#5B2018#5B2018

#5B2018 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.2% C 0.089 H 30.2°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#5B2018
RGB	rgb(91, 32, 24)
HSL	hsl(7, 58%, 23%)
HSV	hsv(7, 74%, 36%)
CMYK	cmyk(0%, 64.8%, 73.6%, 64.3%)
CIE-LAB	lab(21.30, 26.54, 19.28)
CIE-LCH	lch(21.30, 32.80, 35.99°)
OKLab	oklab(33.16% 0.0767 0.0446)
OKLCH	oklch(33.16% 0.089 30.2)
XYZ	xyz(4.9963, 3.3238, 1.2424)
Luminance	0.0332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B2018 #18535B

analogous

#5B1832 #5B2018 #5B4118

triadic

#5B2018 #185B20 #20185B

tetradic

#5B2018 #325B18 #18535B #41185B

square

#5B2018 #325B18 #18535B #41185B

split-complementary

#5B2018 #185B41 #18325B

monochromatic

#180906 #2B0F0B #5B2018 #8B3125 #BC4232

Accessibility & contrast

On white

12.62

#5B2018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#5B2018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B2018

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B2018	#FFFFFF	#000000	##FFFFFF
##5B2018	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302B17

Deuteranopia (green-blind)

#3E3816

Tritanopia (blue-blind)

#64131E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #5b2018;
/* rgb */ color: rgb(91, 32, 24);
/* oklch */ color: oklch(33.2% 0.089 30.2);

Tailwind

colors: {
  custom: {
    50: '#8f5e55',
    500: '#5b2018',
    950: '#000000',
  },
}

SCSS

$custom: #5b2018;
$custom-light: #8f5e55;
$custom-dark: #000000;

JSON

{
  "hex": "#5b2018",
  "rgb": {
    "r": 91,
    "g": 32,
    "b": 24
  },
  "hsl": {
    "h": 7.164,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33164,
    "c": 0.08874,
    "h": 30.2
  },
  "luminance": 0.03323
}

Semantic roles & 50–950 ramp

primary

#5B2018

secondary

#3D8792

accent

#CFE146

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5B2018

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

Preview Lab → · Contrast checker → · Palette generator →