#E3634D#E3634D

#E3634D is a light, vivid red. Relative luminance 0.258; OKLCH L 65.5% C 0.164 H 31.7°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#E3634D
RGB	rgb(227, 99, 77)
HSL	hsl(9, 73%, 60%)
HSV	hsv(9, 66%, 89%)
CMYK	cmyk(0%, 56.4%, 66.1%, 11%)
CIE-LAB	lab(57.84, 48.38, 37.00)
CIE-LCH	lch(57.84, 60.91, 37.41°)
OKLab	oklab(65.5% 0.1398 0.0863)
OKLCH	oklch(65.5% 0.164 31.7)
XYZ	xyz(37.4835, 25.7952, 10.0249)
Luminance	0.2579 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3634D #4DCDE3

analogous

#E34D82 #E3634D #E3AE4D

triadic

#E3634D #4DE363 #634DE3

tetradic

#E3634D #82E34D #4DCDE3 #AE4DE3

square

#E3634D #82E34D #4DCDE3 #AE4DE3

split-complementary

#E3634D #4DE3AE #4D82E3

monochromatic

#9D2C19 #D23B21 #E3634D #EB9182 #F4C0B7

Accessibility & contrast

On white

3.41

#E3634D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#E3634D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3634D

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3634D	#FFFFFF	#000000	##000000
##E3634D	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#857A4A

Deuteranopia (green-blind)

#A4954A

Tritanopia (blue-blind)

#F8495E

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #e3634d;
/* rgb */ color: rgb(227, 99, 77);
/* oklch */ color: oklch(65.5% 0.164 31.7);

Tailwind

colors: {
  custom: {
    50: '#f3937f',
    500: '#e3634d',
    950: '#000000',
  },
}

SCSS

$custom: #e3634d;
$custom-light: #f3937f;
$custom-dark: #000000;

JSON

{
  "hex": "#e3634d",
  "rgb": {
    "r": 227,
    "g": 99,
    "b": 77
  },
  "hsl": {
    "h": 8.8,
    "s": 72.816,
    "l": 59.608
  },
  "oklch": {
    "l": 0.65496,
    "c": 0.16426,
    "h": 31.7
  },
  "luminance": 0.2579
}

Semantic roles & 50–950 ramp

primary

#E3634D

secondary

#A9DAE3

accent

#D5F038

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#180D0A

muted

#867E7C

Preview Lab

Preview with #E3634D

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

Preview Lab → · Contrast checker → · Palette generator →