#CA403B#CA403B

#CA403B is a mid, vivid red. Relative luminance 0.165; OKLCH L 57.0% C 0.175 H 26.4°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#CA403B
RGB	rgb(202, 64, 59)
HSL	hsl(2, 57%, 51%)
HSV	hsv(2, 71%, 79%)
CMYK	cmyk(0%, 68.3%, 70.8%, 20.8%)
CIE-LAB	lab(47.68, 54.14, 34.07)
CIE-LCH	lch(47.68, 63.96, 32.18°)
OKLab	oklab(56.98% 0.1571 0.078)
OKLCH	oklch(56.98% 0.175 26.4)
XYZ	xyz(26.9829, 16.5431, 5.9091)
Luminance	0.1654 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CA403B #3BC5CA

analogous

#CA3B7D #CA403B #CA873B

triadic

#CA403B #3BCA40 #403BCA

tetradic

#CA403B #7DCA3B #3BC5CA #873BCA

square

#CA403B #7DCA3B #3BC5CA #873BCA

split-complementary

#CA403B #3BCA87 #3B7DCA

monochromatic

#6D201E #9D2F2B #CA403B #D76F6B #E49E9B

Accessibility & contrast

On white

4.87

#CA403B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#CA403B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CA403B

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CA403B	#FFFFFF	#000000	##FFFFFF
##CA403B	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E39

Deuteranopia (green-blind)

#897C37

Tritanopia (blue-blind)

#DE1640

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #ca403b;
/* rgb */ color: rgb(202, 64, 59);
/* oklch */ color: oklch(57.0% 0.175 26.4);

Tailwind

colors: {
  custom: {
    50: '#e27d71',
    500: '#ca403b',
    950: '#000000',
  },
}

SCSS

$custom: #ca403b;
$custom-light: #e27d71;
$custom-dark: #000000;

JSON

{
  "hex": "#ca403b",
  "rgb": {
    "r": 202,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 2.098,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56977,
    "c": 0.17542,
    "h": 26.4
  },
  "luminance": 0.16539
}

Semantic roles & 50–950 ramp

primary

#CA403B

secondary

#91CED0

accent

#DBE147

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CA403B

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

Preview Lab → · Contrast checker → · Palette generator →