#312557#312557

#312557 is a dark, moderate violet. Relative luminance 0.027; OKLCH L 30.7% C 0.087 H 291.5°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#312557
RGB	rgb(49, 37, 87)
HSL	hsl(254, 40%, 24%)
HSV	hsv(254, 57%, 34%)
CMYK	cmyk(43.7%, 57.5%, 0%, 65.9%)
CIE-LAB	lab(18.65, 19.33, -28.46)
CIE-LCH	lch(18.65, 34.40, 304.18°)
OKLab	oklab(30.66% 0.0318 -0.0808)
OKLCH	oklch(30.66% 0.087 291.5)
XYZ	xyz(3.6480, 2.6641, 9.3370)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312557 #4B5725

analogous

#253257 #312557 #4A2557

triadic

#312557 #573125 #255731

tetradic

#312557 #572532 #4B5725 #25574A

square

#312557 #572532 #4B5725 #25574A

split-complementary

#312557 #574A25 #325725

monochromatic

#0C0915 #19132C #312557 #493782 #614AAD

Accessibility & contrast

On white

13.70

#312557 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#312557 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312557

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312557	#FFFFFF	#000000	##FFFFFF
##312557	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F2E59

Deuteranopia (green-blind)

#112C56

Tritanopia (blue-blind)

#272F3A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #312557;
/* rgb */ color: rgb(49, 37, 87);
/* oklch */ color: oklch(30.7% 0.087 291.5);

Tailwind

colors: {
  custom: {
    50: '#6c6087',
    500: '#312557',
    950: '#000000',
  },
}

SCSS

$custom: #312557;
$custom-light: #6c6087;
$custom-dark: #000000;

JSON

{
  "hex": "#312557",
  "rgb": {
    "r": 49,
    "g": 37,
    "b": 87
  },
  "hsl": {
    "h": 254.4,
    "s": 40.323,
    "l": 24.314
  },
  "oklch": {
    "l": 0.30662,
    "c": 0.08682,
    "h": 291.5
  },
  "luminance": 0.02664
}

Semantic roles & 50–950 ramp

primary

#312557

secondary

#7C8A4D

accent

#D058B3

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#07040B

muted

#7A797C

Preview Lab

Preview with #312557

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

Preview Lab → · Contrast checker → · Palette generator →