#310501#310501

#310501 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.5% C 0.073 H 32.6°. Best body text is #FFFFFF at 18.22:1 contrast (WCAG AA passes).

Color values

HEX	#310501
RGB	rgb(49, 5, 1)
HSL	hsl(5, 96%, 10%)
HSV	hsv(5, 98%, 19%)
CMYK	cmyk(0%, 89.8%, 98%, 80.8%)
CIE-LAB	lab(6.90, 21.67, 10.38)
CIE-LCH	lch(6.90, 24.03, 25.58°)
OKLab	oklab(20.54% 0.0612 0.0391)
OKLCH	oklch(20.54% 0.073 32.6)
XYZ	xyz(1.3265, 0.7639, 0.1063)
Luminance	0.0076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310501 #012D31

analogous

#310115 #310501 #311D01

triadic

#310501 #013105 #050131

tetradic

#310501 #153101 #012D31 #1D0131

square

#310501 #153101 #012D31 #1D0131

split-complementary

#310501 #01311D #011531

monochromatic

#1E0301 #1E0301 #310501 #6D0B02 #A91103

Accessibility & contrast

On white

18.22

#310501 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#310501 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310501

18.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310501	#FFFFFF	#000000	##FFFFFF
##310501	1.00	18.22	1.15	18.22
#FFFFFF	18.22	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#120F00

Deuteranopia (green-blind)

#1D1900

Tritanopia (blue-blind)

#370004

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #310501;
/* rgb */ color: rgb(49, 5, 1);
/* oklch */ color: oklch(20.5% 0.073 32.6);

Tailwind

colors: {
  custom: {
    50: '#6d4947',
    500: '#310501',
    950: '#000000',
  },
}

SCSS

$custom: #310501;
$custom-light: #6d4947;
$custom-dark: #000000;

JSON

{
  "hex": "#310501",
  "rgb": {
    "r": 49,
    "g": 5,
    "b": 1
  },
  "hsl": {
    "h": 5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.20535,
    "c": 0.07265,
    "h": 32.6
  },
  "luminance": 0.00764
}

Semantic roles & 50–950 ramp

primary

#310501

secondary

#176F77

accent

#EDFF29

background

#F6F4F3

surface

#ECE7E5

border

#C7C3C1

text

#070100

muted

#7A7777

Preview Lab

Preview with #310501

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

Preview Lab → · Contrast checker → · Palette generator →