#310609#310609

#310609 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.9% C 0.069 H 21.4°. Best body text is #FFFFFF at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#310609
RGB	rgb(49, 6, 9)
HSL	hsl(356, 78%, 11%)
HSV	hsv(356, 88%, 19%)
CMYK	cmyk(0%, 87.8%, 81.6%, 80.8%)
CIE-LAB	lab(7.25, 21.78, 7.63)
CIE-LCH	lch(7.25, 23.08, 19.32°)
OKLab	oklab(20.88% 0.0644 0.0253)
OKLCH	oklch(20.88% 0.069 21.4)
XYZ	xyz(1.3812, 0.8031, 0.3407)
Luminance	0.0080 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310609 #06312E

analogous

#31061E #310609 #311806

triadic

#310609 #093106 #060931

tetradic

#310609 #1E3106 #06312E #180631

square

#310609 #1E3106 #06312E #180631

split-complementary

#310609 #063118 #061E31

monochromatic

#1B0305 #1B0305 #310609 #680D13 #9E131D

Accessibility & contrast

On white

18.09

#310609 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#310609 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310609

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310609	#FFFFFF	#000000	##FFFFFF
##310609	1.00	18.09	1.16	18.09
#FFFFFF	18.09	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121009

Deuteranopia (green-blind)

#1D1908

Tritanopia (blue-blind)

#370007

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #310609;
/* rgb */ color: rgb(49, 6, 9);
/* oklch */ color: oklch(20.9% 0.069 21.4);

Tailwind

colors: {
  custom: {
    50: '#6d494b',
    500: '#310609',
    950: '#000000',
  },
}

SCSS

$custom: #310609;
$custom-light: #6d494b;
$custom-dark: #000000;

JSON

{
  "hex": "#310609",
  "rgb": {
    "r": 49,
    "g": 6,
    "b": 9
  },
  "hsl": {
    "h": 355.814,
    "s": 78.182,
    "l": 10.784
  },
  "oklch": {
    "l": 0.20876,
    "c": 0.06918,
    "h": 21.4
  },
  "luminance": 0.00803
}

Semantic roles & 50–950 ramp

primary

#310609

secondary

#21726C

accent

#F5E733

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310609

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

Preview Lab → · Contrast checker → · Palette generator →