#312FC5#312FC5

#312FC5 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.8% C 0.222 H 272.5°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#312FC5
RGB	rgb(49, 47, 197)
HSL	hsl(241, 61%, 48%)
HSV	hsv(241, 76%, 77%)
CMYK	cmyk(75.1%, 76.1%, 0%, 22.7%)
CIE-LAB	lab(31.15, 50.06, -76.48)
CIE-LCH	lch(31.15, 91.41, 303.21°)
OKLab	oklab(42.8% 0.0096 -0.2214)
OKLCH	oklch(42.8% 0.222 272.5)
XYZ	xyz(12.3578, 6.7159, 53.4575)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312FC5 #C3C52F

analogous

#2F78C5 #312FC5 #7C2FC5

triadic

#312FC5 #C5312F #2FC531

tetradic

#312FC5 #C52F78 #C3C52F #2FC57C

square

#312FC5 #C52F78 #C3C52F #2FC57C

split-complementary

#312FC5 #C57C2F #78C52F

monochromatic

#181762 #252394 #312FC5 #5B5AD8 #8C8BE3

Accessibility & contrast

On white

8.96

#312FC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#312FC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312FC5

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312FC5	#FFFFFF	#000000	##FFFFFF
##312FC5	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C9

Deuteranopia (green-blind)

#0042C2

Tritanopia (blue-blind)

#005C78

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #312fc5;
/* rgb */ color: rgb(49, 47, 197);
/* oklch */ color: oklch(42.8% 0.222 272.5);

Tailwind

colors: {
  custom: {
    50: '#816ad8',
    500: '#312fc5',
    950: '#000000',
  },
}

SCSS

$custom: #312fc5;
$custom-light: #816ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#312fc5",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 197
  },
  "hsl": {
    "h": 240.8,
    "s": 61.475,
    "l": 47.843
  },
  "oklch": {
    "l": 0.42798,
    "c": 0.22157,
    "h": 272.5
  },
  "luminance": 0.06717
}

Semantic roles & 50–950 ramp

primary

#312FC5

secondary

#CCCD82

accent

#E543E2

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #312FC5

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

Preview Lab → · Contrast checker → · Palette generator →