#313377#313377

#313377 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.0% C 0.114 H 277.8°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#313377
RGB	rgb(49, 51, 119)
HSL	hsl(238, 42%, 33%)
HSV	hsv(238, 59%, 47%)
CMYK	cmyk(58.8%, 57.1%, 0%, 53.3%)
CIE-LAB	lab(24.80, 20.74, -39.38)
CIE-LCH	lch(24.80, 44.51, 297.77°)
OKLab	oklab(36% 0.0154 -0.1128)
OKLCH	oklch(36% 0.114 277.8)
XYZ	xyz(5.7792, 4.3521, 17.9847)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313377 #777531

analogous

#315677 #313377 #523177

triadic

#313377 #773133 #337731

tetradic

#313377 #773156 #777531 #317752

square

#313377 #773156 #777531 #317752

split-complementary

#313377 #775231 #567731

monochromatic

#0D0E20 #1F204C #313377 #4346A2 #6366BF

Accessibility & contrast

On white

11.23

#313377 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#313377 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313377

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313377	#FFFFFF	#000000	##FFFFFF
##313377	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063E79

Deuteranopia (green-blind)

#003876

Tritanopia (blue-blind)

#0A434F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #313377;
/* rgb */ color: rgb(49, 51, 119);
/* oklch */ color: oklch(36.0% 0.114 277.8);

Tailwind

colors: {
  custom: {
    50: '#706a9f',
    500: '#313377',
    950: '#000000',
  },
}

SCSS

$custom: #313377;
$custom-light: #706a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#313377",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 119
  },
  "hsl": {
    "h": 238.286,
    "s": 41.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35999,
    "c": 0.11385,
    "h": 277.8
  },
  "luminance": 0.04353
}

Semantic roles & 50–950 ramp

primary

#313377

secondary

#A6A45D

accent

#CE56D1

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #313377

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

Preview Lab → · Contrast checker → · Palette generator →