#311574#311574

#311574 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.8% C 0.148 H 287.6°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#311574
RGB	rgb(49, 21, 116)
HSL	hsl(258, 69%, 27%)
HSV	hsv(258, 82%, 45%)
CMYK	cmyk(57.8%, 81.9%, 0%, 54.5%)
CIE-LAB	lab(17.69, 38.12, -49.07)
CIE-LCH	lch(17.69, 62.14, 307.85°)
OKLab	oklab(30.77% 0.0448 -0.1412)
OKLCH	oklch(30.77% 0.148 287.6)
XYZ	xyz(4.6862, 2.4500, 16.7456)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311574 #587415

analogous

#152974 #311574 #611574

triadic

#311574 #743115 #157431

tetradic

#311574 #741529 #587415 #157461

square

#311574 #741529 #587415 #157461

split-complementary

#311574 #746115 #297415

monochromatic

#0B051A #1B0C40 #311574 #471EA8 #5E2BD9

Accessibility & contrast

On white

14.09

#311574 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#311574 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311574

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311574	#FFFFFF	#000000	##FFFFFF
##311574	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D77

Deuteranopia (green-blind)

#002972

Tritanopia (blue-blind)

#143144

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #311574;
/* rgb */ color: rgb(49, 21, 116);
/* oklch */ color: oklch(30.8% 0.148 287.6);

Tailwind

colors: {
  custom: {
    50: '#72569d',
    500: '#311574',
    950: '#000000',
  },
}

SCSS

$custom: #311574;
$custom-light: #72569d;
$custom-dark: #000000;

JSON

{
  "hex": "#311574",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 116
  },
  "hsl": {
    "h": 257.684,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.3077,
    "c": 0.14815,
    "h": 287.6
  },
  "luminance": 0.0245
}

Semantic roles & 50–950 ramp

primary

#311574

secondary

#89AA3B

accent

#EC3CB8

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09030E

muted

#7B787E

Preview Lab

Preview with #311574

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

Preview Lab → · Contrast checker → · Palette generator →