#623E40#623E40

#623E40 is a dark, muted red. Relative luminance 0.064; OKLCH L 40.6% C 0.051 H 15.9°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#623E40
RGB	rgb(98, 62, 64)
HSL	hsl(357, 23%, 31%)
HSV	hsv(357, 37%, 38%)
CMYK	cmyk(0%, 36.7%, 34.7%, 61.6%)
CIE-LAB	lab(30.43, 16.08, 5.31)
CIE-LCH	lch(30.43, 16.93, 18.28°)
OKLab	oklab(40.64% 0.0488 0.0139)
OKLCH	oklch(40.64% 0.051 15.9)
XYZ	xyz(7.6853, 6.4126, 5.6825)
Luminance	0.0641 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#623E40 #3E6260

analogous

#623E52 #623E40 #624E3E

triadic

#623E40 #40623E #3E4062

tetradic

#623E40 #52623E #3E6260 #4E3E62

square

#623E40 #52623E #3E6260 #4E3E62

split-complementary

#623E40 #3E624E #3E5262

monochromatic

#170F0F #3D2628 #623E40 #875658 #A77476

Accessibility & contrast

On white

9.20

#623E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#623E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #623E40

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##623E40	#FFFFFF	#000000	##FFFFFF
##623E40	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454340

Deuteranopia (green-blind)

#4D4A3F

Tritanopia (blue-blind)

#693A3F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #623e40;
/* rgb */ color: rgb(98, 62, 64);
/* oklch */ color: oklch(40.6% 0.051 15.9);

Tailwind

colors: {
  custom: {
    50: '#907374',
    500: '#623e40',
    950: '#000000',
  },
}

SCSS

$custom: #623e40;
$custom-light: #907374;
$custom-dark: #000000;

JSON

{
  "hex": "#623e40",
  "rgb": {
    "r": 98,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 356.667,
    "s": 22.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40641,
    "c": 0.05076,
    "h": 15.9
  },
  "luminance": 0.06412
}

Semantic roles & 50–950 ramp

primary

#623E40

secondary

#6A9290

accent

#BFBA69

background

#F8F7F7

surface

#F0EDED

border

#CBC8C8

text

#0D0808

muted

#7D7B7B

Preview Lab

Preview with #623E40

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

Preview Lab → · Contrast checker → · Palette generator →