#311E7A#311E7A

#311E7A is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.6% C 0.146 H 284.3°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#311E7A
RGB	rgb(49, 30, 122)
HSL	hsl(252, 61%, 30%)
HSV	hsv(252, 75%, 48%)
CMYK	cmyk(59.8%, 75.4%, 0%, 52.2%)
CIE-LAB	lab(19.99, 35.21, -49.14)
CIE-LCH	lch(19.99, 60.45, 305.62°)
OKLab	oklab(32.57% 0.036 -0.1415)
OKLCH	oklch(32.57% 0.146 284.3)
XYZ	xyz(5.2427, 2.9863, 18.7087)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E7A #677A1E

analogous

#1E397A #311E7A #5F1E7A

triadic

#311E7A #7A311E #1E7A31

tetradic

#311E7A #7A1E39 #677A1E #1E7A5F

square

#311E7A #7A1E39 #677A1E #1E7A5F

split-complementary

#311E7A #7A5F1E #397A1E

monochromatic

#0A0619 #1D1249 #311E7A #452AAB #5F42D0

Accessibility & contrast

On white

13.15

#311E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#311E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E7A

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E7A	#FFFFFF	#000000	##FFFFFF
##311E7A	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337D

Deuteranopia (green-blind)

#002D78

Tritanopia (blue-blind)

#09374A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #311e7a;
/* rgb */ color: rgb(49, 30, 122);
/* oklch */ color: oklch(32.6% 0.146 284.3);

Tailwind

colors: {
  custom: {
    50: '#725ca1',
    500: '#311e7a',
    950: '#000000',
  },
}

SCSS

$custom: #311e7a;
$custom-light: #725ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#311e7a",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 122
  },
  "hsl": {
    "h": 252.391,
    "s": 60.526,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32572,
    "c": 0.14603,
    "h": 284.3
  },
  "luminance": 0.02987
}

Semantic roles & 50–950 ramp

primary

#311E7A

secondary

#98AE46

accent

#E444C3

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #311E7A

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

Preview Lab → · Contrast checker → · Palette generator →