#E3634A#E3634A

#E3634A is a light, vivid red. Relative luminance 0.257; OKLCH L 65.5% C 0.165 H 32.8°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#E3634A
RGB	rgb(227, 99, 74)
HSL	hsl(10, 73%, 59%)
HSV	hsv(10, 67%, 89%)
CMYK	cmyk(0%, 56.4%, 67.4%, 11%)
CIE-LAB	lab(57.80, 48.21, 38.60)
CIE-LCH	lch(57.80, 61.76, 38.68°)
OKLab	oklab(65.45% 0.1387 0.0894)
OKLCH	oklch(65.45% 0.165 32.8)
XYZ	xyz(37.3800, 25.7538, 9.4798)
Luminance	0.2575 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3634A #4ACAE3

analogous

#E34A7E #E3634A #E3B04A

triadic

#E3634A #4AE363 #634AE3

tetradic

#E3634A #7EE34A #4ACAE3 #B04AE3

square

#E3634A #7EE34A #4ACAE3 #B04AE3

split-complementary

#E3634A #4AE3B0 #4A7EE3

monochromatic

#9B2D18 #D03D20 #E3634A #EB917F #F3BEB4

Accessibility & contrast

On white

3.41

#E3634A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#E3634A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3634A

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3634A	#FFFFFF	#000000	##000000
##E3634A	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#857947

Deuteranopia (green-blind)

#A59547

Tritanopia (blue-blind)

#F8495E

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #e3634a;
/* rgb */ color: rgb(227, 99, 74);
/* oklch */ color: oklch(65.5% 0.165 32.8);

Tailwind

colors: {
  custom: {
    50: '#f3937d',
    500: '#e3634a',
    950: '#000000',
  },
}

SCSS

$custom: #e3634a;
$custom-light: #f3937d;
$custom-dark: #000000;

JSON

{
  "hex": "#e3634a",
  "rgb": {
    "r": 227,
    "g": 99,
    "b": 74
  },
  "hsl": {
    "h": 9.804,
    "s": 73.206,
    "l": 59.02
  },
  "oklch": {
    "l": 0.65453,
    "c": 0.165,
    "h": 32.8
  },
  "luminance": 0.25749
}

Semantic roles & 50–950 ramp

primary

#E3634A

secondary

#A6D9E2

accent

#D2F038

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#180D0A

muted

#867E7C

Preview Lab

Preview with #E3634A

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

Preview Lab → · Contrast checker → · Palette generator →