#311E7B#311E7B

#311E7B is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.7% C 0.147 H 284.1°. Best body text is #FFFFFF at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#311E7B
RGB	rgb(49, 30, 123)
HSL	hsl(252, 61%, 30%)
HSV	hsv(252, 76%, 48%)
CMYK	cmyk(60.2%, 75.6%, 0%, 51.8%)
CIE-LAB	lab(20.09, 35.53, -49.61)
CIE-LCH	lch(20.09, 61.02, 305.61°)
OKLab	oklab(32.67% 0.0358 -0.1429)
OKLCH	oklch(32.67% 0.147 284.1)
XYZ	xyz(5.3050, 3.0112, 19.0367)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E7B #687B1E

analogous

#1E3A7B #311E7B #5F1E7B

triadic

#311E7B #7B311E #1E7B31

tetradic

#311E7B #7B1E3A #687B1E #1E7B5F

square

#311E7B #7B1E3A #687B1E #1E7B5F

split-complementary

#311E7B #7B5F1E #3A7B1E

monochromatic

#0A0619 #1D124A #311E7B #452AAC #6042D1

Accessibility & contrast

On white

13.11

#311E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#311E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E7B

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E7B	#FFFFFF	#000000	##FFFFFF
##311E7B	1.00	13.11	1.60	13.11
#FFFFFF	13.11	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002D79

Tritanopia (blue-blind)

#07384A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #311e7b;
/* rgb */ color: rgb(49, 30, 123);
/* oklch */ color: oklch(32.7% 0.147 284.1);

Tailwind

colors: {
  custom: {
    50: '#735ca2',
    500: '#311e7b',
    950: '#000000',
  },
}

SCSS

$custom: #311e7b;
$custom-light: #735ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#311e7b",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 123
  },
  "hsl": {
    "h": 252.258,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.32673,
    "c": 0.14731,
    "h": 284.1
  },
  "luminance": 0.03012
}

Semantic roles & 50–950 ramp

primary

#311E7B

secondary

#99AE46

accent

#E444C3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311E7B

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

Preview Lab → · Contrast checker → · Palette generator →