#613D37#613D37

#613D37 is a dark, muted red. Relative luminance 0.062; OKLCH L 40.1% C 0.052 H 29.9°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#613D37
RGB	rgb(97, 61, 55)
HSL	hsl(9, 28%, 30%)
HSV	hsv(9, 43%, 38%)
CMYK	cmyk(0%, 37.1%, 43.3%, 62%)
CIE-LAB	lab(29.80, 15.01, 10.24)
CIE-LCH	lch(29.80, 18.17, 34.32°)
OKLab	oklab(40.05% 0.0453 0.026)
OKLCH	oklch(40.05% 0.052 29.9)
XYZ	xyz(7.2884, 6.1553, 4.4179)
Luminance	0.0616 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#613D37 #375B61

analogous

#613746 #613D37 #615237

triadic

#613D37 #37613D #3D3761

tetradic

#613D37 #466137 #375B61 #523761

square

#613D37 #466137 #375B61 #523761

split-complementary

#613D37 #376152 #374661

monochromatic

#140C0B #3A2421 #613D37 #88564D #AA7269

Accessibility & contrast

On white

9.41

#613D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#613D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #613D37

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##613D37	#FFFFFF	#000000	##FFFFFF
##613D37	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454236

Deuteranopia (green-blind)

#4E4937

Tritanopia (blue-blind)

#68383B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #613d37;
/* rgb */ color: rgb(97, 61, 55);
/* oklch */ color: oklch(40.1% 0.052 29.9);

Tailwind

colors: {
  custom: {
    50: '#8f736d',
    500: '#613d37',
    950: '#000000',
  },
}

SCSS

$custom: #613d37;
$custom-light: #8f736d;
$custom-dark: #000000;

JSON

{
  "hex": "#613d37",
  "rgb": {
    "r": 97,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 8.571,
    "s": 27.632,
    "l": 29.804
  },
  "oklch": {
    "l": 0.40052,
    "c": 0.05223,
    "h": 29.9
  },
  "luminance": 0.06155
}

Semantic roles & 50–950 ramp

primary

#613D37

secondary

#628B91

accent

#B6C464

background

#F8F6F6

surface

#F0ECEB

border

#CBC7C6

text

#0D0807

muted

#7D7B7A

Preview Lab

Preview with #613D37

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

Preview Lab → · Contrast checker → · Palette generator →