#311550#311550

#311550 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.3% C 0.103 H 301.6°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#311550
RGB	rgb(49, 21, 80)
HSL	hsl(268, 58%, 20%)
HSV	hsv(268, 74%, 31%)
CMYK	cmyk(38.8%, 73.7%, 0%, 68.6%)
CIE-LAB	lab(14.22, 27.44, -30.86)
CIE-LCH	lch(14.22, 41.29, 311.64°)
OKLab	oklab(27.26% 0.0541 -0.0878)
OKLCH	oklch(27.26% 0.103 301.6)
XYZ	xyz(2.9824, 1.7685, 7.7721)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311550 #345015

analogous

#151650 #311550 #4F1550

triadic

#311550 #503115 #155031

tetradic

#311550 #501516 #345015 #15504F

square

#311550 #501516 #345015 #15504F

split-complementary

#311550 #504F15 #165015

monochromatic

#0F0618 #130820 #311550 #4F2280 #6C2EB1

Accessibility & contrast

On white

15.51

#311550 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#311550 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311550

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311550	#FFFFFF	#000000	##FFFFFF
##311550	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002452

Deuteranopia (green-blind)

#00244F

Tritanopia (blue-blind)

#2A2330

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #311550;
/* rgb */ color: rgb(49, 21, 80);
/* oklch */ color: oklch(27.3% 0.103 301.6);

Tailwind

colors: {
  custom: {
    50: '#6c5582',
    500: '#311550',
    950: '#000000',
  },
}

SCSS

$custom: #311550;
$custom-light: #6c5582;
$custom-dark: #000000;

JSON

{
  "hex": "#311550",
  "rgb": {
    "r": 49,
    "g": 21,
    "b": 80
  },
  "hsl": {
    "h": 268.475,
    "s": 58.416,
    "l": 19.804
  },
  "oklch": {
    "l": 0.27257,
    "c": 0.10312,
    "h": 301.6
  },
  "luminance": 0.01768
}

Semantic roles & 50–950 ramp

primary

#311550

secondary

#628839

accent

#E24698

background

#F6F5F7

surface

#ECE8EE

border

#C7C4C9

text

#07030A

muted

#7A787C

Preview Lab

Preview with #311550

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

Preview Lab → · Contrast checker → · Palette generator →