#310F43#310F43

#310F43 is a dark, moderate violet. Relative luminance 0.014; OKLCH L 25.3% C 0.096 H 311.4°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#310F43
RGB	rgb(49, 15, 67)
HSL	hsl(279, 63%, 16%)
HSV	hsv(279, 78%, 26%)
CMYK	cmyk(26.9%, 77.6%, 0%, 73.7%)
CIE-LAB	lab(11.96, 27.20, -25.51)
CIE-LCH	lch(11.96, 37.29, 316.84°)
OKLab	oklab(25.3% 0.0635 -0.072)
OKLCH	oklch(25.3% 0.096 311.4)
XYZ	xyz(2.4504, 1.3999, 5.4502)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F43 #21430F

analogous

#170F43 #310F43 #430F3B

triadic

#310F43 #43310F #0F4331

tetradic

#310F43 #43170F #21430F #0F3B43

square

#310F43 #43170F #21430F #0F3B43

split-complementary

#310F43 #3B430F #0F4317

monochromatic

#120619 #120619 #310F43 #561A75 #7A25A7

Accessibility & contrast

On white

16.41

#310F43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#310F43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F43

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F43	#FFFFFF	#000000	##FFFFFF
##310F43	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E45

Deuteranopia (green-blind)

#092042

Tritanopia (blue-blind)

#2F1A27

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #310f43;
/* rgb */ color: rgb(49, 15, 67);
/* oklch */ color: oklch(25.3% 0.096 311.4);

Tailwind

colors: {
  custom: {
    50: '#6b5077',
    500: '#310f43',
    950: '#000000',
  },
}

SCSS

$custom: #310f43;
$custom-light: #6b5077;
$custom-dark: #000000;

JSON

{
  "hex": "#310f43",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 67
  },
  "hsl": {
    "h": 279.231,
    "s": 63.415,
    "l": 16.078
  },
  "oklch": {
    "l": 0.25297,
    "c": 0.09606,
    "h": 311.4
  },
  "luminance": 0.014
}

Semantic roles & 50–950 ramp

primary

#310F43

secondary

#4B7D30

accent

#E6417B

background

#F6F4F7

surface

#EBE7ED

border

#C6C3C8

text

#070209

muted

#7A787B

Preview Lab

Preview with #310F43

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

Preview Lab → · Contrast checker → · Palette generator →