#313C92#313C92

#313C92 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.141 H 272.8°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#313C92
RGB	rgb(49, 60, 146)
HSL	hsl(233, 50%, 38%)
HSV	hsv(233, 66%, 57%)
CMYK	cmyk(66.4%, 58.9%, 0%, 42.7%)
CIE-LAB	lab(29.31, 24.45, -48.93)
CIE-LCH	lch(29.31, 54.70, 296.55°)
OKLab	oklab(40.02% 0.0068 -0.1408)
OKLCH	oklch(40.02% 0.141 272.8)
XYZ	xyz(8.0691, 5.9593, 27.9136)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313C92 #928731

analogous

#316C92 #313C92 #563192

triadic

#313C92 #92313C #3C9231

tetradic

#313C92 #92316C #928731 #319256

square

#313C92 #92316C #928731 #319256

split-complementary

#313C92 #925631 #6C9231

monochromatic

#121636 #222964 #313C92 #414FBF #6F7ACF

Accessibility & contrast

On white

9.58

#313C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#313C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313C92

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313C92	#FFFFFF	#000000	##FFFFFF
##313C92	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A95

Deuteranopia (green-blind)

#004190

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #313c92;
/* rgb */ color: rgb(49, 60, 146);
/* oklch */ color: oklch(40.0% 0.141 272.8);

Tailwind

colors: {
  custom: {
    50: '#7571b3',
    500: '#313c92',
    950: '#000000',
  },
}

SCSS

$custom: #313c92;
$custom-light: #7571b3;
$custom-dark: #000000;

JSON

{
  "hex": "#313c92",
  "rgb": {
    "r": 49,
    "g": 60,
    "b": 146
  },
  "hsl": {
    "h": 233.196,
    "s": 49.744,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40017,
    "c": 0.14097,
    "h": 272.8
  },
  "luminance": 0.0596
}

Semantic roles & 50–950 ramp

primary

#313C92

secondary

#B6AD69

accent

#CA4FD9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #313C92

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

Preview Lab → · Contrast checker → · Palette generator →