#C55739#C55739

#C55739 is a mid, vivid red. Relative luminance 0.190; OKLCH L 59.1% C 0.148 H 36.2°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#C55739
RGB	rgb(197, 87, 57)
HSL	hsl(13, 55%, 50%)
HSV	hsv(13, 71%, 77%)
CMYK	cmyk(0%, 55.8%, 71.1%, 22.7%)
CIE-LAB	lab(50.67, 42.02, 38.41)
CIE-LCH	lch(50.67, 56.93, 42.43°)
OKLab	oklab(59.06% 0.1195 0.0874)
OKLCH	oklch(59.06% 0.148 36.2)
XYZ	xyz(27.1753, 18.9856, 6.1037)
Luminance	0.1898 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C55739 #39A7C5

analogous

#C53961 #C55739 #C59D39

triadic

#C55739 #39C557 #5739C5

tetradic

#C55739 #61C539 #39A7C5 #9D39C5

square

#C55739 #61C539 #39A7C5 #9D39C5

split-complementary

#C55739 #39C59D #3961C5

monochromatic

#662D1E #96422B #C55739 #D37F68 #E1A797

Accessibility & contrast

On white

4.38

#C55739 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#C55739 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C55739

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C55739	#FFFFFF	#000000	##000000
##C55739	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#756A36

Deuteranopia (green-blind)

#908236

Tritanopia (blue-blind)

#D84050

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #c55739;
/* rgb */ color: rgb(197, 87, 57);
/* oklch */ color: oklch(59.1% 0.148 36.2);

Tailwind

colors: {
  custom: {
    50: '#dd8970',
    500: '#c55739',
    950: '#000000',
  },
}

SCSS

$custom: #c55739;
$custom-light: #dd8970;
$custom-dark: #000000;

JSON

{
  "hex": "#c55739",
  "rgb": {
    "r": 197,
    "g": 87,
    "b": 57
  },
  "hsl": {
    "h": 12.857,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.59063,
    "c": 0.148,
    "h": 36.2
  },
  "luminance": 0.18982
}

Semantic roles & 50–950 ramp

primary

#C55739

secondary

#8DBFCD

accent

#BEDE49

background

#FEF8F6

surface

#FDF0EC

border

#D5CBC7

text

#160C07

muted

#847D7A

Preview Lab

Preview with #C55739

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

Preview Lab → · Contrast checker → · Palette generator →