#CB4438#CB4438

#CB4438 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.5% C 0.173 H 28.7°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#CB4438
RGB	rgb(203, 68, 56)
HSL	hsl(5, 59%, 51%)
HSV	hsv(5, 72%, 80%)
CMYK	cmyk(0%, 66.5%, 72.4%, 20.4%)
CIE-LAB	lab(48.41, 52.71, 36.67)
CIE-LCH	lch(48.41, 64.21, 34.82°)
OKLab	oklab(57.55% 0.1519 0.0831)
OKLCH	oklch(57.55% 0.173 28.7)
XYZ	xyz(27.4125, 17.1203, 5.6017)
Luminance	0.1712 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB4438 #38BFCB

analogous

#CB3875 #CB4438 #CB8D38

triadic

#CB4438 #38CB44 #4438CB

tetradic

#CB4438 #75CB38 #38BFCB #8D38CB

square

#CB4438 #75CB38 #38BFCB #8D38CB

split-complementary

#CB4438 #38CB8D #3875CB

monochromatic

#6C231C #9D3229 #CB4438 #D87269 #E49F99

Accessibility & contrast

On white

4.75

#CB4438 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#CB4438 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB4438

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB4438	#FFFFFF	#000000	##FFFFFF
##CB4438	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6036

Deuteranopia (green-blind)

#8B7E34

Tritanopia (blue-blind)

#DF1E42

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb4438;
/* rgb */ color: rgb(203, 68, 56);
/* oklch */ color: oklch(57.5% 0.173 28.7);

Tailwind

colors: {
  custom: {
    50: '#e37f6f',
    500: '#cb4438',
    950: '#000000',
  },
}

SCSS

$custom: #cb4438;
$custom-light: #e37f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#cb4438",
  "rgb": {
    "r": 203,
    "g": 68,
    "b": 56
  },
  "hsl": {
    "h": 4.898,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57546,
    "c": 0.17315,
    "h": 28.7
  },
  "luminance": 0.17116
}

Semantic roles & 50–950 ramp

primary

#CB4438

secondary

#8FCBD0

accent

#D5E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB4438

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

Preview Lab → · Contrast checker → · Palette generator →