#CB5738#CB5738

#CB5738 is a mid, vivid red. Relative luminance 0.198; OKLCH L 60.0% C 0.155 H 35.9°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#CB5738
RGB	rgb(203, 87, 56)
HSL	hsl(13, 59%, 51%)
HSV	hsv(13, 72%, 80%)
CMYK	cmyk(0%, 57.1%, 72.4%, 20.4%)
CIE-LAB	lab(51.61, 44.22, 40.26)
CIE-LCH	lch(51.61, 59.80, 42.32°)
OKLab	oklab(59.96% 0.1255 0.0909)
OKLCH	oklch(59.96% 0.155 35.9)
XYZ	xyz(28.7535, 19.8022, 6.0487)
Luminance	0.1980 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB5738 #38ACCB

analogous

#CB3862 #CB5738 #CBA038

triadic

#CB5738 #38CB57 #5738CB

tetradic

#CB5738 #62CB38 #38ACCB #A038CB

square

#CB5738 #62CB38 #38ACCB #A038CB

split-complementary

#CB5738 #38CBA0 #3862CB

monochromatic

#6C2D1C #9D4129 #CB5738 #D88069 #E4A999

Accessibility & contrast

On white

4.23

#CB5738 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#CB5738 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #CB5738

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB5738	#FFFFFF	#000000	##000000
##CB5738	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#776B34

Deuteranopia (green-blind)

#938535

Tritanopia (blue-blind)

#DF3E50

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #cb5738;
/* rgb */ color: rgb(203, 87, 56);
/* oklch */ color: oklch(60.0% 0.155 35.9);

Tailwind

colors: {
  custom: {
    50: '#e28a70',
    500: '#cb5738',
    950: '#000000',
  },
}

SCSS

$custom: #cb5738;
$custom-light: #e28a70;
$custom-dark: #000000;

JSON

{
  "hex": "#cb5738",
  "rgb": {
    "r": 203,
    "g": 87,
    "b": 56
  },
  "hsl": {
    "h": 12.653,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5996,
    "c": 0.15491,
    "h": 35.9
  },
  "luminance": 0.19798
}

Semantic roles & 50–950 ramp

primary

#CB5738

secondary

#8FC2D0

accent

#C1E246

background

#FEF8F6

surface

#FDF0EC

border

#D5CBC7

text

#170C07

muted

#857D7A

Preview Lab

Preview with #CB5738

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

Preview Lab → · Contrast checker → · Palette generator →