

Tailwind

colors: {
  custom: {
    50: '#7269a5',
    500: '#313180',
    950: '#000000',
  },
}

SCSS

$custom: #313180;
$custom-light: #7269a5;
$custom-dark: #000000;

JSON

{
  "hex": "#313180",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 128
  },
  "hsl": {
    "h": 240,
    "s": 44.633,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3635,
    "c": 0.12992,
    "h": 277.8
  },
  "luminance": 0.04408
}

Semantic roles & 50–950 ramp

primary

#313180

secondary

#ACAC61

accent

#D453D4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #313180

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

Preview Lab → · Contrast checker → · Palette generator →