#CB3E38#CB3E38

#CB3E38 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.9% C 0.179 H 26.9°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#CB3E38
RGB	rgb(203, 62, 56)
HSL	hsl(2, 59%, 51%)
HSV	hsv(2, 72%, 80%)
CMYK	cmyk(0%, 69.5%, 72.4%, 20.4%)
CIE-LAB	lab(47.54, 55.10, 35.67)
CIE-LCH	lch(47.54, 65.64, 32.92°)
OKLab	oklab(56.89% 0.1594 0.0809)
OKLCH	oklch(56.89% 0.179 26.9)
XYZ	xyz(27.0680, 16.4313, 5.4869)
Luminance	0.1643 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB3E38 #38C5CB

analogous

#CB387B #CB3E38 #CB8738

triadic

#CB3E38 #38CB3E #3E38CB

tetradic

#CB3E38 #7BCB38 #38C5CB #8738CB

square

#CB3E38 #7BCB38 #38C5CB #8738CB

split-complementary

#CB3E38 #38CB87 #387BCB

monochromatic

#6C201C #9D2E29 #CB3E38 #D86D69 #E49C99

Accessibility & contrast

On white

4.90

#CB3E38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#CB3E38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB3E38

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB3E38	#FFFFFF	#000000	##FFFFFF
##CB3E38	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D36

Deuteranopia (green-blind)

#897C33

Tritanopia (blue-blind)

#DF0D3E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cb3e38;
/* rgb */ color: rgb(203, 62, 56);
/* oklch */ color: oklch(56.9% 0.179 26.9);

Tailwind

colors: {
  custom: {
    50: '#e37c6f',
    500: '#cb3e38',
    950: '#000000',
  },
}

SCSS

$custom: #cb3e38;
$custom-light: #e37c6f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb3e38",
  "rgb": {
    "r": 203,
    "g": 62,
    "b": 56
  },
  "hsl": {
    "h": 2.449,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5689,
    "c": 0.17877,
    "h": 26.9
  },
  "luminance": 0.16427
}

Semantic roles & 50–950 ramp

primary

#CB3E38

secondary

#8FCDD0

accent

#DBE246

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CB3E38

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

Preview Lab → · Contrast checker → · Palette generator →