#C5583B#C5583B

#C5583B is a mid, vivid red. Relative luminance 0.192; OKLCH L 59.2% C 0.146 H 35.9°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#C5583B
RGB	rgb(197, 88, 59)
HSL	hsl(13, 54%, 50%)
HSV	hsv(13, 70%, 77%)
CMYK	cmyk(0%, 55.3%, 70.1%, 22.7%)
CIE-LAB	lab(50.88, 41.63, 37.56)
CIE-LCH	lch(50.88, 56.07, 42.06°)
OKLab	oklab(59.23% 0.1187 0.0859)
OKLCH	oklch(59.23% 0.146 35.9)
XYZ	xyz(27.3077, 19.1690, 6.3988)
Luminance	0.1917 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5583B #3BA8C5

analogous

#C53B63 #C5583B #C59D3B

triadic

#C5583B #3BC558 #583BC5

tetradic

#C5583B #63C53B #3BA8C5 #9D3BC5

square

#C5583B #63C53B #3BA8C5 #9D3BC5

split-complementary

#C5583B #3BC59D #3B63C5

monochromatic

#672E1F #96432C #C5583B #D3806A #E1A899

Accessibility & contrast

On white

4.34

#C5583B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#C5583B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C5583B

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5583B	#FFFFFF	#000000	##000000
##C5583B	1.00	4.34	4.83	4.83
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#756A38

Deuteranopia (green-blind)

#908238

Tritanopia (blue-blind)

#D84152

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #c5583b;
/* rgb */ color: rgb(197, 88, 59);
/* oklch */ color: oklch(59.2% 0.146 35.9);

Tailwind

colors: {
  custom: {
    50: '#dd8a72',
    500: '#c5583b',
    950: '#000000',
  },
}

SCSS

$custom: #c5583b;
$custom-light: #dd8a72;
$custom-dark: #000000;

JSON

{
  "hex": "#c5583b",
  "rgb": {
    "r": 197,
    "g": 88,
    "b": 59
  },
  "hsl": {
    "h": 12.609,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.59233,
    "c": 0.14647,
    "h": 35.9
  },
  "luminance": 0.19166
}

Semantic roles & 50–950 ramp

primary

#C5583B

secondary

#8FC0CD

accent

#BFDE4A

background

#FEF8F6

surface

#FDF0EC

border

#D5CBC7

text

#160C08

muted

#847D7B

Preview Lab

Preview with #C5583B

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

Preview Lab → · Contrast checker → · Palette generator →