#613E37#613E37

#613E37 is a dark, muted red. Relative luminance 0.063; OKLCH L 40.3% C 0.051 H 31.8°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#613E37
RGB	rgb(97, 62, 55)
HSL	hsl(10, 28%, 30%)
HSV	hsv(10, 43%, 38%)
CMYK	cmyk(0%, 36.1%, 43.3%, 62%)
CIE-LAB	lab(30.07, 14.38, 10.61)
CIE-LCH	lch(30.07, 17.87, 36.41°)
OKLab	oklab(40.26% 0.0434 0.0269)
OKLCH	oklch(40.26% 0.051 31.8)
XYZ	xyz(7.3423, 6.2630, 4.4359)
Luminance	0.0626 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#613E37 #375A61

analogous

#613745 #613E37 #615337

triadic

#613E37 #37613E #3E3761

tetradic

#613E37 #456137 #375A61 #533761

square

#613E37 #456137 #375A61 #533761

split-complementary

#613E37 #376153 #374561

monochromatic

#140C0B #3A2521 #613E37 #88574D #AA7369

Accessibility & contrast

On white

9.32

#613E37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#613E37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #613E37

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##613E37	#FFFFFF	#000000	##FFFFFF
##613E37	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464336

Deuteranopia (green-blind)

#4E4A37

Tritanopia (blue-blind)

#68393C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #613e37;
/* rgb */ color: rgb(97, 62, 55);
/* oklch */ color: oklch(40.3% 0.051 31.8);

Tailwind

colors: {
  custom: {
    50: '#8f736d',
    500: '#613e37',
    950: '#000000',
  },
}

SCSS

$custom: #613e37;
$custom-light: #8f736d;
$custom-dark: #000000;

JSON

{
  "hex": "#613e37",
  "rgb": {
    "r": 97,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 10,
    "s": 27.632,
    "l": 29.804
  },
  "oklch": {
    "l": 0.40257,
    "c": 0.05107,
    "h": 31.8
  },
  "luminance": 0.06262
}

Semantic roles & 50–950 ramp

primary

#613E37

secondary

#628A91

accent

#B4C464

background

#F8F7F6

surface

#F0EDEB

border

#CBC8C6

text

#0D0807

muted

#7D7B7A

Preview Lab

Preview with #613E37

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

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