#312990#312990

#312990 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.4% C 0.162 H 278.1°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#312990
RGB	rgb(49, 41, 144)
HSL	hsl(245, 56%, 36%)
HSV	hsv(245, 72%, 56%)
CMYK	cmyk(66%, 71.5%, 0%, 43.5%)
CIE-LAB	lab(24.49, 35.98, -55.58)
CIE-LCH	lch(24.49, 66.21, 302.92°)
OKLab	oklab(36.44% 0.0229 -0.1604)
OKLCH	oklch(36.44% 0.162 278.1)
XYZ	xyz(7.0920, 4.2519, 26.8271)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312990 #889029

analogous

#295590 #312990 #652990

triadic

#312990 #903129 #299031

tetradic

#312990 #902955 #889029 #299065

square

#312990 #902955 #889029 #299065

split-complementary

#312990 #906529 #559029

monochromatic

#110E31 #211B60 #312990 #4137C0 #6A61D2

Accessibility & contrast

On white

11.35

#312990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#312990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312990

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312990	#FFFFFF	#000000	##FFFFFF
##312990	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E93

Deuteranopia (green-blind)

#00368E

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #312990;
/* rgb */ color: rgb(49, 41, 144);
/* oklch */ color: oklch(36.4% 0.162 278.1);

Tailwind

colors: {
  custom: {
    50: '#7664b2',
    500: '#312990',
    950: '#000000',
  },
}

SCSS

$custom: #312990;
$custom-light: #7664b2;
$custom-dark: #000000;

JSON

{
  "hex": "#312990",
  "rgb": {
    "r": 49,
    "g": 41,
    "b": 144
  },
  "hsl": {
    "h": 244.66,
    "s": 55.676,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36436,
    "c": 0.16202,
    "h": 278.1
  },
  "luminance": 0.04252
}

Semantic roles & 50–950 ramp

primary

#312990

secondary

#B1B85D

accent

#DF49D3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0511

muted

#7C7A80

Preview Lab

Preview with #312990

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

Preview Lab → · Contrast checker → · Palette generator →