#312EA6#312EA6

#312EA6 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.185 H 274.9°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#312EA6
RGB	rgb(49, 46, 166)
HSL	hsl(242, 57%, 42%)
HSV	hsv(242, 72%, 65%)
CMYK	cmyk(70.5%, 72.3%, 0%, 34.9%)
CIE-LAB	lab(27.73, 40.43, -63.68)
CIE-LCH	lch(27.73, 75.43, 302.41°)
OKLab	oklab(39.42% 0.0158 -0.1841)
OKLCH	oklch(39.42% 0.185 274.9)
XYZ	xyz(9.1243, 5.3593, 36.6226)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312EA6 #A3A62E

analogous

#2E67A6 #312EA6 #6D2EA6

triadic

#312EA6 #A6312E #2EA631

tetradic

#312EA6 #A62E67 #A3A62E #2EA66D

square

#312EA6 #A62E67 #A3A62E #2EA66D

split-complementary

#312EA6 #A66D2E #67A62E

monochromatic

#151346 #232176 #312EA6 #4946CC #7876D9

Accessibility & contrast

On white

10.14

#312EA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#312EA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312EA6

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312EA6	#FFFFFF	#000000	##FFFFFF
##312EA6	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AA

Deuteranopia (green-blind)

#003CA4

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #312ea6;
/* rgb */ color: rgb(49, 46, 166);
/* oklch */ color: oklch(39.4% 0.185 274.9);

Tailwind

colors: {
  custom: {
    50: '#7a68c2',
    500: '#312ea6',
    950: '#000000',
  },
}

SCSS

$custom: #312ea6;
$custom-light: #7a68c2;
$custom-dark: #000000;

JSON

{
  "hex": "#312ea6",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 166
  },
  "hsl": {
    "h": 241.5,
    "s": 56.604,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39416,
    "c": 0.18477,
    "h": 274.9
  },
  "luminance": 0.0536
}

Semantic roles & 50–950 ramp

primary

#312EA6

secondary

#BFC16F

accent

#E048DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #312EA6

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

Preview Lab → · Contrast checker → · Palette generator →