#313199#313199

#313199 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.6% C 0.165 H 275.5°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#313199
RGB	rgb(49, 49, 153)
HSL	hsl(240, 51%, 40%)
HSV	hsv(240, 68%, 60%)
CMYK	cmyk(68%, 68%, 0%, 40%)
CIE-LAB	lab(27.15, 34.14, -56.74)
CIE-LCH	lch(27.15, 66.22, 301.03°)
OKLab	oklab(38.62% 0.0157 -0.1638)
OKLCH	oklch(38.62% 0.165 275.5)
XYZ	xyz(8.1128, 5.1488, 30.6971)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313199 #999931

analogous

#316599 #313199 #653199

triadic

#313199 #993131 #319931

tetradic

#313199 #993165 #999931 #319965

square

#313199 #993165 #999931 #319965

split-complementary

#313199 #996531 #659931

monochromatic

#13133C #22226B #313199 #4444C3 #7272D2

Accessibility & contrast

On white

10.34

#313199 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#313199 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313199

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313199	#FFFFFF	#000000	##FFFFFF
##313199	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003B97

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #313199;
/* rgb */ color: rgb(49, 49, 153);
/* oklch */ color: oklch(38.6% 0.165 275.5);

Tailwind

colors: {
  custom: {
    50: '#776ab8',
    500: '#313199',
    950: '#000000',
  },
}

SCSS

$custom: #313199;
$custom-light: #776ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#313199",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 153
  },
  "hsl": {
    "h": 240,
    "s": 51.485,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38619,
    "c": 0.16454,
    "h": 275.5
  },
  "luminance": 0.0515
}

Semantic roles & 50–950 ramp

primary

#313199

secondary

#BABA6C

accent

#DB4DDB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #313199

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

Preview Lab → · Contrast checker → · Palette generator →