#CB3635#CB3635

#CB3635 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.1% C 0.186 H 25.9°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#CB3635
RGB	rgb(203, 54, 53)
HSL	hsl(0, 59%, 50%)
HSV	hsv(0, 74%, 80%)
CMYK	cmyk(0%, 73.4%, 73.9%, 20.4%)
CIE-LAB	lab(46.44, 57.89, 36.14)
CIE-LCH	lch(46.44, 68.24, 31.98°)
OKLab	oklab(56.06% 0.1676 0.0813)
OKLCH	oklch(56.06% 0.186 25.9)
XYZ	xyz(26.5934, 15.5960, 4.9775)
Luminance	0.1559 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3635 #35CACB

analogous

#CB357F #CB3635 #CB8135

triadic

#CB3635 #35CB36 #3635CB

tetradic

#CB3635 #7FCB35 #35CACB #8135CB

square

#CB3635 #7FCB35 #35CACB #8135CB

split-complementary

#CB3635 #35CB81 #357FCB

monochromatic

#6A1C1B #9B2928 #CB3635 #D86666 #E49796

Accessibility & contrast

On white

5.10

#CB3635 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#CB3635 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3635

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3635	#FFFFFF	#000000	##FFFFFF
##CB3635	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625933

Deuteranopia (green-blind)

#877A30

Tritanopia (blue-blind)

#DF0038

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cb3635;
/* rgb */ color: rgb(203, 54, 53);
/* oklch */ color: oklch(56.1% 0.186 25.9);

Tailwind

colors: {
  custom: {
    50: '#e4786d',
    500: '#cb3635',
    950: '#000000',
  },
}

SCSS

$custom: #cb3635;
$custom-light: #e4786d;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3635",
  "rgb": {
    "r": 203,
    "g": 54,
    "b": 53
  },
  "hsl": {
    "h": 0.4,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56061,
    "c": 0.18625,
    "h": 25.9
  },
  "luminance": 0.15592
}

Semantic roles & 50–950 ramp

primary

#CB3635

secondary

#8CCFCF

accent

#E1E246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3635

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

Preview Lab → · Contrast checker → · Palette generator →