#CB3C34#CB3C34

#CB3C34 is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.6% C 0.181 H 27.7°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#CB3C34
RGB	rgb(203, 60, 52)
HSL	hsl(3, 59%, 50%)
HSV	hsv(3, 74%, 80%)
CMYK	cmyk(0%, 70.4%, 74.4%, 20.4%)
CIE-LAB	lab(47.21, 55.69, 37.57)
CIE-LCH	lch(47.21, 67.18, 34.01°)
OKLab	oklab(56.63% 0.1604 0.0842)
OKLCH	oklch(56.63% 0.181 27.7)
XYZ	xyz(26.8673, 16.1802, 4.9565)
Luminance	0.1618 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3C34 #34C3CB

analogous

#CB3477 #CB3C34 #CB8834

triadic

#CB3C34 #34CB3C #3C34CB

tetradic

#CB3C34 #77CB34 #34C3CB #8834CB

square

#CB3C34 #77CB34 #34C3CB #8834CB

split-complementary

#CB3C34 #34CB88 #3477CB

monochromatic

#6A1F1B #9A2E28 #CB3C34 #D76B65 #E49A95

Accessibility & contrast

On white

4.96

#CB3C34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#CB3C34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3C34

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3C34	#FFFFFF	#000000	##FFFFFF
##CB3C34	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C32

Deuteranopia (green-blind)

#897B2F

Tritanopia (blue-blind)

#DF013C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3c34;
/* rgb */ color: rgb(203, 60, 52);
/* oklch */ color: oklch(56.6% 0.181 27.7);

Tailwind

colors: {
  custom: {
    50: '#e47b6c',
    500: '#cb3c34',
    950: '#000000',
  },
}

SCSS

$custom: #cb3c34;
$custom-light: #e47b6c;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3c34",
  "rgb": {
    "r": 203,
    "g": 60,
    "b": 52
  },
  "hsl": {
    "h": 3.179,
    "s": 59.216,
    "l": 50
  },
  "oklch": {
    "l": 0.56632,
    "c": 0.18117,
    "h": 27.7
  },
  "luminance": 0.16176
}

Semantic roles & 50–950 ramp

primary

#CB3C34

secondary

#8CCCCF

accent

#DAE245

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3C34

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

Preview Lab → · Contrast checker → · Palette generator →