#310F50#310F50

#310F50 is a dark, moderate violet. Relative luminance 0.016; OKLCH L 26.4% C 0.111 H 303.2°. Best body text is #FFFFFF at 15.97:1 contrast (WCAG AA passes).

Color values

HEX	#310F50
RGB	rgb(49, 15, 80)
HSL	hsl(271, 68%, 19%)
HSV	hsv(271, 81%, 31%)
CMYK	cmyk(38.8%, 81.3%, 0%, 68.6%)
CIE-LAB	lab(13.07, 30.67, -32.73)
CIE-LCH	lch(13.07, 44.85, 313.14°)
OKLab	oklab(26.44% 0.0611 -0.0933)
OKLCH	oklch(26.44% 0.111 303.2)
XYZ	xyz(2.8851, 1.5738, 7.7396)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F50 #2E500F

analogous

#110F50 #310F50 #500F4E

triadic

#310F50 #50310F #0F5031

tetradic

#310F50 #50110F #2E500F #0F4E50

square

#310F50 #50110F #2E500F #0F4E50

split-complementary

#310F50 #4E500F #0F5011

monochromatic

#10051A #11051C #310F50 #511984 #7022B7

Accessibility & contrast

On white

15.97

#310F50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#310F50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F50

15.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F50	#FFFFFF	#000000	##FFFFFF
##310F50	1.00	15.97	1.31	15.97
#FFFFFF	15.97	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002152

Deuteranopia (green-blind)

#00224F

Tritanopia (blue-blind)

#2B1F2E

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #310f50;
/* rgb */ color: rgb(49, 15, 80);
/* oklch */ color: oklch(26.4% 0.111 303.2);

Tailwind

colors: {
  custom: {
    50: '#6d5182',
    500: '#310f50',
    950: '#000000',
  },
}

SCSS

$custom: #310f50;
$custom-light: #6d5182;
$custom-dark: #000000;

JSON

{
  "hex": "#310f50",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 80
  },
  "hsl": {
    "h": 271.385,
    "s": 68.421,
    "l": 18.627
  },
  "oklch": {
    "l": 0.26438,
    "c": 0.11149,
    "h": 303.2
  },
  "luminance": 0.01574
}

Semantic roles & 50–950 ramp

primary

#310F50

secondary

#5B8A31

accent

#EB3D90

background

#F6F4F8

surface

#ECE7EF

border

#C7C3CA

text

#07020A

muted

#7A787C

Preview Lab

Preview with #310F50

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

Preview Lab → · Contrast checker → · Palette generator →