#31438D#31438D

#31438D is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.1% C 0.124 H 269.9°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#31438D
RGB	rgb(49, 67, 141)
HSL	hsl(228, 48%, 37%)
HSV	hsv(228, 65%, 55%)
CMYK	cmyk(65.2%, 52.5%, 0%, 44.7%)
CIE-LAB	lab(30.85, 17.89, -43.36)
CIE-LCH	lch(30.85, 46.91, 292.42°)
OKLab	oklab(41.06% -0.0003 -0.1243)
OKLCH	oklch(41.06% 0.124 269.9)
XYZ	xyz(8.0799, 6.5897, 26.0403)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31438D #8D7B31

analogous

#31718D #31438D #4D318D

triadic

#31438D #8D3143 #438D31

tetradic

#31438D #8D3171 #8D7B31 #318D4D

square

#31438D #8D3171 #8D7B31 #318D4D

split-complementary

#31438D #8D4D31 #718D31

monochromatic

#111832 #212D60 #31438D #4159BA #6C7FCC

Accessibility & contrast

On white

9.06

#31438D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#31438D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31438D

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31438D	#FFFFFF	#000000	##FFFFFF
##31438D	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184D90

Deuteranopia (green-blind)

#00458B

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #31438d;
/* rgb */ color: rgb(49, 67, 141);
/* oklch */ color: oklch(41.1% 0.124 269.9);

Tailwind

colors: {
  custom: {
    50: '#7376af',
    500: '#31438d',
    950: '#000000',
  },
}

SCSS

$custom: #31438d;
$custom-light: #7376af;
$custom-dark: #000000;

JSON

{
  "hex": "#31438d",
  "rgb": {
    "r": 49,
    "g": 67,
    "b": 141
  },
  "hsl": {
    "h": 228.261,
    "s": 48.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.41058,
    "c": 0.12432,
    "h": 269.9
  },
  "luminance": 0.0659
}

Semantic roles & 50–950 ramp

primary

#31438D

secondary

#B4A466

accent

#BD50D8

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #31438D

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

Preview Lab → · Contrast checker → · Palette generator →