#31477C#31477C

#31477C is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.7% C 0.093 H 265.5°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#31477C
RGB	rgb(49, 71, 124)
HSL	hsl(222, 43%, 34%)
HSV	hsv(222, 60%, 49%)
CMYK	cmyk(60.5%, 42.7%, 0%, 51.4%)
CIE-LAB	lab(30.91, 8.93, -32.74)
CIE-LCH	lch(30.91, 33.94, 285.26°)
OKLab	oklab(40.74% -0.0074 -0.093)
OKLCH	oklch(40.74% 0.093 265.5)
XYZ	xyz(7.1567, 6.6141, 19.9644)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31477C #7C6631

analogous

#316D7C #31477C #41317C

triadic

#31477C #7C3147 #477C31

tetradic

#31477C #7C316D #7C6631 #317C41

square

#31477C #7C316D #7C6631 #317C41

split-complementary

#31477C #7C4131 #6D7C31

monochromatic

#0E1524 #202E50 #31477C #4260A8 #6580C2

Accessibility & contrast

On white

9.04

#31477C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#31477C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31477C

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31477C	#FFFFFF	#000000	##FFFFFF
##31477C	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304C7E

Deuteranopia (green-blind)

#26467B

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #31477c;
/* rgb */ color: rgb(49, 71, 124);
/* oklch */ color: oklch(40.7% 0.093 265.5);

Tailwind

colors: {
  custom: {
    50: '#7079a2',
    500: '#31477c',
    950: '#000000',
  },
}

SCSS

$custom: #31477c;
$custom-light: #7079a2;
$custom-dark: #000000;

JSON

{
  "hex": "#31477c",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 124
  },
  "hsl": {
    "h": 222.4,
    "s": 43.353,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40745,
    "c": 0.09334,
    "h": 265.5
  },
  "luminance": 0.06615
}

Semantic roles & 50–950 ramp

primary

#31477C

secondary

#AA945F

accent

#AE55D3

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #31477C

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

Preview Lab → · Contrast checker → · Palette generator →