#5A171F#5A171F

#5A171F is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.9% C 0.097 H 17.9°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#5A171F
RGB	rgb(90, 23, 31)
HSL	hsl(353, 59%, 22%)
HSV	hsv(353, 74%, 35%)
CMYK	cmyk(0%, 74.4%, 65.6%, 64.7%)
CIE-LAB	lab(19.58, 31.07, 12.34)
CIE-LCH	lch(19.58, 33.43, 21.67°)
OKLab	oklab(31.88% 0.0927 0.03)
OKLCH	oklch(31.88% 0.097 17.9)
XYZ	xyz(4.7706, 2.8861, 1.6019)
Luminance	0.0289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A171F #175A52

analogous

#5A1741 #5A171F #5A3117

triadic

#5A171F #1F5A17 #171F5A

tetradic

#5A171F #415A17 #175A52 #31175A

square

#5A171F #415A17 #175A52 #31175A

split-complementary

#5A171F #175A31 #17415A

monochromatic

#180608 #290B0E #5A171F #8B2330 #BB3041

Accessibility & contrast

On white

13.32

#5A171F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#5A171F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A171F

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A171F	#FFFFFF	#000000	##FFFFFF
##5A171F	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29261F

Deuteranopia (green-blind)

#3A351D

Tritanopia (blue-blind)

#63071A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5a171f;
/* rgb */ color: rgb(90, 23, 31);
/* oklch */ color: oklch(31.9% 0.097 17.9);

Tailwind

colors: {
  custom: {
    50: '#8e595a',
    500: '#5a171f',
    950: '#000000',
  },
}

SCSS

$custom: #5a171f;
$custom-light: #8e595a;
$custom-dark: #000000;

JSON

{
  "hex": "#5a171f",
  "rgb": {
    "r": 90,
    "g": 23,
    "b": 31
  },
  "hsl": {
    "h": 352.836,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.31882,
    "c": 0.0974,
    "h": 17.9
  },
  "luminance": 0.02885
}

Semantic roles & 50–950 ramp

primary

#5A171F

secondary

#3C9187

accent

#E2D045

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0403

muted

#7E7978

Preview Lab

Preview with #5A171F

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

Preview Lab → · Contrast checker → · Palette generator →