#CB3B36#CB3B36

#CB3B36 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.6% C 0.182 H 26.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#CB3B36
RGB	rgb(203, 59, 54)
HSL	hsl(2, 59%, 50%)
HSV	hsv(2, 73%, 80%)
CMYK	cmyk(0%, 70.9%, 73.4%, 20.4%)
CIE-LAB	lab(47.10, 56.14, 36.31)
CIE-LCH	lch(47.10, 66.86, 32.90°)
OKLab	oklab(56.56% 0.1623 0.0819)
OKLCH	oklch(56.56% 0.182 26.8)
XYZ	xyz(26.8615, 16.0948, 5.1815)
Luminance	0.1609 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3B36 #36C6CB

analogous

#CB367C #CB3B36 #CB8536

triadic

#CB3B36 #36CB3B #3B36CB

tetradic

#CB3B36 #7CCB36 #36C6CB #8536CB

square

#CB3B36 #7CCB36 #36C6CB #8536CB

split-complementary

#CB3B36 #36CB85 #367CCB

monochromatic

#6B1E1C #9C2C28 #CB3B36 #D86A67 #E49A97

Accessibility & contrast

On white

4.98

#CB3B36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#CB3B36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3B36

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3B36	#FFFFFF	#000000	##FFFFFF
##CB3B36	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)

#655C34

Deuteranopia (green-blind)

#897B31

Tritanopia (blue-blind)

#DF003B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cb3b36;
/* rgb */ color: rgb(203, 59, 54);
/* oklch */ color: oklch(56.6% 0.182 26.8);

Tailwind

colors: {
  custom: {
    50: '#e37a6d',
    500: '#cb3b36',
    950: '#000000',
  },
}

SCSS

$custom: #cb3b36;
$custom-light: #e37a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3b36",
  "rgb": {
    "r": 203,
    "g": 59,
    "b": 54
  },
  "hsl": {
    "h": 2.013,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56556,
    "c": 0.18178,
    "h": 26.8
  },
  "luminance": 0.16091
}

Semantic roles & 50–950 ramp

primary

#CB3B36

secondary

#8DCDD0

accent

#DDE246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3B36

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

Preview Lab → · Contrast checker → · Palette generator →