#312D95#312D95

#312D95 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.164 H 276.7°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#312D95
RGB	rgb(49, 45, 149)
HSL	hsl(242, 54%, 38%)
HSV	hsv(242, 70%, 58%)
CMYK	cmyk(67.1%, 69.8%, 0%, 41.6%)
CIE-LAB	lab(25.86, 35.24, -56.41)
CIE-LCH	lch(25.86, 66.51, 302.00°)
OKLab	oklab(37.57% 0.0192 -0.1628)
OKLCH	oklch(37.57% 0.164 276.7)
XYZ	xyz(7.6281, 4.6990, 28.9330)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312D95 #91952D

analogous

#2D5D95 #312D95 #652D95

triadic

#312D95 #95312D #2D9531

tetradic

#312D95 #952D5D #91952D #2D9565

square

#312D95 #952D5D #91952D #2D9565

split-complementary

#312D95 #95652D #5D952D

monochromatic

#121137 #221F66 #312D95 #413BC4 #6E6AD2

Accessibility & contrast

On white

10.82

#312D95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#312D95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312D95

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312D95	#FFFFFF	#000000	##FFFFFF
##312D95	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004298

Deuteranopia (green-blind)

#003993

Tritanopia (blue-blind)

#00495D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #312d95;
/* rgb */ color: rgb(49, 45, 149);
/* oklch */ color: oklch(37.6% 0.164 276.7);

Tailwind

colors: {
  custom: {
    50: '#7767b5',
    500: '#312d95',
    950: '#000000',
  },
}

SCSS

$custom: #312d95;
$custom-light: #7767b5;
$custom-dark: #000000;

JSON

{
  "hex": "#312d95",
  "rgb": {
    "r": 49,
    "g": 45,
    "b": 149
  },
  "hsl": {
    "h": 242.308,
    "s": 53.608,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37568,
    "c": 0.16395,
    "h": 276.7
  },
  "luminance": 0.047
}

Semantic roles & 50–950 ramp

primary

#312D95

secondary

#B6B965

accent

#DD4BD7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #312D95

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

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