#313888#313888

#313888 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.132 H 274.6°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#313888
RGB	rgb(49, 56, 136)
HSL	hsl(235, 47%, 36%)
HSV	hsv(235, 64%, 53%)
CMYK	cmyk(64%, 58.8%, 0%, 46.7%)
CIE-LAB	lab(27.46, 23.49, -45.76)
CIE-LCH	lch(27.46, 51.44, 297.17°)
OKLab	oklab(38.39% 0.0105 -0.1315)
OKLCH	oklch(38.39% 0.132 274.6)
XYZ	xyz(7.1233, 5.2583, 23.9274)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313888 #888131

analogous

#316488 #313888 #563188

triadic

#313888 #883138 #388831

tetradic

#313888 #883164 #888131 #318856

square

#313888 #883164 #888131 #318856

split-complementary

#313888 #885631 #648831

monochromatic

#11132E #21255B #313888 #414BB5 #6A72C9

Accessibility & contrast

On white

10.23

#313888 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#313888 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313888

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313888	#FFFFFF	#000000	##FFFFFF
##313888	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458B

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #313888;
/* rgb */ color: rgb(49, 56, 136);
/* oklch */ color: oklch(38.4% 0.132 274.6);

Tailwind

colors: {
  custom: {
    50: '#736eab',
    500: '#313888',
    950: '#000000',
  },
}

SCSS

$custom: #313888;
$custom-light: #736eab;
$custom-dark: #000000;

JSON

{
  "hex": "#313888",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 136
  },
  "hsl": {
    "h": 235.172,
    "s": 47.027,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38391,
    "c": 0.13194,
    "h": 274.6
  },
  "luminance": 0.05259
}

Semantic roles & 50–950 ramp

primary

#313888

secondary

#B1AB64

accent

#CC51D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #313888

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

Preview Lab → · Contrast checker → · Palette generator →