#311A7D#311A7D

#311A7D is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.3% C 0.154 H 284.4°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#311A7D
RGB	rgb(49, 26, 125)
HSL	hsl(254, 66%, 30%)
HSV	hsv(254, 79%, 49%)
CMYK	cmyk(60.8%, 79.2%, 0%, 51%)
CIE-LAB	lab(19.52, 38.34, -51.81)
CIE-LCH	lch(19.52, 64.46, 306.50°)
OKLab	oklab(32.34% 0.0384 -0.1493)
OKLCH	oklch(32.34% 0.154 284.4)
XYZ	xyz(5.3366, 2.8721, 19.6712)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A7D #667D1A

analogous

#1A357D #311A7D #621A7D

triadic

#311A7D #7D311A #1A7D31

tetradic

#311A7D #7D1A35 #667D1A #1A7D62

square

#311A7D #7D1A35 #667D1A #1A7D62

split-complementary

#311A7D #7D621A #357D1A

monochromatic

#0A0519 #1D0F4A #311A7D #4525B0 #5F3BD6

Accessibility & contrast

On white

13.34

#311A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#311A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A7D

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A7D	#FFFFFF	#000000	##FFFFFF
##311A7D	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#002C7B

Tritanopia (blue-blind)

#04364B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #311a7d;
/* rgb */ color: rgb(49, 26, 125);
/* oklch */ color: oklch(32.3% 0.154 284.4);

Tailwind

colors: {
  custom: {
    50: '#735aa4',
    500: '#311a7d',
    950: '#000000',
  },
}

SCSS

$custom: #311a7d;
$custom-light: #735aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#311a7d",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 125
  },
  "hsl": {
    "h": 253.939,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.32337,
    "c": 0.15415,
    "h": 284.4
  },
  "luminance": 0.02872
}

Semantic roles & 50–950 ramp

primary

#311A7D

secondary

#97B142

accent

#E93FC1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311A7D

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

Preview Lab → · Contrast checker → · Palette generator →