#31348E#31348E

#31348E is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.1% C 0.146 H 275.6°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#31348E
RGB	rgb(49, 52, 142)
HSL	hsl(238, 49%, 37%)
HSV	hsv(238, 65%, 56%)
CMYK	cmyk(65.5%, 63.4%, 0%, 44.3%)
CIE-LAB	lab(26.91, 28.31, -50.38)
CIE-LCH	lch(26.91, 57.79, 299.34°)
OKLab	oklab(38.14% 0.0142 -0.1451)
OKLCH	oklch(38.14% 0.146 275.6)
XYZ	xyz(7.3755, 5.0613, 26.1742)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31348E #8E8B31

analogous

#31628E #31348E #5D318E

triadic

#31348E #8E3134 #348E31

tetradic

#31348E #8E3162 #8E8B31 #318E5D

square

#31348E #8E3162 #8E8B31 #318E5D

split-complementary

#31348E #8E5D31 #628E31

monochromatic

#121333 #212361 #31348E #4145BB #6D70CD

Accessibility & contrast

On white

10.44

#31348E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#31348E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31348E

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31348E	#FFFFFF	#000000	##FFFFFF
##31348E	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#003C8C

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #31348e;
/* rgb */ color: rgb(49, 52, 142);
/* oklch */ color: oklch(38.1% 0.146 275.6);

Tailwind

colors: {
  custom: {
    50: '#756bb0',
    500: '#31348e',
    950: '#000000',
  },
}

SCSS

$custom: #31348e;
$custom-light: #756bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#31348e",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 142
  },
  "hsl": {
    "h": 238.065,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.38138,
    "c": 0.1458,
    "h": 275.6
  },
  "luminance": 0.05062
}

Semantic roles & 50–950 ramp

primary

#31348E

secondary

#B4B267

accent

#D450D8

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #31348E

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

Preview Lab → · Contrast checker → · Palette generator →