#5B1111#5B1111

#5B1111 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.2% C 0.106 H 25.9°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#5B1111
RGB	rgb(91, 17, 17)
HSL	hsl(0, 69%, 21%)
HSV	hsv(0, 81%, 36%)
CMYK	cmyk(0%, 81.3%, 81.3%, 64.3%)
CIE-LAB	lab(18.65, 33.06, 20.69)
CIE-LCH	lch(18.65, 39.00, 32.05°)
OKLab	oklab(31.15% 0.0955 0.0464)
OKLCH	oklch(31.15% 0.106 25.9)
XYZ	xyz(4.6166, 2.6662, 0.8018)
Luminance	0.0267 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1111 #115B5B

analogous

#5B1136 #5B1111 #5B3611

triadic

#5B1111 #115B11 #11115B

tetradic

#5B1111 #365B11 #115B5B #36115B

square

#5B1111 #365B11 #115B5B #36115B

split-complementary

#5B1111 #115B36 #11365B

monochromatic

#1A0505 #270707 #5B1111 #8F1B1B #C22424

Accessibility & contrast

On white

13.70

#5B1111 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#5B1111 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1111

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1111	#FFFFFF	#000000	##FFFFFF
##5B1111	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272310

Deuteranopia (green-blind)

#3A330E

Tritanopia (blue-blind)

#650012

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #5b1111;
/* rgb */ color: rgb(91, 17, 17);
/* oklch */ color: oklch(31.2% 0.106 25.9);

Tailwind

colors: {
  custom: {
    50: '#90564f',
    500: '#5b1111',
    950: '#000000',
  },
}

SCSS

$custom: #5b1111;
$custom-light: #90564f;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1111",
  "rgb": {
    "r": 91,
    "g": 17,
    "b": 17
  },
  "hsl": {
    "h": 0,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31151,
    "c": 0.10622,
    "h": 25.9
  },
  "luminance": 0.02666
}

Semantic roles & 50–950 ramp

primary

#5B1111

secondary

#349494

accent

#EBEB3C

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0302

muted

#7E7878

Preview Lab

Preview with #5B1111

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

Preview Lab → · Contrast checker → · Palette generator →