#31455D#31455D

#31455D is a dark, muted cyan. Relative luminance 0.057; OKLCH L 38.4% C 0.048 H 253.5°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#31455D
RGB	rgb(49, 69, 93)
HSL	hsl(213, 31%, 28%)
HSV	hsv(213, 47%, 36%)
CMYK	cmyk(47.3%, 25.8%, 0%, 63.5%)
CIE-LAB	lab(28.64, -0.56, -16.66)
CIE-LCH	lch(28.64, 16.67, 268.08°)
OKLab	oklab(38.44% -0.0138 -0.0464)
OKLCH	oklch(38.44% 0.048 253.5)
XYZ	xyz(5.3699, 5.6992, 11.1709)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31455D #5D4931

analogous

#315B5D #31455D #33315D

triadic

#31455D #5D3145 #455D31

tetradic

#31455D #5D315B #5D4931 #315D33

square

#31455D #5D315B #5D4931 #315D33

split-complementary

#31455D #5D3331 #5B5D31

monochromatic

#0B0F14 #1C2735 #31455D #466385 #5E81AA

Accessibility & contrast

On white

9.81

#31455D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#31455D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31455D

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31455D	#FFFFFF	#000000	##FFFFFF
##31455D	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C465E

Deuteranopia (green-blind)

#37425D

Tritanopia (blue-blind)

#204A4D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #31455d;
/* rgb */ color: rgb(49, 69, 93);
/* oklch */ color: oklch(38.4% 0.048 253.5);

Tailwind

colors: {
  custom: {
    50: '#6b788b',
    500: '#31455d',
    950: '#000000',
  },
}

SCSS

$custom: #31455d;
$custom-light: #6b788b;
$custom-dark: #000000;

JSON

{
  "hex": "#31455d",
  "rgb": {
    "r": 49,
    "g": 69,
    "b": 93
  },
  "hsl": {
    "h": 212.727,
    "s": 30.986,
    "l": 27.843
  },
  "oklch": {
    "l": 0.38439,
    "c": 0.04839,
    "h": 253.5
  },
  "luminance": 0.057
}

Semantic roles & 50–950 ramp

primary

#31455D

secondary

#8E775C

accent

#9961C7

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#07090C

muted

#7A7B7D

Preview Lab

Preview with #31455D

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

Preview Lab → · Contrast checker → · Palette generator →