#31487D#31487D

#31487D is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.0% C 0.094 H 264.9°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#31487D
RGB	rgb(49, 72, 125)
HSL	hsl(222, 44%, 34%)
HSV	hsv(222, 61%, 49%)
CMYK	cmyk(60.8%, 42.4%, 0%, 51%)
CIE-LAB	lab(31.27, 8.62, -32.79)
CIE-LCH	lch(31.27, 33.90, 284.74°)
OKLab	oklab(41.04% -0.0083 -0.0932)
OKLCH	oklch(41.04% 0.094 264.9)
XYZ	xyz(7.2844, 6.7678, 20.3205)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31487D #7D6631

analogous

#316E7D #31487D #40317D

triadic

#31487D #7D3148 #487D31

tetradic

#31487D #7D316E #7D6631 #317D40

square

#31487D #7D316E #7D6631 #317D40

split-complementary

#31487D #7D4031 #6E7D31

monochromatic

#0F1525 #202F51 #31487D #4261A9 #6682C3

Accessibility & contrast

On white

8.92

#31487D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#31487D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31487D

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31487D	#FFFFFF	#000000	##FFFFFF
##31487D	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314D7F

Deuteranopia (green-blind)

#27467C

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #31487d;
/* rgb */ color: rgb(49, 72, 125);
/* oklch */ color: oklch(41.0% 0.094 264.9);

Tailwind

colors: {
  custom: {
    50: '#707aa3',
    500: '#31487d',
    950: '#000000',
  },
}

SCSS

$custom: #31487d;
$custom-light: #707aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#31487d",
  "rgb": {
    "r": 49,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 221.842,
    "s": 43.678,
    "l": 34.118
  },
  "oklch": {
    "l": 0.41043,
    "c": 0.09356,
    "h": 264.9
  },
  "luminance": 0.06768
}

Semantic roles & 50–950 ramp

primary

#31487D

secondary

#AA9460

accent

#AD54D3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #31487D

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

Preview Lab → · Contrast checker → · Palette generator →