#311977#311977

#311977 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.6% C 0.148 H 286.1°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#311977
RGB	rgb(49, 25, 119)
HSL	hsl(255, 65%, 28%)
HSV	hsv(255, 79%, 47%)
CMYK	cmyk(58.8%, 79%, 0%, 53.3%)
CIE-LAB	lab(18.71, 37.01, -49.31)
CIE-LCH	lch(18.71, 61.65, 306.88°)
OKLab	oklab(31.58% 0.0409 -0.142)
OKLCH	oklch(31.58% 0.148 286.1)
XYZ	xyz(4.9430, 2.6799, 17.7060)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311977 #5F7719

analogous

#193077 #311977 #601977

triadic

#311977 #773119 #197731

tetradic

#311977 #771930 #5F7719 #197760

square

#311977 #771930 #5F7719 #197760

split-complementary

#311977 #776019 #307719

monochromatic

#0A0519 #1C0E44 #311977 #4624AA #5E36D5

Accessibility & contrast

On white

13.67

#311977 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#311977 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311977

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311977	#FFFFFF	#000000	##FFFFFF
##311977	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307A

Deuteranopia (green-blind)

#002B75

Tritanopia (blue-blind)

#0F3447

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #311977;
/* rgb */ color: rgb(49, 25, 119);
/* oklch */ color: oklch(31.6% 0.148 286.1);

Tailwind

colors: {
  custom: {
    50: '#72599f',
    500: '#311977',
    950: '#000000',
  },
}

SCSS

$custom: #311977;
$custom-light: #72599f;
$custom-dark: #000000;

JSON

{
  "hex": "#311977",
  "rgb": {
    "r": 49,
    "g": 25,
    "b": 119
  },
  "hsl": {
    "h": 255.319,
    "s": 65.278,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3158,
    "c": 0.14775,
    "h": 286.1
  },
  "luminance": 0.0268
}

Semantic roles & 50–950 ramp

primary

#311977

secondary

#90AC40

accent

#E840BD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #311977

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

Preview Lab → · Contrast checker → · Palette generator →