#5B0F1D#5B0F1D

#5B0F1D is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.2% C 0.107 H 16.3°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#5B0F1D
RGB	rgb(91, 15, 29)
HSL	hsl(349, 72%, 21%)
HSV	hsv(349, 84%, 36%)
CMYK	cmyk(0%, 83.5%, 68.1%, 64.3%)
CIE-LAB	lab(18.61, 34.45, 12.51)
CIE-LCH	lch(18.61, 36.66, 19.96°)
OKLab	oklab(31.18% 0.1029 0.0302)
OKLCH	oklch(31.18% 0.107 16.3)
XYZ	xyz(4.7075, 2.6552, 1.4268)
Luminance	0.0266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B0F1D #0F5B4D

analogous

#5B0F43 #5B0F1D #5B270F

triadic

#5B0F1D #1D5B0F #0F1D5B

tetradic

#5B0F1D #435B0F #0F5B4D #270F5B

square

#5B0F1D #435B0F #0F5B4D #270F5B

split-complementary

#5B0F1D #0F5B27 #0F435B

monochromatic

#1A0408 #26060C #5B0F1D #90182E #C4203E

Accessibility & contrast

On white

13.72

#5B0F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#5B0F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B0F1D

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B0F1D	#FFFFFF	#000000	##FFFFFF
##5B0F1D	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25231D

Deuteranopia (green-blind)

#38331B

Tritanopia (blue-blind)

#650015

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #5b0f1d;
/* rgb */ color: rgb(91, 15, 29);
/* oklch */ color: oklch(31.2% 0.107 16.3);

Tailwind

colors: {
  custom: {
    50: '#8f5658',
    500: '#5b0f1d',
    950: '#000000',
  },
}

SCSS

$custom: #5b0f1d;
$custom-light: #8f5658;
$custom-dark: #000000;

JSON

{
  "hex": "#5b0f1d",
  "rgb": {
    "r": 91,
    "g": 15,
    "b": 29
  },
  "hsl": {
    "h": 348.947,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31183,
    "c": 0.10726,
    "h": 16.3
  },
  "luminance": 0.02655
}

Semantic roles & 50–950 ramp

primary

#5B0F1D

secondary

#319582

accent

#EECD39

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5B0F1D

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

Preview Lab → · Contrast checker → · Palette generator →