#312598#312598

#312598 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.7% C 0.177 H 277.8°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#312598
RGB	rgb(49, 37, 152)
HSL	hsl(246, 61%, 37%)
HSV	hsv(246, 76%, 60%)
CMYK	cmyk(67.8%, 75.7%, 0%, 40.4%)
CIE-LAB	lab(24.46, 40.96, -60.56)
CIE-LCH	lch(24.46, 73.11, 304.08°)
OKLab	oklab(36.66% 0.024 -0.1749)
OKLCH	oklch(36.66% 0.177 277.8)
XYZ	xyz(7.5939, 4.2425, 30.1184)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312598 #8C9825

analogous

#255398 #312598 #6B2598

triadic

#312598 #983125 #259831

tetradic

#312598 #982553 #8C9825 #25986B

square

#312598 #982553 #8C9825 #25986B

split-complementary

#312598 #986B25 #539825

monochromatic

#110D36 #211967 #312598 #4131C9 #6C5FD8

Accessibility & contrast

On white

11.36

#312598 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#312598 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312598

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312598	#FFFFFF	#000000	##FFFFFF
##312598	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F9B

Deuteranopia (green-blind)

#003596

Tritanopia (blue-blind)

#00465D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #312598;
/* rgb */ color: rgb(49, 37, 152);
/* oklch */ color: oklch(36.7% 0.177 277.8);

Tailwind

colors: {
  custom: {
    50: '#7862b7',
    500: '#312598',
    950: '#000000',
  },
}

SCSS

$custom: #312598;
$custom-light: #7862b7;
$custom-dark: #000000;

JSON

{
  "hex": "#312598",
  "rgb": {
    "r": 49,
    "g": 37,
    "b": 152
  },
  "hsl": {
    "h": 246.261,
    "s": 60.847,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36658,
    "c": 0.17656,
    "h": 277.8
  },
  "luminance": 0.04243
}

Semantic roles & 50–950 ramp

primary

#312598

secondary

#B3BD5C

accent

#E444D3

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #312598

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

Preview Lab → · Contrast checker → · Palette generator →