#31377E#31377E

#31377E is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.4% C 0.119 H 275.4°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#31377E
RGB	rgb(49, 55, 126)
HSL	hsl(235, 44%, 34%)
HSV	hsv(235, 61%, 49%)
CMYK	cmyk(61.1%, 56.3%, 0%, 50.6%)
CIE-LAB	lab(26.42, 20.53, -41.19)
CIE-LCH	lch(26.42, 46.02, 296.50°)
OKLab	oklab(37.38% 0.0112 -0.1181)
OKLCH	oklch(37.38% 0.119 275.4)
XYZ	xyz(6.3975, 4.8912, 20.3416)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31377E #7E7831

analogous

#315E7E #31377E #52317E

triadic

#31377E #7E3137 #377E31

tetradic

#31377E #7E315E #7E7831 #317E52

square

#31377E #7E315E #7E7831 #317E52

split-complementary

#31377E #7E5231 #5E7E31

monochromatic

#0F1126 #202452 #31377E #424AAA #666DC3

Accessibility & contrast

On white

10.61

#31377E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#31377E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31377E

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31377E	#FFFFFF	#000000	##FFFFFF
##31377E	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074280

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #31377e;
/* rgb */ color: rgb(49, 55, 126);
/* oklch */ color: oklch(37.4% 0.119 275.4);

Tailwind

colors: {
  custom: {
    50: '#716da4',
    500: '#31377e',
    950: '#000000',
  },
}

SCSS

$custom: #31377e;
$custom-light: #716da4;
$custom-dark: #000000;

JSON

{
  "hex": "#31377e",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 126
  },
  "hsl": {
    "h": 235.325,
    "s": 44,
    "l": 34.314
  },
  "oklch": {
    "l": 0.37376,
    "c": 0.11861,
    "h": 275.4
  },
  "luminance": 0.04892
}

Semantic roles & 50–950 ramp

primary

#31377E

secondary

#ABA560

accent

#CA54D4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #31377E

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

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