#312D96#312D96

#312D96 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.165 H 276.6°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#312D96
RGB	rgb(49, 45, 150)
HSL	hsl(242, 54%, 38%)
HSV	hsv(242, 70%, 59%)
CMYK	cmyk(67.3%, 70%, 0%, 41.2%)
CIE-LAB	lab(25.95, 35.59, -56.87)
CIE-LCH	lch(25.95, 67.08, 302.04°)
OKLab	oklab(37.67% 0.019 -0.1642)
OKLCH	oklch(37.67% 0.165 276.6)
XYZ	xyz(7.7082, 4.7311, 29.3552)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312D96 #92962D

analogous

#2D5D96 #312D96 #652D96

triadic

#312D96 #96312D #2D9631

tetradic

#312D96 #962D5D #92962D #2D9665

square

#312D96 #962D5D #92962D #2D9665

split-complementary

#312D96 #96652D #5D962D

monochromatic

#121138 #221F67 #312D96 #413CC4 #6F6BD3

Accessibility & contrast

On white

10.79

#312D96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#312D96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312D96

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312D96	#FFFFFF	#000000	##FFFFFF
##312D96	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004299

Deuteranopia (green-blind)

#003994

Tritanopia (blue-blind)

#00495E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #312d96;
/* rgb */ color: rgb(49, 45, 150);
/* oklch */ color: oklch(37.7% 0.165 276.6);

Tailwind

colors: {
  custom: {
    50: '#7767b6',
    500: '#312d96',
    950: '#000000',
  },
}

SCSS

$custom: #312d96;
$custom-light: #7767b6;
$custom-dark: #000000;

JSON

{
  "hex": "#312d96",
  "rgb": {
    "r": 49,
    "g": 45,
    "b": 150
  },
  "hsl": {
    "h": 242.286,
    "s": 53.846,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37666,
    "c": 0.16527,
    "h": 276.6
  },
  "luminance": 0.04732
}

Semantic roles & 50–950 ramp

primary

#312D96

secondary

#B6B965

accent

#DD4BD8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #312D96

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

Preview Lab → · Contrast checker → · Palette generator →