#311380#311380

#311380 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.9% C 0.164 H 284.8°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#311380
RGB	rgb(49, 19, 128)
HSL	hsl(257, 74%, 29%)
HSV	hsv(257, 85%, 50%)
CMYK	cmyk(61.7%, 85.2%, 0%, 49.8%)
CIE-LAB	lab(18.70, 42.58, -55.08)
CIE-LCH	lch(18.70, 69.62, 307.71°)
OKLab	oklab(31.86% 0.0418 -0.1587)
OKLCH	oklch(31.86% 0.164 284.8)
XYZ	xyz(5.3946, 2.6769, 20.6503)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311380 #628013

analogous

#132C80 #311380 #681380

triadic

#311380 #803113 #138031

tetradic

#311380 #80132C #628013 #138068

square

#311380 #80132C #628013 #138068

split-complementary

#311380 #806813 #2C8013

monochromatic

#0A041B #1D0B4B #311380 #451BB5 #5F2DE0

Accessibility & contrast

On white

13.68

#311380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#311380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311380

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311380	#FFFFFF	#000000	##FFFFFF
##311380	1.00	13.68	1.54	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003083

Deuteranopia (green-blind)

#002A7E

Tritanopia (blue-blind)

#00354B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #311380;
/* rgb */ color: rgb(49, 19, 128);
/* oklch */ color: oklch(31.9% 0.164 284.8);

Tailwind

colors: {
  custom: {
    50: '#7556a6',
    500: '#311380',
    950: '#000000',
  },
}

SCSS

$custom: #311380;
$custom-light: #7556a6;
$custom-dark: #000000;

JSON

{
  "hex": "#311380",
  "rgb": {
    "r": 49,
    "g": 19,
    "b": 128
  },
  "hsl": {
    "h": 256.514,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31863,
    "c": 0.16417,
    "h": 284.8
  },
  "luminance": 0.02677
}

Semantic roles & 50–950 ramp

primary

#311380

secondary

#93B539

accent

#F137BE

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #311380

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

Preview Lab → · Contrast checker → · Palette generator →