#CB3D34#CB3D34

#CB3D34 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.7% C 0.180 H 27.9°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#CB3D34
RGB	rgb(203, 61, 52)
HSL	hsl(4, 59%, 50%)
HSV	hsv(4, 74%, 80%)
CMYK	cmyk(0%, 70%, 74.4%, 20.4%)
CIE-LAB	lab(47.35, 55.31, 37.72)
CIE-LCH	lch(47.35, 66.95, 34.30°)
OKLab	oklab(56.73% 0.1593 0.0845)
OKLCH	oklch(56.73% 0.18 27.9)
XYZ	xyz(26.9202, 16.2860, 4.9742)
Luminance	0.1628 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3D34 #34C2CB

analogous

#CB3477 #CB3D34 #CB8834

triadic

#CB3D34 #34CB3D #3D34CB

tetradic

#CB3D34 #77CB34 #34C2CB #8834CB

square

#CB3D34 #77CB34 #34C2CB #8834CB

split-complementary

#CB3D34 #34CB88 #3477CB

monochromatic

#6A201B #9A2E28 #CB3D34 #D76C65 #E49A95

Accessibility & contrast

On white

4.93

#CB3D34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#CB3D34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3D34

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3D34	#FFFFFF	#000000	##FFFFFF
##CB3D34	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D32

Deuteranopia (green-blind)

#897C2F

Tritanopia (blue-blind)

#DF063C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3d34;
/* rgb */ color: rgb(203, 61, 52);
/* oklch */ color: oklch(56.7% 0.180 27.9);

Tailwind

colors: {
  custom: {
    50: '#e37b6c',
    500: '#cb3d34',
    950: '#000000',
  },
}

SCSS

$custom: #cb3d34;
$custom-light: #e37b6c;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3d34",
  "rgb": {
    "r": 203,
    "g": 61,
    "b": 52
  },
  "hsl": {
    "h": 3.576,
    "s": 59.216,
    "l": 50
  },
  "oklch": {
    "l": 0.56734,
    "c": 0.18028,
    "h": 27.9
  },
  "luminance": 0.16282
}

Semantic roles & 50–950 ramp

primary

#CB3D34

secondary

#8CCBCF

accent

#D9E245

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3D34

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

Preview Lab → · Contrast checker → · Palette generator →