#312EB8#312EB8

#312EB8 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.3% C 0.207 H 273.5°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#312EB8
RGB	rgb(49, 46, 184)
HSL	hsl(241, 60%, 45%)
HSV	hsv(241, 75%, 72%)
CMYK	cmyk(73.4%, 75%, 0%, 27.8%)
CIE-LAB	lab(29.58, 46.40, -71.41)
CIE-LCH	lch(29.58, 85.17, 303.01°)
OKLab	oklab(41.28% 0.0126 -0.2066)
OKLCH	oklch(41.28% 0.207 273.5)
XYZ	xyz(10.8925, 6.0665, 45.9350)
Luminance	0.0607 (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

#312EB8 #B5B82E

analogous

#2E70B8 #312EB8 #762EB8

triadic

#312EB8 #B8312E #2EB831

tetradic

#312EB8 #B82E70 #B5B82E #2EB876

square

#312EB8 #B82E70 #B5B82E #2EB876

split-complementary

#312EB8 #B8762E #70B82E

monochromatic

#171656 #242287 #312EB8 #5350D3 #8381DF

Accessibility & contrast

On white

9.49

#312EB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#312EB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312EB8

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312EB8	#FFFFFF	#000000	##FFFFFF
##312EB8	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBC

Deuteranopia (green-blind)

#003FB6

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #312eb8;
/* rgb */ color: rgb(49, 46, 184);
/* oklch */ color: oklch(41.3% 0.207 273.5);

Tailwind

colors: {
  custom: {
    50: '#7e69cf',
    500: '#312eb8',
    950: '#000000',
  },
}

SCSS

$custom: #312eb8;
$custom-light: #7e69cf;
$custom-dark: #000000;

JSON

{
  "hex": "#312eb8",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 184
  },
  "hsl": {
    "h": 241.304,
    "s": 60,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4128,
    "c": 0.20699,
    "h": 273.5
  },
  "luminance": 0.06068
}

Semantic roles & 50–950 ramp

primary

#312EB8

secondary

#C7C879

accent

#E345E0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #312EB8

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

Preview Lab → · Contrast checker → · Palette generator →