#623E37#623E37

#623E37 is a dark, muted red. Relative luminance 0.063; OKLCH L 40.4% C 0.052 H 31.5°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#623E37
RGB	rgb(98, 62, 55)
HSL	hsl(10, 28%, 30%)
HSV	hsv(10, 44%, 38%)
CMYK	cmyk(0%, 36.7%, 43.9%, 61.6%)
CIE-LAB	lab(30.20, 14.83, 10.81)
CIE-LCH	lch(30.20, 18.36, 36.10°)
OKLab	oklab(40.39% 0.0447 0.0274)
OKLCH	oklch(40.39% 0.052 31.5)
XYZ	xyz(7.4496, 6.3183, 4.4409)
Luminance	0.0632 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#623E37 #375B62

analogous

#623746 #623E37 #625337

triadic

#623E37 #37623E #3E3762

tetradic

#623E37 #466237 #375B62 #533762

square

#623E37 #466237 #375B62 #533762

split-complementary

#623E37 #376253 #374662

monochromatic

#140C0B #3B2521 #623E37 #89574D #AB7369

Accessibility & contrast

On white

9.28

#623E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#623E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #623E37

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##623E37	#FFFFFF	#000000	##FFFFFF
##623E37	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464336

Deuteranopia (green-blind)

#4F4A37

Tritanopia (blue-blind)

#6A393C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #623e37;
/* rgb */ color: rgb(98, 62, 55);
/* oklch */ color: oklch(40.4% 0.052 31.5);

Tailwind

colors: {
  custom: {
    50: '#90736d',
    500: '#623e37',
    950: '#000000',
  },
}

SCSS

$custom: #623e37;
$custom-light: #90736d;
$custom-dark: #000000;

JSON

{
  "hex": "#623e37",
  "rgb": {
    "r": 98,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 9.767,
    "s": 28.105,
    "l": 30
  },
  "oklch": {
    "l": 0.4039,
    "c": 0.05245,
    "h": 31.5
  },
  "luminance": 0.06318
}

Semantic roles & 50–950 ramp

primary

#623E37

secondary

#628B92

accent

#B5C463

background

#F9F7F6

surface

#F1EDEB

border

#CBC8C6

text

#0D0807

muted

#7E7B7A

Preview Lab

Preview with #623E37

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

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