#613A37#613A37

#613A37 is a dark, muted red. Relative luminance 0.058; OKLCH L 39.4% C 0.056 H 24.7°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX#613A37
RGBrgb(97, 58, 55)
HSLhsl(4, 28%, 30%)
HSVhsv(4, 43%, 38%)
CMYKcmyk(0%, 40.2%, 43.3%, 62%)
CIE-LABlab(29.02, 16.87, 9.16)
CIE-LCHlch(29.02, 19.19, 28.50°)
OKLaboklab(39.45% 0.0509 0.0234)
OKLCHoklch(39.45% 0.056 24.7)
XYZxyz(7.1327, 5.8439, 4.3660)
Luminance0.0584 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#613A37 #375E61
analogous
#613749 #613A37 #614F37
triadic
#613A37 #37613A #3A3761
tetradic
#613A37 #496137 #375E61 #4F3761
square
#613A37 #496137 #375E61 #4F3761
split-complementary
#613A37 #37614F #374961
monochromatic
#140C0B #3A2321 #613A37 #88514D #AA6D69

Accessibility & contrast

On white

9.68
#613A37 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.17
#613A37 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #613A37
9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##613A37#FFFFFF#000000##FFFFFF
##613A371.009.682.179.68
#FFFFFF9.681.0021.001.00
#0000002.1721.001.0021.00
##FFFFFF9.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#424037
Deuteranopia (green-blind)
#4C4736
Tritanopia (blue-blind)
#693539
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #613a37;
/* rgb */ color: rgb(97, 58, 55);
/* oklch */ color: oklch(39.4% 0.056 24.7);
Tailwind
colors: {
  custom: {
    50: '#90706d',
    500: '#613a37',
    950: '#000000',
  },
}
SCSS
$custom: #613a37;
$custom-light: #90706d;
$custom-dark: #000000;
JSON
{
  "hex": "#613a37",
  "rgb": {
    "r": 97,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 4.286,
    "s": 27.632,
    "l": 29.804
  },
  "oklch": {
    "l": 0.39448,
    "c": 0.05604,
    "h": 24.7
  },
  "luminance": 0.05843
}

Semantic roles & 50–950 ramp

primary
#613A37
secondary
#628E91
accent
#BDC464
background
#F9F6F6
surface
#F1ECEB
border
#CBC7C6
text
#0D0707
muted
#7E7A7A

Preview Lab

Preview with #613A37

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

Preview Lab → · Contrast checker → · Palette generator →

#613A37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva