#3B170C#3B170C

#3B170C is a dark, moderate red. Relative luminance 0.016; OKLCH L 25.7% C 0.060 H 37.6°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#3B170C
RGB	rgb(59, 23, 12)
HSL	hsl(14, 66%, 14%)
HSV	hsv(14, 80%, 23%)
CMYK	cmyk(0%, 61%, 79.7%, 76.9%)
CIE-LAB	lab(13.04, 16.80, 14.82)
CIE-LCH	lch(13.04, 22.40, 41.41°)
OKLab	oklab(25.67% 0.0478 0.0369)
OKLCH	oklch(25.67% 0.06 37.6)
XYZ	xyz(2.1766, 1.5694, 0.5361)
Luminance	0.0157 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B170C #0C303B

analogous

#3B0C19 #3B170C #3B2F0C

triadic

#3B170C #0C3B17 #170C3B

tetradic

#3B170C #193B0C #0C303B #2F0C3B

square

#3B170C #193B0C #0C303B #2F0C3B

split-complementary

#3B170C #0C3B2F #0C193B

monochromatic

#190A05 #190A05 #3B170C #6E2B16 #A13F21

Accessibility & contrast

On white

15.98

#3B170C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3B170C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B170C

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B170C	#FFFFFF	#000000	##FFFFFF
##3B170C	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)

#211D0B

Deuteranopia (green-blind)

#29250B

Tritanopia (blue-blind)

#411015

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3b170c;
/* rgb */ color: rgb(59, 23, 12);
/* oklch */ color: oklch(25.7% 0.060 37.6);

Tailwind

colors: {
  custom: {
    50: '#74554c',
    500: '#3b170c',
    950: '#000000',
  },
}

SCSS

$custom: #3b170c;
$custom-light: #74554c;
$custom-dark: #000000;

JSON

{
  "hex": "#3b170c",
  "rgb": {
    "r": 59,
    "g": 23,
    "b": 12
  },
  "hsl": {
    "h": 14.043,
    "s": 66.197,
    "l": 13.922
  },
  "oklch": {
    "l": 0.25671,
    "c": 0.06038,
    "h": 37.6
  },
  "luminance": 0.01569
}

Semantic roles & 50–950 ramp

primary

#3B170C

secondary

#2C6577

accent

#C1E93F

background

#F7F4F4

surface

#EDE8E7

border

#C8C4C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3B170C

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

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