#CB3B35#CB3B35

#CB3B35 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.5% C 0.182 H 27.1°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#CB3B35
RGB	rgb(203, 59, 53)
HSL	hsl(2, 59%, 50%)
HSV	hsv(2, 74%, 80%)
CMYK	cmyk(0%, 70.9%, 73.9%, 20.4%)
CIE-LAB	lab(47.09, 56.10, 36.87)
CIE-LCH	lch(47.09, 67.13, 33.31°)
OKLab	oklab(56.54% 0.162 0.0829)
OKLCH	oklch(56.54% 0.182 27.1)
XYZ	xyz(26.8382, 16.0855, 5.0591)
Luminance	0.1608 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3B35 #35C5CB

analogous

#CB357A #CB3B35 #CB8635

triadic

#CB3B35 #35CB3B #3B35CB

tetradic

#CB3B35 #7ACB35 #35C5CB #8635CB

square

#CB3B35 #7ACB35 #35C5CB #8635CB

split-complementary

#CB3B35 #35CB86 #357ACB

monochromatic

#6A1F1B #9B2C28 #CB3B35 #D86A66 #E49996

Accessibility & contrast

On white

4.98

#CB3B35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#CB3B35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3B35

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3B35	#FFFFFF	#000000	##FFFFFF
##CB3B35	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C33

Deuteranopia (green-blind)

#897B30

Tritanopia (blue-blind)

#DF003B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3b35;
/* rgb */ color: rgb(203, 59, 53);
/* oklch */ color: oklch(56.5% 0.182 27.1);

Tailwind

colors: {
  custom: {
    50: '#e47a6d',
    500: '#cb3b35',
    950: '#000000',
  },
}

SCSS

$custom: #cb3b35;
$custom-light: #e47a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3b35",
  "rgb": {
    "r": 203,
    "g": 59,
    "b": 53
  },
  "hsl": {
    "h": 2.4,
    "s": 59.055,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56543,
    "c": 0.18192,
    "h": 27.1
  },
  "luminance": 0.16081
}

Semantic roles & 50–950 ramp

primary

#CB3B35

secondary

#8CCDCF

accent

#DCE246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3B35

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

Preview Lab → · Contrast checker → · Palette generator →