#CB3D36#CB3D36

#CB3D36 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.8% C 0.180 H 27.3°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#CB3D36
RGB	rgb(203, 61, 54)
HSL	hsl(3, 59%, 50%)
HSV	hsv(3, 73%, 80%)
CMYK	cmyk(0%, 70%, 73.4%, 20.4%)
CIE-LAB	lab(47.37, 55.39, 36.62)
CIE-LCH	lch(47.37, 66.41, 33.47°)
OKLab	oklab(56.76% 0.1599 0.0826)
OKLCH	oklch(56.76% 0.18 27.3)
XYZ	xyz(26.9662, 16.3044, 5.2165)
Luminance	0.1630 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3D36 #36C4CB

analogous

#CB3679 #CB3D36 #CB8836

triadic

#CB3D36 #36CB3D #3D36CB

tetradic

#CB3D36 #79CB36 #36C4CB #8836CB

square

#CB3D36 #79CB36 #36C4CB #8836CB

split-complementary

#CB3D36 #36CB88 #3679CB

monochromatic

#6B1F1C #9C2E28 #CB3D36 #D86C67 #E49B97

Accessibility & contrast

On white

4.93

#CB3D36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#CB3D36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3D36

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3D36	#FFFFFF	#000000	##FFFFFF
##CB3D36	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)

#665D34

Deuteranopia (green-blind)

#897C31

Tritanopia (blue-blind)

#DF073D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3d36;
/* rgb */ color: rgb(203, 61, 54);
/* oklch */ color: oklch(56.8% 0.180 27.3);

Tailwind

colors: {
  custom: {
    50: '#e37b6d',
    500: '#cb3d36',
    950: '#000000',
  },
}

SCSS

$custom: #cb3d36;
$custom-light: #e37b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3d36",
  "rgb": {
    "r": 203,
    "g": 61,
    "b": 54
  },
  "hsl": {
    "h": 2.819,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.5676,
    "c": 0.17998,
    "h": 27.3
  },
  "luminance": 0.163
}

Semantic roles & 50–950 ramp

primary

#CB3D36

secondary

#8DCDD0

accent

#DBE246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3D36

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

Preview Lab → · Contrast checker → · Palette generator →