#5B403C#5B403C

#5B403C is a dark, muted red. Relative luminance 0.062; OKLCH L 40.0% C 0.039 H 28.4°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#5B403C
RGB	rgb(91, 64, 60)
HSL	hsl(8, 21%, 30%)
HSV	hsv(8, 34%, 36%)
CMYK	cmyk(0%, 29.7%, 34.1%, 64.3%)
CIE-LAB	lab(29.95, 11.14, 7.10)
CIE-LCH	lch(29.95, 13.21, 32.53°)
OKLab	oklab(40.04% 0.034 0.0184)
OKLCH	oklch(40.04% 0.039 28.4)
XYZ	xyz(6.9636, 6.2176, 5.1074)
Luminance	0.0622 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B403C #3C575B

analogous

#5B3C48 #5B403C #5B503C

triadic

#5B403C #3C5B40 #403C5B

tetradic

#5B403C #485B3C #3C575B #503C5B

square

#5B403C #485B3C #3C575B #503C5B

split-complementary

#5B403C #3C5B50 #3C485B

monochromatic

#120D0C #362624 #5B403C #805A54 #A17770

Accessibility & contrast

On white

9.36

#5B403C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#5B403C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B403C

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B403C	#FFFFFF	#000000	##FFFFFF
##5B403C	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46433C

Deuteranopia (green-blind)

#4C493C

Tritanopia (blue-blind)

#613D3F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #5b403c;
/* rgb */ color: rgb(91, 64, 60);
/* oklch */ color: oklch(40.0% 0.039 28.4);

Tailwind

colors: {
  custom: {
    50: '#8a7571',
    500: '#5b403c',
    950: '#000000',
  },
}

SCSS

$custom: #5b403c;
$custom-light: #8a7571;
$custom-dark: #000000;

JSON

{
  "hex": "#5b403c",
  "rgb": {
    "r": 91,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 7.742,
    "s": 20.53,
    "l": 29.608
  },
  "oklch": {
    "l": 0.40038,
    "c": 0.03867,
    "h": 28.4
  },
  "luminance": 0.06217
}

Semantic roles & 50–950 ramp

primary

#5B403C

secondary

#68868B

accent

#B2BD6B

background

#F8F7F6

surface

#F0EDEC

border

#CBC8C7

text

#0C0807

muted

#7D7B7A

Preview Lab

Preview with #5B403C

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

Preview Lab → · Contrast checker → · Palette generator →