#311651#311651

#311651 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.5% C 0.103 H 300.8°. Best body text is #FFFFFF at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#311651
RGB	rgb(49, 22, 81)
HSL	hsl(267, 57%, 20%)
HSV	hsv(267, 73%, 32%)
CMYK	cmyk(39.5%, 72.8%, 0%, 68.2%)
CIE-LAB	lab(14.52, 27.15, -31.06)
CIE-LCH	lch(14.52, 41.25, 311.15°)
OKLab	oklab(27.5% 0.0527 -0.0884)
OKLCH	oklch(27.5% 0.103 300.8)
XYZ	xyz(3.0384, 1.8208, 7.9744)
Luminance	0.0182 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311651 #365116

analogous

#161851 #311651 #4F1651

triadic

#311651 #513116 #165131

tetradic

#311651 #511618 #365116 #16514F

square

#311651 #511618 #365116 #16514F

split-complementary

#311651 #514F16 #185116

monochromatic

#0F0718 #140921 #311651 #4E2381 #6B30B1

Accessibility & contrast

On white

15.39

#311651 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#311651 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311651

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311651	#FFFFFF	#000000	##FFFFFF
##311651	1.00	15.39	1.36	15.39
#FFFFFF	15.39	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002453

Deuteranopia (green-blind)

#002450

Tritanopia (blue-blind)

#2A2331

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #311651;
/* rgb */ color: rgb(49, 22, 81);
/* oklch */ color: oklch(27.5% 0.103 300.8);

Tailwind

colors: {
  custom: {
    50: '#6c5582',
    500: '#311651',
    950: '#000000',
  },
}

SCSS

$custom: #311651;
$custom-light: #6c5582;
$custom-dark: #000000;

JSON

{
  "hex": "#311651",
  "rgb": {
    "r": 49,
    "g": 22,
    "b": 81
  },
  "hsl": {
    "h": 267.458,
    "s": 57.282,
    "l": 20.196
  },
  "oklch": {
    "l": 0.27496,
    "c": 0.10291,
    "h": 300.8
  },
  "luminance": 0.01821
}

Semantic roles & 50–950 ramp

primary

#311651

secondary

#65883A

accent

#E1479A

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030A

muted

#7A787C

Preview Lab

Preview with #311651

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

Preview Lab → · Contrast checker → · Palette generator →