#312CBB#312CBB

#312CBB is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.3% C 0.212 H 273.5°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#312CBB
RGB	rgb(49, 44, 187)
HSL	hsl(242, 62%, 45%)
HSV	hsv(242, 76%, 73%)
CMYK	cmyk(73.8%, 76.5%, 0%, 26.7%)
CIE-LAB	lab(29.52, 48.46, -73.30)
CIE-LCH	lch(29.52, 87.87, 303.47°)
OKLab	oklab(41.33% 0.0129 -0.2121)
OKLCH	oklch(41.33% 0.212 273.5)
XYZ	xyz(11.1340, 6.0410, 47.5833)
Luminance	0.0604 (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

#312CBB #B6BB2C

analogous

#2C6EBB #312CBB #782CBB

triadic

#312CBB #BB312C #2CBB31

tetradic

#312CBB #BB2C6E #B6BB2C #2CBB78

square

#312CBB #BB2C6E #B6BB2C #2CBB78

split-complementary

#312CBB #BB782C #6EBB2C

monochromatic

#171558 #242089 #312CBB #534FD6 #8480E1

Accessibility & contrast

On white

9.51

#312CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#312CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312CBB

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312CBB	#FFFFFF	#000000	##FFFFFF
##312CBB	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBF

Deuteranopia (green-blind)

#003FB8

Tritanopia (blue-blind)

#005772

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #312cbb;
/* rgb */ color: rgb(49, 44, 187);
/* oklch */ color: oklch(41.3% 0.212 273.5);

Tailwind

colors: {
  custom: {
    50: '#7f68d1',
    500: '#312cbb',
    950: '#000000',
  },
}

SCSS

$custom: #312cbb;
$custom-light: #7f68d1;
$custom-dark: #000000;

JSON

{
  "hex": "#312cbb",
  "rgb": {
    "r": 49,
    "g": 44,
    "b": 187
  },
  "hsl": {
    "h": 242.098,
    "s": 61.905,
    "l": 45.294
  },
  "oklch": {
    "l": 0.41329,
    "c": 0.21246,
    "h": 273.5
  },
  "luminance": 0.06042
}

Semantic roles & 50–950 ramp

primary

#312CBB

secondary

#C7CA79

accent

#E543DF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #312CBB

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

Preview Lab → · Contrast checker → · Palette generator →