#312CC5#312CC5

#312CC5 is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.4% C 0.224 H 272.7°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#312CC5
RGB	rgb(49, 44, 197)
HSL	hsl(242, 63%, 47%)
HSV	hsv(242, 78%, 77%)
CMYK	cmyk(75.1%, 77.7%, 0%, 22.7%)
CIE-LAB	lab(30.60, 51.63, -77.39)
CIE-LCH	lch(30.60, 93.03, 303.71°)
OKLab	oklab(42.41% 0.0107 -0.224)
OKLCH	oklch(42.41% 0.224 272.7)
XYZ	xyz(12.2420, 6.4843, 53.4189)
Luminance	0.0649 (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

#312CC5 #C0C52C

analogous

#2C73C5 #312CC5 #7E2CC5

triadic

#312CC5 #C5312C #2CC531

tetradic

#312CC5 #C52C73 #C0C52C #2CC57E

square

#312CC5 #C52C73 #C0C52C #2CC57E

split-complementary

#312CC5 #C57E2C #73C52C

monochromatic

#181661 #252193 #312CC5 #5955D9 #8A87E4

Accessibility & contrast

On white

9.14

#312CC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#312CC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CC5

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CC5	#FFFFFF	#000000	##FFFFFF
##312CC5	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC9

Deuteranopia (green-blind)

#0040C2

Tritanopia (blue-blind)

#005B78

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #312cc5;
/* rgb */ color: rgb(49, 44, 197);
/* oklch */ color: oklch(42.4% 0.224 272.7);

Tailwind

colors: {
  custom: {
    50: '#8268d8',
    500: '#312cc5',
    950: '#000000',
  },
}

SCSS

$custom: #312cc5;
$custom-light: #8268d8;
$custom-dark: #000000;

JSON

{
  "hex": "#312cc5",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 197
  },
  "hsl": {
    "h": 241.961,
    "s": 63.485,
    "l": 47.255
  },
  "oklch": {
    "l": 0.42412,
    "c": 0.22422,
    "h": 272.7
  },
  "luminance": 0.06486
}

Semantic roles & 50–950 ramp

primary

#312CC5

secondary

#CBCE7F

accent

#E741E1

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0615

muted

#7D7A83

Preview Lab

Preview with #312CC5

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

Preview Lab → · Contrast checker → · Palette generator →