#311A7E#311A7E

#311A7E is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.155 H 284.2°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#311A7E
RGB	rgb(49, 26, 126)
HSL	hsl(254, 66%, 30%)
HSV	hsv(254, 79%, 49%)
CMYK	cmyk(61.1%, 79.4%, 0%, 50.6%)
CIE-LAB	lab(19.63, 38.65, -52.28)
CIE-LCH	lch(19.63, 65.01, 306.48°)
OKLab	oklab(32.44% 0.0381 -0.1506)
OKLCH	oklch(32.44% 0.155 284.2)
XYZ	xyz(5.4008, 2.8978, 20.0094)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A7E #677E1A

analogous

#1A357E #311A7E #631A7E

triadic

#311A7E #7E311A #1A7E31

tetradic

#311A7E #7E1A35 #677E1A #1A7E63

square

#311A7E #7E1A35 #677E1A #1A7E63

split-complementary

#311A7E #7E631A #357E1A

monochromatic

#0A0519 #1D104B #311A7E #4524B1 #5F3CD7

Accessibility & contrast

On white

13.29

#311A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#311A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A7E

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A7E	#FFFFFF	#000000	##FFFFFF
##311A7E	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003281

Deuteranopia (green-blind)

#002C7C

Tritanopia (blue-blind)

#02374B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #311a7e;
/* rgb */ color: rgb(49, 26, 126);
/* oklch */ color: oklch(32.4% 0.155 284.2);

Tailwind

colors: {
  custom: {
    50: '#745aa4',
    500: '#311a7e',
    950: '#000000',
  },
}

SCSS

$custom: #311a7e;
$custom-light: #745aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#311a7e",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 126
  },
  "hsl": {
    "h": 253.8,
    "s": 65.789,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32443,
    "c": 0.15538,
    "h": 284.2
  },
  "luminance": 0.02898
}

Semantic roles & 50–950 ramp

primary

#311A7E

secondary

#98B242

accent

#E93FC2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311A7E

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

Preview Lab → · Contrast checker → · Palette generator →