#31498F#31498F

#31498F is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.5% C 0.119 H 267.0°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#31498F
RGB	rgb(49, 73, 143)
HSL	hsl(225, 49%, 38%)
HSV	hsv(225, 66%, 56%)
CMYK	cmyk(65.7%, 49%, 0%, 43.9%)
CIE-LAB	lab(32.70, 14.60, -41.61)
CIE-LCH	lch(32.70, 44.10, 289.33°)
OKLab	oklab(42.51% -0.0062 -0.1191)
OKLCH	oklch(42.51% 0.119 267)
XYZ	xyz(8.6054, 7.4004, 26.9562)
Luminance	0.0740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31498F #8F7731

analogous

#31788F #31498F #48318F

triadic

#31498F #8F3149 #498F31

tetradic

#31498F #8F3178 #8F7731 #318F48

square

#31498F #8F3178 #8F7731 #318F48

split-complementary

#31498F #8F4831 #788F31

monochromatic

#121A34 #213261 #31498F #4160BD #6D86CD

Accessibility & contrast

On white

8.47

#31498F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#31498F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31498F

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31498F	#FFFFFF	#000000	##FFFFFF
##31498F	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255192

Deuteranopia (green-blind)

#12498E

Tritanopia (blue-blind)

#005965

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #31498f;
/* rgb */ color: rgb(49, 73, 143);
/* oklch */ color: oklch(42.5% 0.119 267.0);

Tailwind

colors: {
  custom: {
    50: '#737bb0',
    500: '#31498f',
    950: '#000000',
  },
}

SCSS

$custom: #31498f;
$custom-light: #737bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#31498f",
  "rgb": {
    "r": 49,
    "g": 73,
    "b": 143
  },
  "hsl": {
    "h": 224.681,
    "s": 48.958,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42506,
    "c": 0.11925,
    "h": 267
  },
  "luminance": 0.07401
}

Semantic roles & 50–950 ramp

primary

#31498F

secondary

#B5A167

accent

#B54FD9

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #31498F

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

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