#CB433F#CB433F

#CB433F is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.5% C 0.173 H 25.9°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#CB433F
RGB	rgb(203, 67, 63)
HSL	hsl(2, 57%, 52%)
HSV	hsv(2, 69%, 80%)
CMYK	cmyk(0%, 67%, 69%, 20.4%)
CIE-LAB	lab(48.35, 53.46, 32.60)
CIE-LCH	lch(48.35, 62.62, 31.37°)
OKLab	oklab(57.53% 0.1557 0.0755)
OKLCH	oklch(57.53% 0.173 25.9)
XYZ	xyz(27.5359, 17.0737, 6.5473)
Luminance	0.1707 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB433F #3FC7CB

analogous

#CB3F81 #CB433F #CB893F

triadic

#CB433F #3FCB43 #433FCB

tetradic

#CB433F #81CB3F #3FC7CB #893FCB

square

#CB433F #81CB3F #3FC7CB #893FCB

split-complementary

#CB433F #3FCB89 #3F81CB

monochromatic

#71211F #A12F2C #CB433F #D8726F #E5A19F

Accessibility & contrast

On white

4.76

#CB433F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#CB433F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB433F

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB433F	#FFFFFF	#000000	##FFFFFF
##CB433F	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68603D

Deuteranopia (green-blind)

#8B7E3B

Tritanopia (blue-blind)

#DF1E43

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb433f;
/* rgb */ color: rgb(203, 67, 63);
/* oklch */ color: oklch(57.5% 0.173 25.9);

Tailwind

colors: {
  custom: {
    50: '#e37f74',
    500: '#cb433f',
    950: '#000000',
  },
}

SCSS

$custom: #cb433f;
$custom-light: #e37f74;
$custom-dark: #000000;

JSON

{
  "hex": "#cb433f",
  "rgb": {
    "r": 203,
    "g": 67,
    "b": 63
  },
  "hsl": {
    "h": 1.714,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57532,
    "c": 0.17301,
    "h": 25.9
  },
  "luminance": 0.1707
}

Semantic roles & 50–950 ramp

primary

#CB433F

secondary

#94D0D1

accent

#DCE147

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB433F

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

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