#311E87#311E87

#311E87 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.162 H 281.6°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#311E87
RGB	rgb(49, 30, 135)
HSL	hsl(251, 64%, 32%)
HSV	hsv(251, 78%, 53%)
CMYK	cmyk(63.7%, 77.8%, 0%, 47.1%)
CIE-LAB	lab(21.32, 39.35, -55.17)
CIE-LCH	lch(21.32, 67.77, 305.50°)
OKLab	oklab(33.91% 0.0328 -0.1592)
OKLCH	oklch(33.91% 0.162 281.6)
XYZ	xyz(6.1027, 3.3303, 23.2382)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E87 #74871E

analogous

#1E4087 #311E87 #651E87

triadic

#311E87 #87311E #1E8731

tetradic

#311E87 #871E40 #74871E #1E8765

square

#311E87 #871E40 #74871E #1E8765

split-complementary

#311E87 #87651E #40871E

monochromatic

#0D0823 #1F1355 #311E87 #4329B9 #6349D7

Accessibility & contrast

On white

12.60

#311E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#311E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E87

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E87	#FFFFFF	#000000	##FFFFFF
##311E87	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378A

Deuteranopia (green-blind)

#002F85

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #311e87;
/* rgb */ color: rgb(49, 30, 135);
/* oklch */ color: oklch(33.9% 0.162 281.6);

Tailwind

colors: {
  custom: {
    50: '#755dab',
    500: '#311e87',
    950: '#000000',
  },
}

SCSS

$custom: #311e87;
$custom-light: #755dab;
$custom-dark: #000000;

JSON

{
  "hex": "#311e87",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 135
  },
  "hsl": {
    "h": 250.857,
    "s": 63.636,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33914,
    "c": 0.16248,
    "h": 281.6
  },
  "luminance": 0.03331
}

Semantic roles & 50–950 ramp

primary

#311E87

secondary

#A4B948

accent

#E741C9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #311E87

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

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