#3B170D#3B170D

#3B170D is a dark, muted red. Relative luminance 0.016; OKLCH L 25.7% C 0.060 H 36.4°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#3B170D
RGB	rgb(59, 23, 13)
HSL	hsl(13, 64%, 14%)
HSV	hsv(13, 78%, 23%)
CMYK	cmyk(0%, 61%, 78%, 76.9%)
CIE-LAB	lab(13.06, 16.87, 14.37)
CIE-LCH	lch(13.06, 22.17, 40.42°)
OKLab	oklab(25.69% 0.0483 0.0356)
OKLCH	oklch(25.69% 0.06 36.4)
XYZ	xyz(2.1829, 1.5719, 0.5692)
Luminance	0.0157 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B170D #0D313B

analogous

#3B0D1A #3B170D #3B2E0D

triadic

#3B170D #0D3B17 #170D3B

tetradic

#3B170D #1A3B0D #0D313B #2E0D3B

square

#3B170D #1A3B0D #0D313B #2E0D3B

split-complementary

#3B170D #0D3B2E #0D1A3B

monochromatic

#190A06 #190A06 #3B170D #6D2B18 #9F3E23

Accessibility & contrast

On white

15.98

#3B170D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3B170D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B170D

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B170D	#FFFFFF	#000000	##FFFFFF
##3B170D	1.00	15.98	1.31	15.98
#FFFFFF	15.98	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211D0C

Deuteranopia (green-blind)

#29250C

Tritanopia (blue-blind)

#411015

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3b170d;
/* rgb */ color: rgb(59, 23, 13);
/* oklch */ color: oklch(25.7% 0.060 36.4);

Tailwind

colors: {
  custom: {
    50: '#74554c',
    500: '#3b170d',
    950: '#000000',
  },
}

SCSS

$custom: #3b170d;
$custom-light: #74554c;
$custom-dark: #000000;

JSON

{
  "hex": "#3b170d",
  "rgb": {
    "r": 59,
    "g": 23,
    "b": 13
  },
  "hsl": {
    "h": 13.043,
    "s": 63.889,
    "l": 14.118
  },
  "oklch": {
    "l": 0.25687,
    "c": 0.05999,
    "h": 36.4
  },
  "luminance": 0.01572
}

Semantic roles & 50–950 ramp

primary

#3B170D

secondary

#2D6777

accent

#C3E741

background

#F7F4F4

surface

#EDE8E7

border

#C8C4C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3B170D

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

Preview Lab → · Contrast checker → · Palette generator →