#312FBE#312FBE

#312FBE is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.1% C 0.213 H 272.9°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#312FBE
RGB	rgb(49, 47, 190)
HSL	hsl(241, 60%, 46%)
HSV	hsv(241, 75%, 75%)
CMYK	cmyk(74.2%, 75.3%, 0%, 25.5%)
CIE-LAB	lab(30.41, 47.80, -73.60)
CIE-LCH	lch(30.41, 87.76, 303.01°)
OKLab	oklab(42.05% 0.011 -0.213)
OKLCH	oklch(42.05% 0.213 272.9)
XYZ	xyz(11.5743, 6.4025, 49.3310)
Luminance	0.0640 (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

#312FBE #BCBE2F

analogous

#2F75BE #312FBE #792FBE

triadic

#312FBE #BE312F #2FBE31

tetradic

#312FBE #BE2F75 #BCBE2F #2FBE79

square

#312FBE #BE2F75 #BCBE2F #2FBE79

split-complementary

#312FBE #BE792F #75BE2F

monochromatic

#18175C #24238D #312FBE #5755D5 #8886E1

Accessibility & contrast

On white

9.21

#312FBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#312FBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312FBE

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312FBE	#FFFFFF	#000000	##FFFFFF
##312FBE	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EC2

Deuteranopia (green-blind)

#0041BB

Tritanopia (blue-blind)

#005975

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #312fbe;
/* rgb */ color: rgb(49, 47, 190);
/* oklch */ color: oklch(42.1% 0.213 272.9);

Tailwind

colors: {
  custom: {
    50: '#806ad3',
    500: '#312fbe',
    950: '#000000',
  },
}

SCSS

$custom: #312fbe;
$custom-light: #806ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#312fbe",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 190
  },
  "hsl": {
    "h": 240.839,
    "s": 60.338,
    "l": 46.471
  },
  "oklch": {
    "l": 0.42052,
    "c": 0.21326,
    "h": 272.9
  },
  "luminance": 0.06404
}

Semantic roles & 50–950 ramp

primary

#312FBE

secondary

#CACB7E

accent

#E344E1

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #312FBE

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

Preview Lab → · Contrast checker → · Palette generator →