#312D98#312D98

#312D98 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.9% C 0.168 H 276.4°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#312D98
RGB	rgb(49, 45, 152)
HSL	hsl(242, 54%, 39%)
HSV	hsv(242, 70%, 60%)
CMYK	cmyk(67.8%, 70.4%, 0%, 40.4%)
CIE-LAB	lab(26.15, 36.27, -57.78)
CIE-LCH	lch(26.15, 68.22, 302.12°)
OKLab	oklab(37.86% 0.0187 -0.1668)
OKLCH	oklch(37.86% 0.168 276.4)
XYZ	xyz(7.8707, 4.7961, 30.2106)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312D98 #94982D

analogous

#2D5E98 #312D98 #662D98

triadic

#312D98 #98312D #2D9831

tetradic

#312D98 #982D5E #94982D #2D9866

square

#312D98 #982D5E #94982D #2D9866

split-complementary

#312D98 #98662D #5E982D

monochromatic

#13113A #221F69 #312D98 #423DC5 #706CD3

Accessibility & contrast

On white

10.72

#312D98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#312D98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312D98

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312D98	#FFFFFF	#000000	##FFFFFF
##312D98	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439B

Deuteranopia (green-blind)

#003996

Tritanopia (blue-blind)

#004A5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #312d98;
/* rgb */ color: rgb(49, 45, 152);
/* oklch */ color: oklch(37.9% 0.168 276.4);

Tailwind

colors: {
  custom: {
    50: '#7767b7',
    500: '#312d98',
    950: '#000000',
  },
}

SCSS

$custom: #312d98;
$custom-light: #7767b7;
$custom-dark: #000000;

JSON

{
  "hex": "#312d98",
  "rgb": {
    "r": 49,
    "g": 45,
    "b": 152
  },
  "hsl": {
    "h": 242.243,
    "s": 54.315,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37862,
    "c": 0.16789,
    "h": 276.4
  },
  "luminance": 0.04797
}

Semantic roles & 50–950 ramp

primary

#312D98

secondary

#B7BA66

accent

#DE4AD8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #312D98

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

Preview Lab → · Contrast checker → · Palette generator →