#31348D#31348D

#31348D is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.144 H 275.6°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#31348D
RGB	rgb(49, 52, 141)
HSL	hsl(238, 48%, 37%)
HSV	hsv(238, 65%, 55%)
CMYK	cmyk(65.2%, 63.1%, 0%, 44.7%)
CIE-LAB	lab(26.82, 27.96, -49.90)
CIE-LCH	lch(26.82, 57.19, 299.26°)
OKLab	oklab(38.05% 0.0142 -0.1437)
OKLCH	oklch(38.05% 0.144 275.6)
XYZ	xyz(7.3008, 5.0314, 25.7806)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31348D #8D8A31

analogous

#31628D #31348D #5C318D

triadic

#31348D #8D3134 #348D31

tetradic

#31348D #8D3162 #8D8A31 #318D5C

square

#31348D #8D3162 #8D8A31 #318D5C

split-complementary

#31348D #8D5C31 #628D31

monochromatic

#111332 #212360 #31348D #4145BA #6C6FCC

Accessibility & contrast

On white

10.47

#31348D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#31348D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31348D

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31348D	#FFFFFF	#000000	##FFFFFF
##31348D	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004390

Deuteranopia (green-blind)

#003B8B

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #31348d;
/* rgb */ color: rgb(49, 52, 141);
/* oklch */ color: oklch(38.0% 0.144 275.6);

Tailwind

colors: {
  custom: {
    50: '#746baf',
    500: '#31348d',
    950: '#000000',
  },
}

SCSS

$custom: #31348d;
$custom-light: #746baf;
$custom-dark: #000000;

JSON

{
  "hex": "#31348d",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 141
  },
  "hsl": {
    "h": 238.043,
    "s": 48.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3805,
    "c": 0.1444,
    "h": 275.6
  },
  "luminance": 0.05032
}

Semantic roles & 50–950 ramp

primary

#31348D

secondary

#B4B166

accent

#D450D8

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #31348D

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

Preview Lab → · Contrast checker → · Palette generator →