#5B2128#5B2128

#5B2128 is a dark, moderate red. Relative luminance 0.035; OKLCH L 33.7% C 0.085 H 15.6°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#5B2128
RGB	rgb(91, 33, 40)
HSL	hsl(353, 47%, 24%)
HSV	hsv(353, 64%, 36%)
CMYK	cmyk(0%, 63.7%, 56%, 64.3%)
CIE-LAB	lab(21.82, 27.30, 9.13)
CIE-LCH	lch(21.82, 28.79, 18.49°)
OKLab	oklab(33.66% 0.0822 0.023)
OKLCH	oklch(33.66% 0.085 15.6)
XYZ	xyz(5.2417, 3.4657, 2.4000)
Luminance	0.0347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B2128 #215B54

analogous

#5B2145 #5B2128 #5B3721

triadic

#5B2128 #285B21 #21285B

tetradic

#5B2128 #455B21 #215B54 #37215B

square

#5B2128 #455B21 #215B54 #37215B

split-complementary

#5B2128 #215B37 #21455B

monochromatic

#16080A #2E1114 #5B2128 #88313C #B5424F

Accessibility & contrast

On white

12.40

#5B2128 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#5B2128 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B2128

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B2128	#FFFFFF	#000000	##FFFFFF
##5B2128	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D28

Deuteranopia (green-blind)

#3D3927

Tritanopia (blue-blind)

#641824

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #5b2128;
/* rgb */ color: rgb(91, 33, 40);
/* oklch */ color: oklch(33.7% 0.085 15.6);

Tailwind

colors: {
  custom: {
    50: '#8d5f61',
    500: '#5b2128',
    950: '#000000',
  },
}

SCSS

$custom: #5b2128;
$custom-light: #8d5f61;
$custom-dark: #000000;

JSON

{
  "hex": "#5b2128",
  "rgb": {
    "r": 91,
    "g": 33,
    "b": 40
  },
  "hsl": {
    "h": 352.759,
    "s": 46.774,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33662,
    "c": 0.08531,
    "h": 15.6
  },
  "luminance": 0.03465
}

Semantic roles & 50–950 ramp

primary

#5B2128

secondary

#498F87

accent

#D6C651

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0505

muted

#7E7979

Preview Lab

Preview with #5B2128

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

Preview Lab → · Contrast checker → · Palette generator →