#31177E#31177E

#31177E is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.1% C 0.158 H 284.7°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#31177E
RGB	rgb(49, 23, 126)
HSL	hsl(255, 69%, 29%)
HSV	hsv(255, 82%, 49%)
CMYK	cmyk(61.1%, 81.7%, 0%, 50.6%)
CIE-LAB	lab(19.11, 40.16, -53.14)
CIE-LCH	lch(19.11, 66.61, 307.08°)
OKLab	oklab(32.08% 0.0401 -0.1531)
OKLCH	oklch(32.08% 0.158 284.7)
XYZ	xyz(5.3378, 2.7718, 19.9884)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31177E #647E17

analogous

#17307E #31177E #65177E

triadic

#31177E #7E3117 #177E31

tetradic

#31177E #7E1730 #647E17 #177E65

square

#31177E #7E1730 #647E17 #177E65

split-complementary

#31177E #7E6517 #307E17

monochromatic

#0A051A #1D0E4A #31177E #4520B2 #5F35DA

Accessibility & contrast

On white

13.51

#31177E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#31177E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31177E

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31177E	#FFFFFF	#000000	##FFFFFF
##31177E	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003181

Deuteranopia (green-blind)

#002B7C

Tritanopia (blue-blind)

#02364B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #31177e;
/* rgb */ color: rgb(49, 23, 126);
/* oklch */ color: oklch(32.1% 0.158 284.7);

Tailwind

colors: {
  custom: {
    50: '#7458a4',
    500: '#31177e',
    950: '#000000',
  },
}

SCSS

$custom: #31177e;
$custom-light: #7458a4;
$custom-dark: #000000;

JSON

{
  "hex": "#31177e",
  "rgb": {
    "r": 49,
    "g": 23,
    "b": 126
  },
  "hsl": {
    "h": 255.146,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32077,
    "c": 0.15831,
    "h": 284.7
  },
  "luminance": 0.02772
}

Semantic roles & 50–950 ramp

primary

#31177E

secondary

#95B33E

accent

#EC3CBF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #31177E

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

Preview Lab → · Contrast checker → · Palette generator →