#31419D#31419D

#31419D is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.9% C 0.150 H 271.0°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#31419D
RGB	rgb(49, 65, 157)
HSL	hsl(231, 52%, 40%)
HSV	hsv(231, 69%, 62%)
CMYK	cmyk(68.8%, 58.6%, 0%, 38.4%)
CIE-LAB	lab(31.50, 25.16, -52.08)
CIE-LCH	lch(31.50, 57.83, 295.79°)
OKLab	oklab(41.92% 0.0026 -0.15)
OKLCH	oklch(41.92% 0.15 271)
XYZ	xyz(9.2407, 6.8670, 32.7302)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31419D #9D8D31

analogous

#31779D #31419D #57319D

triadic

#31419D #9D3141 #419D31

tetradic

#31419D #9D3177 #9D8D31 #319D57

square

#31419D #9D3177 #9D8D31 #319D57

split-complementary

#31419D #9D5731 #779D31

monochromatic

#141A40 #222E6E #31419D #4659C5 #7583D4

Accessibility & contrast

On white

8.85

#31419D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#31419D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31419D

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31419D	#FFFFFF	#000000	##FFFFFF
##31419D	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA0

Deuteranopia (green-blind)

#00459B

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #31419d;
/* rgb */ color: rgb(49, 65, 157);
/* oklch */ color: oklch(41.9% 0.150 271.0);

Tailwind

colors: {
  custom: {
    50: '#7775bb',
    500: '#31419d',
    950: '#000000',
  },
}

SCSS

$custom: #31419d;
$custom-light: #7775bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31419d",
  "rgb": {
    "r": 49,
    "g": 65,
    "b": 157
  },
  "hsl": {
    "h": 231.111,
    "s": 52.427,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41923,
    "c": 0.15,
    "h": 271
  },
  "luminance": 0.06868
}

Semantic roles & 50–950 ramp

primary

#31419D

secondary

#BCB06E

accent

#C74CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #31419D

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

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