#312BC0#312BC0

#312BC0 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.7% C 0.219 H 273.2°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#312BC0
RGB	rgb(49, 43, 192)
HSL	hsl(242, 63%, 46%)
HSV	hsv(242, 78%, 75%)
CMYK	cmyk(74.5%, 77.6%, 0%, 24.7%)
CIE-LAB	lab(29.88, 50.57, -75.66)
CIE-LCH	lch(29.88, 91.00, 303.76°)
OKLab	oklab(41.74% 0.0122 -0.2189)
OKLCH	oklch(41.74% 0.219 273.2)
XYZ	xyz(11.6417, 6.1853, 50.4393)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312BC0 #BAC02B

analogous

#2B6FC0 #312BC0 #7B2BC0

triadic

#312BC0 #C0312B #2BC031

tetradic

#312BC0 #C02B6F #BAC02B #2BC07B

square

#312BC0 #C02B6F #BAC02B #2BC07B

split-complementary

#312BC0 #C07B2B #6FC02B

monochromatic

#17155C #24208E #312BC0 #5650D8 #8682E3

Accessibility & contrast

On white

9.39

#312BC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#312BC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312BC0

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312BC0	#FFFFFF	#000000	##FFFFFF
##312BC0	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DC4

Deuteranopia (green-blind)

#003FBD

Tritanopia (blue-blind)

#005875

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #312bc0;
/* rgb */ color: rgb(49, 43, 192);
/* oklch */ color: oklch(41.7% 0.219 273.2);

Tailwind

colors: {
  custom: {
    50: '#8167d4',
    500: '#312bc0',
    950: '#000000',
  },
}

SCSS

$custom: #312bc0;
$custom-light: #8167d4;
$custom-dark: #000000;

JSON

{
  "hex": "#312bc0",
  "rgb": {
    "r": 49,
    "g": 43,
    "b": 192
  },
  "hsl": {
    "h": 242.416,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.41741,
    "c": 0.21925,
    "h": 273.2
  },
  "luminance": 0.06186
}

Semantic roles & 50–950 ramp

primary

#312BC0

secondary

#C9CC7B

accent

#E641E0

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #312BC0

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

Preview Lab → · Contrast checker → · Palette generator →