#C5583F#C5583F

#C5583F is a mid, vivid red. Relative luminance 0.192; OKLCH L 59.3% C 0.145 H 34.3°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#C5583F
RGB	rgb(197, 88, 63)
HSL	hsl(11, 54%, 51%)
HSV	hsv(11, 68%, 77%)
CMYK	cmyk(0%, 55.3%, 68%, 22.7%)
CIE-LAB	lab(50.93, 41.85, 35.41)
CIE-LCH	lch(50.93, 54.82, 40.24°)
OKLab	oklab(59.29% 0.1201 0.0819)
OKLCH	oklch(59.29% 0.145 34.3)
XYZ	xyz(27.4155, 19.2121, 6.9663)
Luminance	0.1921 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5583F #3FACC5

analogous

#C53F69 #C5583F #C59B3F

triadic

#C5583F #3FC558 #583FC5

tetradic

#C5583F #69C53F #3FACC5 #9B3FC5

square

#C5583F #69C53F #3FACC5 #9B3FC5

split-complementary

#C5583F #3FC59B #3F69C5

monochromatic

#6A2E20 #99422E #C5583F #D3816E #E1AA9D

Accessibility & contrast

On white

4.34

#C5583F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#C5583F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C5583F

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5583F	#FFFFFF	#000000	##000000
##C5583F	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#756B3C

Deuteranopia (green-blind)

#90823C

Tritanopia (blue-blind)

#D84252

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #c5583f;
/* rgb */ color: rgb(197, 88, 63);
/* oklch */ color: oklch(59.3% 0.145 34.3);

Tailwind

colors: {
  custom: {
    50: '#dd8a75',
    500: '#c5583f',
    950: '#000000',
  },
}

SCSS

$custom: #c5583f;
$custom-light: #dd8a75;
$custom-dark: #000000;

JSON

{
  "hex": "#c5583f",
  "rgb": {
    "r": 197,
    "g": 88,
    "b": 63
  },
  "hsl": {
    "h": 11.194,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.59287,
    "c": 0.14532,
    "h": 34.3
  },
  "luminance": 0.19209
}

Semantic roles & 50–950 ramp

primary

#C5583F

secondary

#92C3CE

accent

#C2DD4B

background

#FEF8F7

surface

#FDF0ED

border

#D5CBC8

text

#160C08

muted

#847D7B

Preview Lab

Preview with #C5583F

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

Preview Lab → · Contrast checker → · Palette generator →