#310606#310606

#310606 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.8% C 0.070 H 25.7°. Best body text is #FFFFFF at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#310606
RGB	rgb(49, 6, 6)
HSL	hsl(0, 78%, 11%)
HSV	hsv(0, 88%, 19%)
CMYK	cmyk(0%, 87.8%, 87.8%, 80.8%)
CIE-LAB	lab(7.20, 21.55, 8.77)
CIE-LCH	lch(7.20, 23.26, 22.15°)
OKLab	oklab(20.81% 0.0628 0.0302)
OKLCH	oklch(20.81% 0.07 25.7)
XYZ	xyz(1.3648, 0.7966, 0.2542)
Luminance	0.0080 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310606 #063131

analogous

#31061B #310606 #311B06

triadic

#310606 #063106 #060631

tetradic

#310606 #1B3106 #063131 #1B0631

square

#310606 #1B3106 #063131 #1B0631

split-complementary

#310606 #06311B #061B31

monochromatic

#1B0303 #1B0303 #310606 #680D0D #9E1313

Accessibility & contrast

On white

18.12

#310606 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#310606 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310606

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310606	#FFFFFF	#000000	##FFFFFF
##310606	1.00	18.12	1.16	18.12
#FFFFFF	18.12	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#121006

Deuteranopia (green-blind)

#1D1905

Tritanopia (blue-blind)

#370006

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #310606;
/* rgb */ color: rgb(49, 6, 6);
/* oklch */ color: oklch(20.8% 0.070 25.7);

Tailwind

colors: {
  custom: {
    50: '#6d4949',
    500: '#310606',
    950: '#000000',
  },
}

SCSS

$custom: #310606;
$custom-light: #6d4949;
$custom-dark: #000000;

JSON

{
  "hex": "#310606",
  "rgb": {
    "r": 49,
    "g": 6,
    "b": 6
  },
  "hsl": {
    "h": 0,
    "s": 78.182,
    "l": 10.784
  },
  "oklch": {
    "l": 0.20808,
    "c": 0.06963,
    "h": 25.7
  },
  "luminance": 0.00796
}

Semantic roles & 50–950 ramp

primary

#310606

secondary

#217272

accent

#F5F533

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #310606

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

Preview Lab → · Contrast checker → · Palette generator →