#5B1913#5B1913

#5B1913 is a dark, moderate red. Relative luminance 0.030; OKLCH L 32.1% C 0.098 H 28.8°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#5B1913
RGB	rgb(91, 25, 19)
HSL	hsl(5, 65%, 22%)
HSV	hsv(5, 79%, 36%)
CMYK	cmyk(0%, 72.5%, 79.1%, 64.3%)
CIE-LAB	lab(19.91, 29.77, 20.93)
CIE-LCH	lch(19.91, 36.39, 35.11°)
OKLab	oklab(32.1% 0.0857 0.0472)
OKLCH	oklch(32.1% 0.098 28.8)
XYZ	xyz(4.7801, 2.9671, 0.9370)
Luminance	0.0297 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1913 #13555B

analogous

#5B1331 #5B1913 #5B3D13

triadic

#5B1913 #135B19 #19135B

tetradic

#5B1913 #315B13 #13555B #3D135B

square

#5B1913 #315B13 #13555B #3D135B

split-complementary

#5B1913 #135B3D #13315B

monochromatic

#190705 #280B08 #5B1913 #8E271E #C03528

Accessibility & contrast

On white

13.18

#5B1913 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#5B1913 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1913

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1913	#FFFFFF	#000000	##FFFFFF
##5B1913	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2712

Deuteranopia (green-blind)

#3C3511

Tritanopia (blue-blind)

#650618

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5b1913;
/* rgb */ color: rgb(91, 25, 19);
/* oklch */ color: oklch(32.1% 0.098 28.8);

Tailwind

colors: {
  custom: {
    50: '#905a51',
    500: '#5b1913',
    950: '#000000',
  },
}

SCSS

$custom: #5b1913;
$custom-light: #905a51;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1913",
  "rgb": {
    "r": 91,
    "g": 25,
    "b": 19
  },
  "hsl": {
    "h": 5,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.32099,
    "c": 0.09778,
    "h": 28.8
  },
  "luminance": 0.02966
}

Semantic roles & 50–950 ramp

primary

#5B1913

secondary

#378B93

accent

#DAE83F

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0402

muted

#7E7978

Preview Lab

Preview with #5B1913

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

Preview Lab → · Contrast checker → · Palette generator →