#E3643F#E3643F

#E3643F is a light, vivid red. Relative luminance 0.258; OKLCH L 65.5% C 0.167 H 36.9°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#E3643F
RGB	rgb(227, 100, 63)
HSL	hsl(14, 75%, 57%)
HSV	hsv(14, 72%, 89%)
CMYK	cmyk(0%, 55.9%, 72.2%, 11%)
CIE-LAB	lab(57.86, 47.19, 44.53)
CIE-LCH	lch(57.86, 64.88, 43.34°)
OKLab	oklab(65.45% 0.1335 0.1003)
OKLCH	oklch(65.45% 0.167 36.9)
XYZ	xyz(37.1366, 25.8090, 7.7277)
Luminance	0.2580 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3643F #3FBEE3

analogous

#E33F6C #E3643F #E3B63F

triadic

#E3643F #3FE364 #643FE3

tetradic

#E3643F #6CE33F #3FBEE3 #B63FE3

square

#E3643F #6CE33F #3FBEE3 #B63FE3

split-complementary

#E3643F #3FE3B6 #3F6CE3

monochromatic

#923215 #C8441D #E3643F #EB8F74 #F3BAAA

Accessibility & contrast

On white

3.41

#E3643F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#E3643F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3643F

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3643F	#FFFFFF	#000000	##000000
##E3643F	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)

#877A3B

Deuteranopia (green-blind)

#A6963C

Tritanopia (blue-blind)

#F9495C

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #e3643f;
/* rgb */ color: rgb(227, 100, 63);
/* oklch */ color: oklch(65.5% 0.167 36.9);

Tailwind

colors: {
  custom: {
    50: '#f39476',
    500: '#e3643f',
    950: '#000000',
  },
}

SCSS

$custom: #e3643f;
$custom-light: #f39476;
$custom-dark: #000000;

JSON

{
  "hex": "#e3643f",
  "rgb": {
    "r": 227,
    "g": 100,
    "b": 63
  },
  "hsl": {
    "h": 13.537,
    "s": 74.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.65452,
    "c": 0.167,
    "h": 36.9
  },
  "luminance": 0.25804
}

Semantic roles & 50–950 ramp

primary

#E3643F

secondary

#9DD1E0

accent

#C7F137

background

#FFF9F7

surface

#FFF2ED

border

#D7CCC8

text

#180D08

muted

#867E7B

Preview Lab

Preview with #E3643F

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

Preview Lab → · Contrast checker → · Palette generator →