#312F96#312F96

#312F96 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.163 H 276.2°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#312F96
RGB	rgb(49, 47, 150)
HSL	hsl(241, 52%, 39%)
HSV	hsv(241, 69%, 59%)
CMYK	cmyk(67.3%, 68.7%, 0%, 41.2%)
CIE-LAB	lab(26.41, 34.35, -56.12)
CIE-LCH	lch(26.41, 65.80, 301.47°)
OKLab	oklab(38% 0.0175 -0.162)
OKLCH	oklch(38% 0.163 276.2)
XYZ	xyz(7.7864, 4.8873, 29.3813)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312F96 #94962F

analogous

#2F6096 #312F96 #642F96

triadic

#312F96 #96312F #2F9631

tetradic

#312F96 #962F60 #94962F #2F9664

square

#312F96 #962F60 #94962F #2F9664

split-complementary

#312F96 #96642F #60962F

monochromatic

#131239 #222067 #312F96 #423FC3 #706ED2

Accessibility & contrast

On white

10.62

#312F96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#312F96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312F96

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312F96	#FFFFFF	#000000	##FFFFFF
##312F96	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004399

Deuteranopia (green-blind)

#003A94

Tritanopia (blue-blind)

#004A5E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #312f96;
/* rgb */ color: rgb(49, 47, 150);
/* oklch */ color: oklch(38.0% 0.163 276.2);

Tailwind

colors: {
  custom: {
    50: '#7768b6',
    500: '#312f96',
    950: '#000000',
  },
}

SCSS

$custom: #312f96;
$custom-light: #7768b6;
$custom-dark: #000000;

JSON

{
  "hex": "#312f96",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 150
  },
  "hsl": {
    "h": 241.165,
    "s": 52.284,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37995,
    "c": 0.16293,
    "h": 276.2
  },
  "luminance": 0.04888
}

Semantic roles & 50–950 ramp

primary

#312F96

secondary

#B7B968

accent

#DC4CD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #312F96

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

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