#312F94#312F94

#312F94 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.160 H 276.4°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#312F94
RGB	rgb(49, 47, 148)
HSL	hsl(241, 52%, 38%)
HSV	hsv(241, 68%, 58%)
CMYK	cmyk(66.9%, 68.2%, 0%, 42%)
CIE-LAB	lab(26.23, 33.65, -55.19)
CIE-LCH	lch(26.23, 64.64, 301.37°)
OKLab	oklab(37.8% 0.0178 -0.1593)
OKLCH	oklch(37.8% 0.16 276.4)
XYZ	xyz(7.6267, 4.8235, 28.5403)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312F94 #92942F

analogous

#2F5F94 #312F94 #632F94

triadic

#312F94 #94312F #2F9431

tetradic

#312F94 #942F5F #92942F #2F9463

square

#312F94 #942F5F #92942F #2F9463

split-complementary

#312F94 #94632F #5F942F

monochromatic

#121137 #222066 #312F94 #413EC2 #6F6DD1

Accessibility & contrast

On white

10.69

#312F94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#312F94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312F94

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312F94	#FFFFFF	#000000	##FFFFFF
##312F94	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004297

Deuteranopia (green-blind)

#003A92

Tritanopia (blue-blind)

#004A5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #312f94;
/* rgb */ color: rgb(49, 47, 148);
/* oklch */ color: oklch(37.8% 0.160 276.4);

Tailwind

colors: {
  custom: {
    50: '#7668b4',
    500: '#312f94',
    950: '#000000',
  },
}

SCSS

$custom: #312f94;
$custom-light: #7668b4;
$custom-dark: #000000;

JSON

{
  "hex": "#312f94",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 148
  },
  "hsl": {
    "h": 241.188,
    "s": 51.795,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37804,
    "c": 0.16026,
    "h": 276.4
  },
  "luminance": 0.04824
}

Semantic roles & 50–950 ramp

primary

#312F94

secondary

#B6B867

accent

#DB4DD8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #312F94

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

Preview Lab → · Contrast checker → · Palette generator →