#613D3B#613D3B

#613D3B is a dark, muted red. Relative luminance 0.062; OKLCH L 40.2% C 0.051 H 23.1°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#613D3B
RGB	rgb(97, 61, 59)
HSL	hsl(3, 24%, 31%)
HSV	hsv(3, 39%, 38%)
CMYK	cmyk(0%, 37.1%, 39.2%, 62%)
CIE-LAB	lab(29.90, 15.54, 7.79)
CIE-LCH	lch(29.90, 17.39, 26.61°)
OKLab	oklab(40.16% 0.0471 0.0201)
OKLCH	oklch(40.16% 0.051 23.1)
XYZ	xyz(7.3882, 6.1952, 4.9435)
Luminance	0.0619 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#613D3B #3B5F61

analogous

#613B4C #613D3B #61503B

triadic

#613D3B #3B613D #3D3B61

tetradic

#613D3B #4C613B #3B5F61 #503B61

square

#613D3B #4C613B #3B5F61 #503B61

split-complementary

#613D3B #3B6150 #3B4C61

monochromatic

#150D0D #3B2524 #613D3B #875552 #A7726F

Accessibility & contrast

On white

9.38

#613D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#613D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #613D3B

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##613D3B	#FFFFFF	#000000	##FFFFFF
##613D3B	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44423B

Deuteranopia (green-blind)

#4D493A

Tritanopia (blue-blind)

#68393D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #613d3b;
/* rgb */ color: rgb(97, 61, 59);
/* oklch */ color: oklch(40.2% 0.051 23.1);

Tailwind

colors: {
  custom: {
    50: '#8f7370',
    500: '#613d3b',
    950: '#000000',
  },
}

SCSS

$custom: #613d3b;
$custom-light: #8f7370;
$custom-dark: #000000;

JSON

{
  "hex": "#613d3b",
  "rgb": {
    "r": 97,
    "g": 61,
    "b": 59
  },
  "hsl": {
    "h": 3.158,
    "s": 24.359,
    "l": 30.588
  },
  "oklch": {
    "l": 0.4016,
    "c": 0.05122,
    "h": 23.1
  },
  "luminance": 0.06195
}

Semantic roles & 50–950 ramp

primary

#613D3B

secondary

#678F91

accent

#BCC167

background

#F8F6F6

surface

#F0ECEC

border

#CBC7C7

text

#0C0807

muted

#7D7B7A

Preview Lab

Preview with #613D3B

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

Preview Lab → · Contrast checker → · Palette generator →