#311E88#311E88

#311E88 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.0% C 0.164 H 281.4°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#311E88
RGB	rgb(49, 30, 136)
HSL	hsl(251, 64%, 33%)
HSV	hsv(251, 78%, 53%)
CMYK	cmyk(64%, 77.9%, 0%, 46.7%)
CIE-LAB	lab(21.43, 39.67, -55.63)
CIE-LCH	lch(21.43, 68.32, 305.49°)
OKLab	oklab(34.02% 0.0325 -0.1605)
OKLCH	oklch(34.02% 0.164 281.4)
XYZ	xyz(6.1734, 3.3586, 23.6107)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E88 #75881E

analogous

#1E4088 #311E88 #661E88

triadic

#311E88 #88311E #1E8831

tetradic

#311E88 #881E40 #75881E #1E8866

square

#311E88 #881E40 #75881E #1E8866

split-complementary

#311E88 #88661E #40881E

monochromatic

#0D0824 #1F1356 #311E88 #4329BA #6349D7

Accessibility & contrast

On white

12.56

#311E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#311E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E88

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E88	#FFFFFF	#000000	##FFFFFF
##311E88	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378B

Deuteranopia (green-blind)

#003086

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #311e88;
/* rgb */ color: rgb(49, 30, 136);
/* oklch */ color: oklch(34.0% 0.164 281.4);

Tailwind

colors: {
  custom: {
    50: '#755dac',
    500: '#311e88',
    950: '#000000',
  },
}

SCSS

$custom: #311e88;
$custom-light: #755dac;
$custom-dark: #000000;

JSON

{
  "hex": "#311e88",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 136
  },
  "hsl": {
    "h": 250.755,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.3402,
    "c": 0.16373,
    "h": 281.4
  },
  "luminance": 0.03359
}

Semantic roles & 50–950 ramp

primary

#311E88

secondary

#A5B949

accent

#E741C9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311E88

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

Preview Lab → · Contrast checker → · Palette generator →