#311E8A#311E8A

#311E8A is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.2% C 0.166 H 281.1°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#311E8A
RGB	rgb(49, 30, 138)
HSL	hsl(251, 64%, 33%)
HSV	hsv(251, 78%, 54%)
CMYK	cmyk(64.5%, 78.3%, 0%, 45.9%)
CIE-LAB	lab(21.64, 40.30, -56.53)
CIE-LCH	lch(21.64, 69.42, 305.48°)
OKLab	oklab(34.23% 0.0319 -0.1631)
OKLCH	oklch(34.23% 0.166 281.1)
XYZ	xyz(6.3169, 3.4160, 24.3663)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E8A #778A1E

analogous

#1E418A #311E8A #671E8A

triadic

#311E8A #8A311E #1E8A31

tetradic

#311E8A #8A1E41 #778A1E #1E8A67

square

#311E8A #8A1E41 #778A1E #1E8A67

split-complementary

#311E8A #8A671E #418A1E

monochromatic

#0D0825 #1F1358 #311E8A #4329BC #634BD8

Accessibility & contrast

On white

12.48

#311E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#311E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E8A

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E8A	#FFFFFF	#000000	##FFFFFF
##311E8A	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388D

Deuteranopia (green-blind)

#003088

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #311e8a;
/* rgb */ color: rgb(49, 30, 138);
/* oklch */ color: oklch(34.2% 0.166 281.1);

Tailwind

colors: {
  custom: {
    50: '#765dad',
    500: '#311e8a',
    950: '#000000',
  },
}

SCSS

$custom: #311e8a;
$custom-light: #765dad;
$custom-dark: #000000;

JSON

{
  "hex": "#311e8a",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 138
  },
  "hsl": {
    "h": 250.556,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34232,
    "c": 0.16621,
    "h": 281.1
  },
  "luminance": 0.03416
}

Semantic roles & 50–950 ramp

primary

#311E8A

secondary

#A6BA4A

accent

#E741CA

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #311E8A

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

Preview Lab → · Contrast checker → · Palette generator →