#613B40#613B40

#613B40 is a dark, muted red. Relative luminance 0.060; OKLCH L 39.9% C 0.054 H 11.2°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#613B40
RGB	rgb(97, 59, 64)
HSL	hsl(352, 24%, 31%)
HSV	hsv(352, 39%, 38%)
CMYK	cmyk(0%, 39.2%, 34%, 62%)
CIE-LAB	lab(29.51, 17.51, 3.99)
CIE-LCH	lch(29.51, 17.96, 12.82°)
OKLab	oklab(39.91% 0.0531 0.0106)
OKLCH	oklch(39.91% 0.054 11.2)
XYZ	xyz(7.4194, 6.0400, 5.6246)
Luminance	0.0604 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#613B40 #3B615C

analogous

#613B53 #613B40 #61493B

triadic

#613B40 #40613B #3B4061

tetradic

#613B40 #53613B #3B615C #493B61

square

#613B40 #53613B #3B615C #493B61

split-complementary

#613B40 #3B6149 #3B5361

monochromatic

#150D0E #3B2427 #613B40 #875259 #A76F76

Accessibility & contrast

On white

9.51

#613B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#613B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #613B40

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##613B40	#FFFFFF	#000000	##FFFFFF
##613B40	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424140

Deuteranopia (green-blind)

#4B483F

Tritanopia (blue-blind)

#68383D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #613b40;
/* rgb */ color: rgb(97, 59, 64);
/* oklch */ color: oklch(39.9% 0.054 11.2);

Tailwind

colors: {
  custom: {
    50: '#8f7174',
    500: '#613b40',
    950: '#000000',
  },
}

SCSS

$custom: #613b40;
$custom-light: #8f7174;
$custom-dark: #000000;

JSON

{
  "hex": "#613b40",
  "rgb": {
    "r": 97,
    "g": 59,
    "b": 64
  },
  "hsl": {
    "h": 352.105,
    "s": 24.359,
    "l": 30.588
  },
  "oklch": {
    "l": 0.39908,
    "c": 0.05415,
    "h": 11.2
  },
  "luminance": 0.06039
}

Semantic roles & 50–950 ramp

primary

#613B40

secondary

#67918B

accent

#C1B567

background

#F8F6F7

surface

#F0ECED

border

#CBC7C8

text

#0C0708

muted

#7D7A7B

Preview Lab

Preview with #613B40

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

Preview Lab → · Contrast checker → · Palette generator →