#E0403C#E0403C

#E0403C is a mid, vivid red. Relative luminance 0.198; OKLCH L 60.7% C 0.198 H 26.5°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#E0403C
RGB	rgb(224, 64, 60)
HSL	hsl(1, 73%, 56%)
HSV	hsv(1, 73%, 88%)
CMYK	cmyk(0%, 71.4%, 73.2%, 12.2%)
CIE-LAB	lab(51.66, 61.17, 39.11)
CIE-LCH	lch(51.66, 72.60, 32.60°)
OKLab	oklab(60.69% 0.1769 0.0881)
OKLCH	oklch(60.69% 0.198 26.5)
XYZ	xyz(33.3933, 19.8454, 6.3463)
Luminance	0.1984 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E0403C #3CDCE0

analogous

#E03C8A #E0403C #E0923C

triadic

#E0403C #3CE040 #403CE0

tetradic

#E0403C #8AE03C #3CDCE0 #923CE0

square

#E0403C #8AE03C #3CDCE0 #923CE0

split-complementary

#E0403C #3CE092 #3C8AE0

monochromatic

#8B1916 #C0231F #E0403C #E87471 #F1A7A6

Accessibility & contrast

On white

4.23

#E0403C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#E0403C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E0403C

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E0403C	#FFFFFF	#000000	##000000
##E0403C	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F653A

Deuteranopia (green-blind)

#978836

Tritanopia (blue-blind)

#F60041

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #e0403c;
/* rgb */ color: rgb(224, 64, 60);
/* oklch */ color: oklch(60.7% 0.198 26.5);

Tailwind

colors: {
  custom: {
    50: '#f38072',
    500: '#e0403c',
    950: '#000000',
  },
}

SCSS

$custom: #e0403c;
$custom-light: #f38072;
$custom-dark: #000000;

JSON

{
  "hex": "#e0403c",
  "rgb": {
    "r": 224,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 1.463,
    "s": 72.566,
    "l": 55.686
  },
  "oklch": {
    "l": 0.60685,
    "c": 0.19758,
    "h": 26.5
  },
  "luminance": 0.1984
}

Semantic roles & 50–950 ramp

primary

#E0403C

secondary

#9ADCDE

accent

#EBEF39

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B08

muted

#867C7B

Preview Lab

Preview with #E0403C

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

Preview Lab → · Contrast checker → · Palette generator →