#31456D#31456D

#31456D is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.3% C 0.073 H 263.2°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#31456D
RGB	rgb(49, 69, 109)
HSL	hsl(220, 38%, 31%)
HSV	hsv(220, 55%, 43%)
CMYK	cmyk(55%, 36.7%, 0%, 57.3%)
CIE-LAB	lab(29.45, 4.89, -25.63)
CIE-LCH	lch(29.45, 26.09, 280.81°)
OKLab	oklab(39.33% -0.0086 -0.0723)
OKLCH	oklch(39.33% 0.073 263.2)
XYZ	xyz(6.1541, 6.0129, 15.3013)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31456D #6D5931

analogous

#31636D #31456D #3B316D

triadic

#31456D #6D3145 #456D31

tetradic

#31456D #6D3163 #6D5931 #316D3B

square

#31456D #6D3163 #6D5931 #316D3B

split-complementary

#31456D #6D3B31 #636D31

monochromatic

#0B1019 #1E2A43 #31456D #446097 #617EB8

Accessibility & contrast

On white

9.53

#31456D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#31456D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31456D

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31456D	#FFFFFF	#000000	##FFFFFF
##31456D	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35486F

Deuteranopia (green-blind)

#2E436C

Tritanopia (blue-blind)

#134E54

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #31456d;
/* rgb */ color: rgb(49, 69, 109);
/* oklch */ color: oklch(39.3% 0.073 263.2);

Tailwind

colors: {
  custom: {
    50: '#6d7897',
    500: '#31456d',
    950: '#000000',
  },
}

SCSS

$custom: #31456d;
$custom-light: #6d7897;
$custom-dark: #000000;

JSON

{
  "hex": "#31456d",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 109
  },
  "hsl": {
    "h": 220,
    "s": 37.975,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39331,
    "c": 0.0728,
    "h": 263.2
  },
  "luminance": 0.06013
}

Semantic roles & 50–950 ramp

primary

#31456D

secondary

#9E885C

accent

#A75ACE

background

#F6F7F9

surface

#ECEDF2

border

#C7C8CC

text

#07080D

muted

#7A7B7E

Preview Lab

Preview with #31456D

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

Preview Lab → · Contrast checker → · Palette generator →