#CB3535#CB3535

#CB3535 is a mid, vivid red. Relative luminance 0.155; OKLCH L 56.0% C 0.187 H 25.6°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#CB3535
RGB	rgb(203, 53, 53)
HSL	hsl(0, 59%, 50%)
HSV	hsv(0, 74%, 80%)
CMYK	cmyk(0%, 73.9%, 73.9%, 20.4%)
CIE-LAB	lab(46.32, 58.23, 36.00)
CIE-LCH	lch(46.32, 68.46, 31.73°)
OKLab	oklab(55.97% 0.1687 0.081)
OKLCH	oklch(55.97% 0.187 25.6)
XYZ	xyz(26.5474, 15.5039, 4.9622)
Luminance	0.1550 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3535 #35CBCB

analogous

#CB3580 #CB3535 #CB8035

triadic

#CB3535 #35CB35 #3535CB

tetradic

#CB3535 #80CB35 #35CBCB #8035CB

square

#CB3535 #80CB35 #35CBCB #8035CB

split-complementary

#CB3535 #35CB80 #3580CB

monochromatic

#6A1B1B #9B2828 #CB3535 #D86666 #E49696

Accessibility & contrast

On white

5.12

#CB3535 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#CB3535 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3535

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3535	#FFFFFF	#000000	##FFFFFF
##CB3535	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625933

Deuteranopia (green-blind)

#87792F

Tritanopia (blue-blind)

#DF0037

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cb3535;
/* rgb */ color: rgb(203, 53, 53);
/* oklch */ color: oklch(56.0% 0.187 25.6);

Tailwind

colors: {
  custom: {
    50: '#e4786d',
    500: '#cb3535',
    950: '#000000',
  },
}

SCSS

$custom: #cb3535;
$custom-light: #e4786d;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3535",
  "rgb": {
    "r": 203,
    "g": 53,
    "b": 53
  },
  "hsl": {
    "h": 0,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55969,
    "c": 0.18709,
    "h": 25.6
  },
  "luminance": 0.155
}

Semantic roles & 50–950 ramp

primary

#CB3535

secondary

#8CCFCF

accent

#E2E246

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3535

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

Preview Lab → · Contrast checker → · Palette generator →