#312657#312657

#312657 is a dark, moderate violet. Relative luminance 0.027; OKLCH L 30.9% C 0.085 H 290.9°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#312657
RGB	rgb(49, 38, 87)
HSL	hsl(253, 39%, 25%)
HSV	hsv(253, 56%, 34%)
CMYK	cmyk(43.7%, 56.3%, 0%, 65.9%)
CIE-LAB	lab(18.92, 18.64, -28.03)
CIE-LCH	lch(18.92, 33.66, 303.63°)
OKLab	oklab(30.86% 0.0304 -0.0795)
OKLCH	oklch(30.86% 0.085 290.9)
XYZ	xyz(3.6796, 2.7272, 9.3475)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312657 #4C5726

analogous

#263457 #312657 #4A2657

triadic

#312657 #573126 #265731

tetradic

#312657 #572634 #4C5726 #26574A

square

#312657 #572634 #4C5726 #26574A

split-complementary

#312657 #574A26 #345726

monochromatic

#0C0915 #19132C #312657 #493982 #614BAC

Accessibility & contrast

On white

13.59

#312657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#312657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312657

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312657	#FFFFFF	#000000	##FFFFFF
##312657	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#112F59

Deuteranopia (green-blind)

#122D56

Tritanopia (blue-blind)

#27303A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #312657;
/* rgb */ color: rgb(49, 38, 87);
/* oklch */ color: oklch(30.9% 0.085 290.9);

Tailwind

colors: {
  custom: {
    50: '#6c6087',
    500: '#312657',
    950: '#000000',
  },
}

SCSS

$custom: #312657;
$custom-light: #6c6087;
$custom-dark: #000000;

JSON

{
  "hex": "#312657",
  "rgb": {
    "r": 49,
    "g": 38,
    "b": 87
  },
  "hsl": {
    "h": 253.469,
    "s": 39.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.30864,
    "c": 0.0851,
    "h": 290.9
  },
  "luminance": 0.02727
}

Semantic roles & 50–950 ramp

primary

#312657

secondary

#7D8A4F

accent

#CF59B5

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#07050B

muted

#7A797C

Preview Lab

Preview with #312657

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

Preview Lab → · Contrast checker → · Palette generator →