#312F95#312F95

#312F95 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.9% C 0.162 H 276.3°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#312F95
RGB	rgb(49, 47, 149)
HSL	hsl(241, 52%, 38%)
HSV	hsv(241, 68%, 58%)
CMYK	cmyk(67.1%, 68.5%, 0%, 41.6%)
CIE-LAB	lab(26.32, 34.00, -55.66)
CIE-LCH	lch(26.32, 65.22, 301.42°)
OKLab	oklab(37.9% 0.0177 -0.1606)
OKLCH	oklch(37.9% 0.162 276.3)
XYZ	xyz(7.7062, 4.8553, 28.9590)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312F95 #93952F

analogous

#2F6095 #312F95 #642F95

triadic

#312F95 #95312F #2F9531

tetradic

#312F95 #952F60 #93952F #2F9564

square

#312F95 #952F60 #93952F #2F9564

split-complementary

#312F95 #95642F #60952F

monochromatic

#121238 #222066 #312F95 #413FC2 #6F6DD1

Accessibility & contrast

On white

10.65

#312F95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#312F95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312F95

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312F95	#FFFFFF	#000000	##FFFFFF
##312F95	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004398

Deuteranopia (green-blind)

#003A93

Tritanopia (blue-blind)

#004A5E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #312f95;
/* rgb */ color: rgb(49, 47, 149);
/* oklch */ color: oklch(37.9% 0.162 276.3);

Tailwind

colors: {
  custom: {
    50: '#7668b5',
    500: '#312f95',
    950: '#000000',
  },
}

SCSS

$custom: #312f95;
$custom-light: #7668b5;
$custom-dark: #000000;

JSON

{
  "hex": "#312f95",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 149
  },
  "hsl": {
    "h": 241.176,
    "s": 52.041,
    "l": 38.431
  },
  "oklch": {
    "l": 0.379,
    "c": 0.16159,
    "h": 276.3
  },
  "luminance": 0.04856
}

Semantic roles & 50–950 ramp

primary

#312F95

secondary

#B7B867

accent

#DB4CD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #312F95

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

Preview Lab → · Contrast checker → · Palette generator →