#CB433B#CB433B

#CB433B is a mid, vivid red. Relative luminance 0.170; OKLCH L 57.5% C 0.174 H 27.3°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#CB433B
RGB	rgb(203, 67, 59)
HSL	hsl(3, 58%, 51%)
HSV	hsv(3, 71%, 80%)
CMYK	cmyk(0%, 67%, 70.9%, 20.4%)
CIE-LAB	lab(48.30, 53.26, 34.84)
CIE-LCH	lch(48.30, 63.64, 33.19°)
OKLab	oklab(57.47% 0.1543 0.0797)
OKLCH	oklch(57.47% 0.174 27.3)
XYZ	xyz(27.4281, 17.0306, 5.9798)
Luminance	0.1703 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB433B #3BC3CB

analogous

#CB3B7B #CB433B #CB8B3B

triadic

#CB433B #3BCB43 #433BCB

tetradic

#CB433B #7BCB3B #3BC3CB #8B3BCB

square

#CB433B #7BCB3B #3BC3CB #8B3BCB

split-complementary

#CB433B #3BCB8B #3B7BCB

monochromatic

#6E221D #9F312A #CB433B #D8716B #E5A09C

Accessibility & contrast

On white

4.77

#CB433B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#CB433B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB433B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB433B	#FFFFFF	#000000	##FFFFFF
##CB433B	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696039

Deuteranopia (green-blind)

#8B7E37

Tritanopia (blue-blind)

#DF1C42

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb433b;
/* rgb */ color: rgb(203, 67, 59);
/* oklch */ color: oklch(57.5% 0.174 27.3);

Tailwind

colors: {
  custom: {
    50: '#e37f71',
    500: '#cb433b',
    950: '#000000',
  },
}

SCSS

$custom: #cb433b;
$custom-light: #e37f71;
$custom-dark: #000000;

JSON

{
  "hex": "#cb433b",
  "rgb": {
    "r": 203,
    "g": 67,
    "b": 59
  },
  "hsl": {
    "h": 3.333,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57474,
    "c": 0.17361,
    "h": 27.3
  },
  "luminance": 0.17027
}

Semantic roles & 50–950 ramp

primary

#CB433B

secondary

#91CDD1

accent

#D9E147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CB433B

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

Preview Lab → · Contrast checker → · Palette generator →