#5A191B#5A191B

#5A191B is a dark, moderate red. Relative luminance 0.029; OKLCH L 32.0% C 0.095 H 22.6°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#5A191B
RGB	rgb(90, 25, 27)
HSL	hsl(358, 57%, 23%)
HSV	hsv(358, 72%, 35%)
CMYK	cmyk(0%, 72.2%, 70%, 64.7%)
CIE-LAB	lab(19.84, 29.86, 15.44)
CIE-LCH	lch(19.84, 33.62, 27.34°)
OKLab	oklab(32.05% 0.088 0.0366)
OKLCH	oklch(32.05% 0.095 22.6)
XYZ	xyz(4.7624, 2.9487, 1.3551)
Luminance	0.0295 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A191B #195A58

analogous

#5A193B #5A191B #5A3819

triadic

#5A191B #1B5A19 #191B5A

tetradic

#5A191B #3B5A19 #195A58 #38195A

square

#5A191B #3B5A19 #195A58 #38195A

split-complementary

#5A191B #195A38 #193B5A

monochromatic

#180707 #2A0C0D #5A191B #8A2629 #BA3438

Accessibility & contrast

On white

13.21

#5A191B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#5A191B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A191B

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A191B	#FFFFFF	#000000	##FFFFFF
##5A191B	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271B

Deuteranopia (green-blind)

#3B3519

Tritanopia (blue-blind)

#63091A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #5a191b;
/* rgb */ color: rgb(90, 25, 27);
/* oklch */ color: oklch(32.0% 0.095 22.6);

Tailwind

colors: {
  custom: {
    50: '#8e5a57',
    500: '#5a191b',
    950: '#000000',
  },
}

SCSS

$custom: #5a191b;
$custom-light: #8e5a57;
$custom-dark: #000000;

JSON

{
  "hex": "#5a191b",
  "rgb": {
    "r": 90,
    "g": 25,
    "b": 27
  },
  "hsl": {
    "h": 358.154,
    "s": 56.522,
    "l": 22.549
  },
  "oklch": {
    "l": 0.32047,
    "c": 0.09527,
    "h": 22.6
  },
  "luminance": 0.02948
}

Semantic roles & 50–950 ramp

primary

#5A191B

secondary

#3E908E

accent

#E0DB48

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5A191B

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

Preview Lab → · Contrast checker → · Palette generator →