#E3644C#E3644C

#E3644C is a light, vivid red. Relative luminance 0.260; OKLCH L 65.6% C 0.164 H 32.5°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#E3644C
RGB	rgb(227, 100, 76)
HSL	hsl(10, 73%, 59%)
HSV	hsv(10, 67%, 89%)
CMYK	cmyk(0%, 55.9%, 66.5%, 11%)
CIE-LAB	lab(58.01, 47.85, 37.75)
CIE-LCH	lch(58.01, 60.95, 38.27°)
OKLab	oklab(65.62% 0.138 0.0878)
OKLCH	oklch(65.62% 0.164 32.5)
XYZ	xyz(37.5438, 25.9718, 9.8721)
Luminance	0.2597 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3644C #4CCBE3

analogous

#E34C80 #E3644C #E3AF4C

triadic

#E3644C #4CE364 #644CE3

tetradic

#E3644C #80E34C #4CCBE3 #AF4CE3

square

#E3644C #80E34C #4CCBE3 #AF4CE3

split-complementary

#E3644C #4CE3AF #4C80E3

monochromatic

#9C2D18 #D13D21 #E3644C #EB9281 #F4C0B6

Accessibility & contrast

On white

3.39

#E3644C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#E3644C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3644C

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3644C	#FFFFFF	#000000	##000000
##E3644C	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#857A49

Deuteranopia (green-blind)

#A59649

Tritanopia (blue-blind)

#F84A5F

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #e3644c;
/* rgb */ color: rgb(227, 100, 76);
/* oklch */ color: oklch(65.6% 0.164 32.5);

Tailwind

colors: {
  custom: {
    50: '#f3947f',
    500: '#e3644c',
    950: '#000000',
  },
}

SCSS

$custom: #e3644c;
$custom-light: #f3947f;
$custom-dark: #000000;

JSON

{
  "hex": "#e3644c",
  "rgb": {
    "r": 227,
    "g": 100,
    "b": 76
  },
  "hsl": {
    "h": 9.536,
    "s": 72.947,
    "l": 59.412
  },
  "oklch": {
    "l": 0.65619,
    "c": 0.16352,
    "h": 32.5
  },
  "luminance": 0.25967
}

Semantic roles & 50–950 ramp

primary

#E3644C

secondary

#A8D9E3

accent

#D2F038

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#180D0A

muted

#867E7C

Preview Lab

Preview with #E3644C

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

Preview Lab → · Contrast checker → · Palette generator →