#31407E#31407E

#31407E is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.3% C 0.106 H 270.6°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#31407E
RGB	rgb(49, 64, 126)
HSL	hsl(228, 44%, 34%)
HSV	hsv(228, 61%, 49%)
CMYK	cmyk(61.1%, 49.2%, 0%, 50.6%)
CIE-LAB	lab(28.97, 14.40, -37.09)
CIE-LCH	lch(28.97, 39.79, 291.21°)
OKLab	oklab(39.3% 0.0012 -0.1059)
OKLCH	oklch(39.3% 0.106 270.6)
XYZ	xyz(6.8647, 5.8256, 20.4973)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31407E #7E6F31

analogous

#31677E #31407E #49317E

triadic

#31407E #7E3140 #407E31

tetradic

#31407E #7E3167 #7E6F31 #317E49

square

#31407E #7E3167 #7E6F31 #317E49

split-complementary

#31407E #7E4931 #677E31

monochromatic

#0F1326 #202A52 #31407E #4256AA #6678C3

Accessibility & contrast

On white

9.70

#31407E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#31407E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31407E

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31407E	#FFFFFF	#000000	##FFFFFF
##31407E	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224880

Deuteranopia (green-blind)

#16417D

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #31407e;
/* rgb */ color: rgb(49, 64, 126);
/* oklch */ color: oklch(39.3% 0.106 270.6);

Tailwind

colors: {
  custom: {
    50: '#7174a4',
    500: '#31407e',
    950: '#000000',
  },
}

SCSS

$custom: #31407e;
$custom-light: #7174a4;
$custom-dark: #000000;

JSON

{
  "hex": "#31407e",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 126
  },
  "hsl": {
    "h": 228.312,
    "s": 44,
    "l": 34.314
  },
  "oklch": {
    "l": 0.39297,
    "c": 0.10593,
    "h": 270.6
  },
  "luminance": 0.05826
}

Semantic roles & 50–950 ramp

primary

#31407E

secondary

#AB9C60

accent

#BB54D4

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #31407E

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

Preview Lab → · Contrast checker → · Palette generator →