#CB3C33#CB3C33

#CB3C33 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.6% C 0.181 H 28.0°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#CB3C33
RGB	rgb(203, 60, 51)
HSL	hsl(4, 60%, 50%)
HSV	hsv(4, 75%, 80%)
CMYK	cmyk(0%, 70.4%, 74.9%, 20.4%)
CIE-LAB	lab(47.20, 55.65, 38.12)
CIE-LCH	lch(47.20, 67.45, 34.41°)
OKLab	oklab(56.62% 0.1601 0.0851)
OKLCH	oklch(56.62% 0.181 28)
XYZ	xyz(26.8451, 16.1713, 4.8392)
Luminance	0.1617 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3C33 #33C2CB

analogous

#CB3376 #CB3C33 #CB8833

triadic

#CB3C33 #33CB3C #3C33CB

tetradic

#CB3C33 #76CB33 #33C2CB #8833CB

square

#CB3C33 #76CB33 #33C2CB #8833CB

split-complementary

#CB3C33 #33CB88 #3376CB

monochromatic

#691F1A #9A2E27 #CB3C33 #D86A63 #E49994

Accessibility & contrast

On white

4.96

#CB3C33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#CB3C33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3C33

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3C33	#FFFFFF	#000000	##FFFFFF
##CB3C33	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C31

Deuteranopia (green-blind)

#897B2E

Tritanopia (blue-blind)

#DF003B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3c33;
/* rgb */ color: rgb(203, 60, 51);
/* oklch */ color: oklch(56.6% 0.181 28.0);

Tailwind

colors: {
  custom: {
    50: '#e47b6b',
    500: '#cb3c33',
    950: '#000000',
  },
}

SCSS

$custom: #cb3c33;
$custom-light: #e47b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3c33",
  "rgb": {
    "r": 203,
    "g": 60,
    "b": 51
  },
  "hsl": {
    "h": 3.553,
    "s": 59.843,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56619,
    "c": 0.18132,
    "h": 28
  },
  "luminance": 0.16167
}

Semantic roles & 50–950 ramp

primary

#CB3C33

secondary

#8BCBCF

accent

#DAE345

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3C33

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

Preview Lab → · Contrast checker → · Palette generator →