#312797#312797

#312797 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.173 H 277.6°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#312797
RGB	rgb(49, 39, 151)
HSL	hsl(245, 59%, 37%)
HSV	hsv(245, 74%, 59%)
CMYK	cmyk(67.5%, 74.2%, 0%, 40.8%)
CIE-LAB	lab(24.76, 39.50, -59.45)
CIE-LCH	lch(24.76, 71.38, 303.60°)
OKLab	oklab(36.84% 0.023 -0.1717)
OKLCH	oklch(36.84% 0.173 277.6)
XYZ	xyz(7.5762, 4.3377, 29.7102)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312797 #8D9727

analogous

#275597 #312797 #692797

triadic

#312797 #973127 #279731

tetradic

#312797 #972755 #8D9727 #279769

square

#312797 #972755 #8D9727 #279769

split-complementary

#312797 #976927 #559727

monochromatic

#110E36 #211A66 #312797 #4134C8 #6C62D6

Accessibility & contrast

On white

11.24

#312797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#312797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312797

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312797	#FFFFFF	#000000	##FFFFFF
##312797	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9A

Deuteranopia (green-blind)

#003695

Tritanopia (blue-blind)

#00475C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #312797;
/* rgb */ color: rgb(49, 39, 151);
/* oklch */ color: oklch(36.8% 0.173 277.6);

Tailwind

colors: {
  custom: {
    50: '#7863b7',
    500: '#312797',
    950: '#000000',
  },
}

SCSS

$custom: #312797;
$custom-light: #7863b7;
$custom-dark: #000000;

JSON

{
  "hex": "#312797",
  "rgb": {
    "r": 49,
    "g": 39,
    "b": 151
  },
  "hsl": {
    "h": 245.357,
    "s": 58.947,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3684,
    "c": 0.17323,
    "h": 277.6
  },
  "luminance": 0.04338
}

Semantic roles & 50–950 ramp

primary

#312797

secondary

#B4BC5E

accent

#E246D4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0511

muted

#7C7A80

Preview Lab

Preview with #312797

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

Preview Lab → · Contrast checker → · Palette generator →