#313197#313197

#313197 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.4% C 0.162 H 275.6°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#313197
RGB	rgb(49, 49, 151)
HSL	hsl(240, 51%, 39%)
HSV	hsv(240, 68%, 59%)
CMYK	cmyk(67.5%, 67.5%, 0%, 40.8%)
CIE-LAB	lab(26.97, 33.44, -55.81)
CIE-LCH	lch(26.97, 65.06, 300.92°)
OKLab	oklab(38.43% 0.0159 -0.1611)
OKLCH	oklch(38.43% 0.162 275.6)
XYZ	xyz(7.9490, 5.0833, 29.8344)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313197 #979731

analogous

#316497 #313197 #643197

triadic

#313197 #973131 #319731

tetradic

#313197 #973164 #979731 #319764

square

#313197 #973164 #979731 #319764

split-complementary

#313197 #976431 #649731

monochromatic

#13133B #222269 #313197 #4343C2 #7171D1

Accessibility & contrast

On white

10.41

#313197 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#313197 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313197

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313197	#FFFFFF	#000000	##FFFFFF
##313197	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449A

Deuteranopia (green-blind)

#003B95

Tritanopia (blue-blind)

#004C5F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #313197;
/* rgb */ color: rgb(49, 49, 151);
/* oklch */ color: oklch(38.4% 0.162 275.6);

Tailwind

colors: {
  custom: {
    50: '#7769b7',
    500: '#313197',
    950: '#000000',
  },
}

SCSS

$custom: #313197;
$custom-light: #7769b7;
$custom-dark: #000000;

JSON

{
  "hex": "#313197",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 151
  },
  "hsl": {
    "h": 240,
    "s": 51,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38429,
    "c": 0.16186,
    "h": 275.6
  },
  "luminance": 0.05084
}

Semantic roles & 50–950 ramp

primary

#313197

secondary

#B9B96B

accent

#DA4DDA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #313197

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

Preview Lab → · Contrast checker → · Palette generator →