#313A74#313A74

#313A74 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.3% C 0.099 H 274.0°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#313A74
RGB	rgb(49, 58, 116)
HSL	hsl(232, 41%, 32%)
HSV	hsv(232, 58%, 45%)
CMYK	cmyk(57.8%, 50%, 0%, 54.5%)
CIE-LAB	lab(26.56, 14.86, -34.65)
CIE-LCH	lch(26.56, 37.70, 293.22°)
OKLab	oklab(37.25% 0.0069 -0.0988)
OKLCH	oklch(37.25% 0.099 274)
XYZ	xyz(5.9310, 4.9396, 17.1605)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313A74 #746B31

analogous

#315C74 #313A74 #493174

triadic

#313A74 #74313A #3A7431

tetradic

#313A74 #74315C #746B31 #317449

square

#313A74 #74315C #746B31 #317449

split-complementary

#313A74 #744931 #5C7431

monochromatic

#0D0F1E #1F2449 #313A74 #43509F #636FBD

Accessibility & contrast

On white

10.56

#313A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#313A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313A74

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313A74	#FFFFFF	#000000	##FFFFFF
##313A74	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4276

Deuteranopia (green-blind)

#163C73

Tritanopia (blue-blind)

#0D4751

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313a74;
/* rgb */ color: rgb(49, 58, 116);
/* oklch */ color: oklch(37.3% 0.099 274.0);

Tailwind

colors: {
  custom: {
    50: '#6f6f9c',
    500: '#313a74',
    950: '#000000',
  },
}

SCSS

$custom: #313a74;
$custom-light: #6f6f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#313a74",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 116
  },
  "hsl": {
    "h": 231.94,
    "s": 40.606,
    "l": 32.353
  },
  "oklch": {
    "l": 0.37254,
    "c": 0.09905,
    "h": 274
  },
  "luminance": 0.0494
}

Semantic roles & 50–950 ramp

primary

#313A74

secondary

#A49B5C

accent

#C057D0

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #313A74

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

Preview Lab → · Contrast checker → · Palette generator →