#5B1C0F#5B1C0F

#5B1C0F is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.5% C 0.095 H 33.4°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#5B1C0F
RGB	rgb(91, 28, 15)
HSL	hsl(10, 72%, 21%)
HSV	hsv(10, 84%, 36%)
CMYK	cmyk(0%, 69.2%, 83.5%, 64.3%)
CIE-LAB	lab(20.40, 28.13, 23.81)
CIE-LCH	lch(20.40, 36.85, 40.24°)
OKLab	oklab(32.45% 0.0796 0.0526)
OKLCH	oklch(32.45% 0.095 33.4)
XYZ	xyz(4.8164, 3.0898, 0.7946)
Luminance	0.0309 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1C0F #0F4E5B

analogous

#5B0F28 #5B1C0F #5B420F

triadic

#5B1C0F #0F5B1C #1C0F5B

tetradic

#5B1C0F #285B0F #0F4E5B #420F5B

square

#5B1C0F #285B0F #0F4E5B #420F5B

split-complementary

#5B1C0F #0F5B42 #0F285B

monochromatic

#1A0804 #260C06 #5B1C0F #902C18 #C43C20

Accessibility & contrast

On white

12.98

#5B1C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#5B1C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1C0F

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1C0F	#FFFFFF	#000000	##FFFFFF
##5B1C0F	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E280D

Deuteranopia (green-blind)

#3D360D

Tritanopia (blue-blind)

#650B19

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #5b1c0f;
/* rgb */ color: rgb(91, 28, 15);
/* oklch */ color: oklch(32.5% 0.095 33.4);

Tailwind

colors: {
  custom: {
    50: '#905c4e',
    500: '#5b1c0f',
    950: '#000000',
  },
}

SCSS

$custom: #5b1c0f;
$custom-light: #905c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1c0f",
  "rgb": {
    "r": 91,
    "g": 28,
    "b": 15
  },
  "hsl": {
    "h": 10.263,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.3245,
    "c": 0.09545,
    "h": 33.4
  },
  "luminance": 0.03089
}

Semantic roles & 50–950 ramp

primary

#5B1C0F

secondary

#318495

accent

#CFEE39

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0401

muted

#7E7977

Preview Lab

Preview with #5B1C0F

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

Preview Lab → · Contrast checker → · Palette generator →