#312CA7#312CA7

#312CA7 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.2% C 0.188 H 275.1°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#312CA7
RGB	rgb(49, 44, 167)
HSL	hsl(242, 58%, 41%)
HSV	hsv(242, 74%, 65%)
CMYK	cmyk(70.7%, 73.7%, 0%, 34.5%)
CIE-LAB	lab(27.42, 41.93, -64.81)
CIE-LCH	lch(27.42, 77.19, 302.90°)
OKLab	oklab(39.22% 0.0168 -0.1874)
OKLCH	oklch(39.22% 0.188 275.1)
XYZ	xyz(9.1401, 5.2435, 37.0821)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312CA7 #A2A72C

analogous

#2C65A7 #312CA7 #6F2CA7

triadic

#312CA7 #A7312C #2CA731

tetradic

#312CA7 #A72C65 #A2A72C #2CA76F

square

#312CA7 #A72C65 #A2A72C #2CA76F

split-complementary

#312CA7 #A76F2C #65A72C

monochromatic

#151246 #231F77 #312CA7 #4843CD #7773DA

Accessibility & contrast

On white

10.25

#312CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#312CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CA7

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CA7	#FFFFFF	#000000	##FFFFFF
##312CA7	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AB

Deuteranopia (green-blind)

#003BA5

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #312ca7;
/* rgb */ color: rgb(49, 44, 167);
/* oklch */ color: oklch(39.2% 0.188 275.1);

Tailwind

colors: {
  custom: {
    50: '#7b67c2',
    500: '#312ca7',
    950: '#000000',
  },
}

SCSS

$custom: #312ca7;
$custom-light: #7b67c2;
$custom-dark: #000000;

JSON

{
  "hex": "#312ca7",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 167
  },
  "hsl": {
    "h": 242.439,
    "s": 58.294,
    "l": 41.373
  },
  "oklch": {
    "l": 0.3922,
    "c": 0.18812,
    "h": 275.1
  },
  "luminance": 0.05244
}

Semantic roles & 50–950 ramp

primary

#312CA7

secondary

#BEC26D

accent

#E246DB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #312CA7

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

Preview Lab → · Contrast checker → · Palette generator →