#CB453B#CB453B

#CB453B is a mid, vivid red. Relative luminance 0.173; OKLCH L 57.7% C 0.172 H 27.9°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#CB453B
RGB	rgb(203, 69, 59)
HSL	hsl(4, 58%, 51%)
HSV	hsv(4, 71%, 80%)
CMYK	cmyk(0%, 66%, 70.9%, 20.4%)
CIE-LAB	lab(48.60, 52.44, 35.19)
CIE-LCH	lch(48.60, 63.15, 33.86°)
OKLab	oklab(57.7% 0.1517 0.0804)
OKLCH	oklch(57.7% 0.172 27.9)
XYZ	xyz(27.5491, 17.2725, 6.0201)
Luminance	0.1727 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CB453B #3BC1CB

analogous

#CB3B79 #CB453B #CB8D3B

triadic

#CB453B #3BCB45 #453BCB

tetradic

#CB453B #79CB3B #3BC1CB #8D3BCB

square

#CB453B #79CB3B #3BC1CB #8D3BCB

split-complementary

#CB453B #3BCB8D #3B79CB

monochromatic

#6E231D #9F322A #CB453B #D8736B #E5A19C

Accessibility & contrast

On white

4.72

#CB453B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#CB453B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CB453B

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CB453B	#FFFFFF	#000000	##FFFFFF
##CB453B	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)

#6A6139

Deuteranopia (green-blind)

#8C7E37

Tritanopia (blue-blind)

#DF2144

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cb453b;
/* rgb */ color: rgb(203, 69, 59);
/* oklch */ color: oklch(57.7% 0.172 27.9);

Tailwind

colors: {
  custom: {
    50: '#e38071',
    500: '#cb453b',
    950: '#000000',
  },
}

SCSS

$custom: #cb453b;
$custom-light: #e38071;
$custom-dark: #000000;

JSON

{
  "hex": "#cb453b",
  "rgb": {
    "r": 203,
    "g": 69,
    "b": 59
  },
  "hsl": {
    "h": 4.167,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57701,
    "c": 0.17168,
    "h": 27.9
  },
  "luminance": 0.17269
}

Semantic roles & 50–950 ramp

primary

#CB453B

secondary

#91CCD1

accent

#D7E147

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B08

muted

#857C7B

Preview Lab

Preview with #CB453B

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

Preview Lab → · Contrast checker → · Palette generator →