#311570#311570

#311570 is a dark, vivid violet. Relative luminance 0.024; OKLCH L 30.3% C 0.143 H 288.8°. Best body text is #FFFFFF at 14.27:1 contrast (WCAG AA passes).

Color values

HEX	#311570
RGB	rgb(49, 21, 112)
HSL	hsl(258, 68%, 26%)
HSV	hsv(258, 81%, 44%)
CMYK	cmyk(56.3%, 81.2%, 0%, 56.1%)
CIE-LAB	lab(17.27, 36.93, -47.17)
CIE-LCH	lch(17.27, 59.91, 308.05°)
OKLab	oklab(30.35% 0.0461 -0.1357)
OKLCH	oklch(30.35% 0.143 288.8)
XYZ	xyz(4.4586, 2.3589, 15.5465)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311570 #547015

analogous

#152670 #311570 #5E1570

triadic

#311570 #703115 #157031

tetradic

#311570 #701526 #547015 #15705E

square

#311570 #701526 #547015 #15705E

split-complementary

#311570 #705E15 #267015

monochromatic

#0B051A #1A0B3C #311570 #481FA4 #5E29D7

Accessibility & contrast

On white

14.27

#311570 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#311570 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311570

14.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311570	#FFFFFF	#000000	##FFFFFF
##311570	1.00	14.27	1.47	14.27
#FFFFFF	14.27	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C73

Deuteranopia (green-blind)

#00286E

Tritanopia (blue-blind)

#182F42

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #311570;
/* rgb */ color: rgb(49, 21, 112);
/* oklch */ color: oklch(30.3% 0.143 288.8);

Tailwind

colors: {
  custom: {
    50: '#71569a',
    500: '#311570',
    950: '#000000',
  },
}

SCSS

$custom: #311570;
$custom-light: #71569a;
$custom-dark: #000000;

JSON

{
  "hex": "#311570",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 112
  },
  "hsl": {
    "h": 258.462,
    "s": 68.421,
    "l": 26.078
  },
  "oklch": {
    "l": 0.30348,
    "c": 0.14331,
    "h": 288.8
  },
  "luminance": 0.02359
}

Semantic roles & 50–950 ramp

primary

#311570

secondary

#85A63B

accent

#EB3DB6

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08030E

muted

#7B787E

Preview Lab

Preview with #311570

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

Preview Lab → · Contrast checker → · Palette generator →