#311E72#311E72

#311E72 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.8% C 0.136 H 286.2°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#311E72
RGB	rgb(49, 30, 114)
HSL	hsl(254, 58%, 28%)
HSV	hsv(254, 74%, 45%)
CMYK	cmyk(57%, 73.7%, 0%, 55.3%)
CIE-LAB	lab(19.21, 32.63, -45.28)
CIE-LCH	lch(19.21, 55.82, 305.78°)
OKLab	oklab(31.78% 0.0378 -0.1302)
OKLCH	oklch(31.78% 0.136 286.2)
XYZ	xyz(4.7672, 2.7962, 16.2048)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E72 #5F721E

analogous

#1E3572 #311E72 #5B1E72

triadic

#311E72 #72311E #1E7231

tetradic

#311E72 #721E35 #5F721E #1E725B

square

#311E72 #721E35 #5F721E #1E725B

split-complementary

#311E72 #725B1E #35721E

monochromatic

#0A0618 #1C1142 #311E72 #462BA2 #5E3ECC

Accessibility & contrast

On white

13.47

#311E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#311E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E72

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E72	#FFFFFF	#000000	##FFFFFF
##311E72	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003175

Deuteranopia (green-blind)

#002C70

Tritanopia (blue-blind)

#153445

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #311e72;
/* rgb */ color: rgb(49, 30, 114);
/* oklch */ color: oklch(31.8% 0.136 286.2);

Tailwind

colors: {
  custom: {
    50: '#715c9b',
    500: '#311e72',
    950: '#000000',
  },
}

SCSS

$custom: #311e72;
$custom-light: #715c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#311e72",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 114
  },
  "hsl": {
    "h": 253.571,
    "s": 58.333,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31778,
    "c": 0.1356,
    "h": 286.2
  },
  "luminance": 0.02796
}

Semantic roles & 50–950 ramp

primary

#311E72

secondary

#90A646

accent

#E246BE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #311E72

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

Preview Lab → · Contrast checker → · Palette generator →