#CB3735#CB3735

#CB3735 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.2% C 0.185 H 26.1°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#CB3735
RGB	rgb(203, 55, 53)
HSL	hsl(1, 59%, 50%)
HSV	hsv(1, 74%, 80%)
CMYK	cmyk(0%, 72.9%, 73.9%, 20.4%)
CIE-LAB	lab(46.57, 57.54, 36.28)
CIE-LCH	lch(46.57, 68.03, 32.23°)
OKLab	oklab(56.15% 0.1665 0.0816)
OKLCH	oklch(56.15% 0.185 26.1)
XYZ	xyz(26.6404, 15.6900, 4.9932)
Luminance	0.1569 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3735 #35C9CB

analogous

#CB357E #CB3735 #CB8235

triadic

#CB3735 #35CB37 #3735CB

tetradic

#CB3735 #7ECB35 #35C9CB #8235CB

square

#CB3735 #7ECB35 #35C9CB #8235CB

split-complementary

#CB3735 #35CB82 #357ECB

monochromatic

#6A1C1B #9B2928 #CB3735 #D86766 #E49796

Accessibility & contrast

On white

5.08

#CB3735 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#CB3735 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3735

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3735	#FFFFFF	#000000	##FFFFFF
##CB3735	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A33

Deuteranopia (green-blind)

#877A30

Tritanopia (blue-blind)

#DF0038

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cb3735;
/* rgb */ color: rgb(203, 55, 53);
/* oklch */ color: oklch(56.2% 0.185 26.1);

Tailwind

colors: {
  custom: {
    50: '#e4796d',
    500: '#cb3735',
    950: '#000000',
  },
}

SCSS

$custom: #cb3735;
$custom-light: #e4796d;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3735",
  "rgb": {
    "r": 203,
    "g": 55,
    "b": 53
  },
  "hsl": {
    "h": 0.8,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56154,
    "c": 0.18541,
    "h": 26.1
  },
  "luminance": 0.15686
}

Semantic roles & 50–950 ramp

primary

#CB3735

secondary

#8CCFCF

accent

#E0E246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3735

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

Preview Lab → · Contrast checker → · Palette generator →