#311657#311657

#311657 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 28.0% C 0.111 H 297.8°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#311657
RGB	rgb(49, 22, 87)
HSL	hsl(265, 60%, 21%)
HSV	hsv(265, 75%, 34%)
CMYK	cmyk(43.7%, 74.7%, 0%, 65.9%)
CIE-LAB	lab(15.03, 28.91, -34.29)
CIE-LCH	lch(15.03, 44.85, 310.13°)
OKLab	oklab(28.03% 0.0517 -0.0979)
OKLCH	oklch(28.03% 0.111 297.8)
XYZ	xyz(3.2734, 1.9149, 9.2121)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311657 #3C5716

analogous

#161C57 #311657 #521657

triadic

#311657 #573116 #165731

tetradic

#311657 #57161C #3C5716 #165752

square

#311657 #57161C #3C5716 #165752

split-complementary

#311657 #575216 #1C5716

monochromatic

#0E0618 #150A26 #311657 #4D2288 #682FB9

Accessibility & contrast

On white

15.18

#311657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#311657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311657

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311657	#FFFFFF	#000000	##FFFFFF
##311657	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002659

Deuteranopia (green-blind)

#002556

Tritanopia (blue-blind)

#282634

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #311657;
/* rgb */ color: rgb(49, 22, 87);
/* oklch */ color: oklch(28.0% 0.111 297.8);

Tailwind

colors: {
  custom: {
    50: '#6d5587',
    500: '#311657',
    950: '#000000',
  },
}

SCSS

$custom: #311657;
$custom-light: #6d5587;
$custom-dark: #000000;

JSON

{
  "hex": "#311657",
  "rgb": {
    "r": 49,
    "g": 22,
    "b": 87
  },
  "hsl": {
    "h": 264.923,
    "s": 59.633,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28028,
    "c": 0.11072,
    "h": 297.8
  },
  "luminance": 0.01915
}

Semantic roles & 50–950 ramp

primary

#311657

secondary

#6B8E3A

accent

#E345A1

background

#F6F5F8

surface

#ECE9EF

border

#C7C5CA

text

#07030B

muted

#7A787C

Preview Lab

Preview with #311657

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

Preview Lab → · Contrast checker → · Palette generator →