#CB4538#CB4538

#CB4538 is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.7% C 0.172 H 29.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#CB4538
RGB	rgb(203, 69, 56)
HSL	hsl(5, 59%, 51%)
HSV	hsv(5, 72%, 80%)
CMYK	cmyk(0%, 66%, 72.4%, 20.4%)
CIE-LAB	lab(48.56, 52.30, 36.84)
CIE-LCH	lch(48.56, 63.98, 35.16°)
OKLab	oklab(57.66% 0.1506 0.0835)
OKLCH	oklch(57.66% 0.172 29)
XYZ	xyz(27.4735, 17.2422, 5.6220)
Luminance	0.1724 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4538 #38BECB

analogous

#CB3874 #CB4538 #CB8E38

triadic

#CB4538 #38CB45 #4538CB

tetradic

#CB4538 #74CB38 #38BECB #8E38CB

square

#CB4538 #74CB38 #38BECB #8E38CB

split-complementary

#CB4538 #38CB8E #3874CB

monochromatic

#6C231C #9D3329 #CB4538 #D87269 #E4A099

Accessibility & contrast

On white

4.72

#CB4538 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#CB4538 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4538

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4538	#FFFFFF	#000000	##FFFFFF
##CB4538	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6136

Deuteranopia (green-blind)

#8C7E34

Tritanopia (blue-blind)

#DF2043

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb4538;
/* rgb */ color: rgb(203, 69, 56);
/* oklch */ color: oklch(57.7% 0.172 29.0);

Tailwind

colors: {
  custom: {
    50: '#e3806f',
    500: '#cb4538',
    950: '#000000',
  },
}

SCSS

$custom: #cb4538;
$custom-light: #e3806f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4538",
  "rgb": {
    "r": 203,
    "g": 69,
    "b": 56
  },
  "hsl": {
    "h": 5.306,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57661,
    "c": 0.1722,
    "h": 29
  },
  "luminance": 0.17238
}

Semantic roles & 50–950 ramp

primary

#CB4538

secondary

#8FCAD0

accent

#D4E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4538

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

Preview Lab → · Contrast checker → · Palette generator →