#312CC8#312CC8

#312CC8 is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.7% C 0.228 H 272.5°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#312CC8
RGB	rgb(49, 44, 200)
HSL	hsl(242, 64%, 48%)
HSV	hsv(242, 78%, 78%)
CMYK	cmyk(75.5%, 78%, 0%, 21.6%)
CIE-LAB	lab(30.93, 52.57, -78.60)
CIE-LCH	lch(30.93, 94.56, 303.78°)
OKLab	oklab(42.74% 0.0101 -0.2275)
OKLCH	oklch(42.74% 0.228 272.5)
XYZ	xyz(12.5891, 6.6231, 55.2473)
Luminance	0.0662 (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

#312CC8 #C3C82C

analogous

#2C75C8 #312CC8 #7F2CC8

triadic

#312CC8 #C8312C #2CC831

tetradic

#312CC8 #C82C75 #C3C82C #2CC87F

square

#312CC8 #C82C75 #C3C82C #2CC87F

split-complementary

#312CC8 #C87F2C #75C82C

monochromatic

#181664 #252196 #312CC8 #5B57DA #8C89E5

Accessibility & contrast

On white

9.03

#312CC8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#312CC8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CC8

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CC8	#FFFFFF	#000000	##FFFFFF
##312CC8	1.00	9.03	2.32	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050CC

Deuteranopia (green-blind)

#0041C5

Tritanopia (blue-blind)

#005C7A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #312cc8;
/* rgb */ color: rgb(49, 44, 200);
/* oklch */ color: oklch(42.7% 0.228 272.5);

Tailwind

colors: {
  custom: {
    50: '#8268da',
    500: '#312cc8',
    950: '#000000',
  },
}

SCSS

$custom: #312cc8;
$custom-light: #8268da;
$custom-dark: #000000;

JSON

{
  "hex": "#312cc8",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 200
  },
  "hsl": {
    "h": 241.923,
    "s": 63.934,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4274,
    "c": 0.2277,
    "h": 272.5
  },
  "luminance": 0.06624
}

Semantic roles & 50–950 ramp

primary

#312CC8

secondary

#CCCF81

accent

#E741E2

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0615

muted

#7D7A83

Preview Lab

Preview with #312CC8

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

Preview Lab → · Contrast checker → · Palette generator →