#E3643D#E3643D

#E3643D is a light, vivid red. Relative luminance 0.258; OKLCH L 65.4% C 0.168 H 37.5°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#E3643D
RGB	rgb(227, 100, 61)
HSL	hsl(14, 75%, 56%)
HSV	hsv(14, 73%, 89%)
CMYK	cmyk(0%, 55.9%, 73.1%, 11%)
CIE-LAB	lab(57.83, 47.10, 45.54)
CIE-LCH	lch(57.83, 65.52, 44.04°)
OKLab	oklab(65.43% 0.1329 0.102)
OKLCH	oklch(65.43% 0.168 37.5)
XYZ	xyz(37.0818, 25.7870, 7.4387)
Luminance	0.2578 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3643D #3DBCE3

analogous

#E33D69 #E3643D #E3B73D

triadic

#E3643D #3DE364 #643DE3

tetradic

#E3643D #69E33D #3DBCE3 #B73DE3

square

#E3643D #69E33D #3DBCE3 #B73DE3

split-complementary

#E3643D #3DE3B7 #3D69E3

monochromatic

#913215 #C6441D #E3643D #EB8F72 #F2B9A8

Accessibility & contrast

On white

3.41

#E3643D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#E3643D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3643D

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3643D	#FFFFFF	#000000	##000000
##E3643D	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)

#877938

Deuteranopia (green-blind)

#A69639

Tritanopia (blue-blind)

#F9485C

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #e3643d;
/* rgb */ color: rgb(227, 100, 61);
/* oklch */ color: oklch(65.4% 0.168 37.5);

Tailwind

colors: {
  custom: {
    50: '#f39474',
    500: '#e3643d',
    950: '#000000',
  },
}

SCSS

$custom: #e3643d;
$custom-light: #f39474;
$custom-dark: #000000;

JSON

{
  "hex": "#e3643d",
  "rgb": {
    "r": 227,
    "g": 100,
    "b": 61
  },
  "hsl": {
    "h": 14.096,
    "s": 74.775,
    "l": 56.471
  },
  "oklch": {
    "l": 0.65429,
    "c": 0.16755,
    "h": 37.5
  },
  "luminance": 0.25782
}

Semantic roles & 50–950 ramp

primary

#E3643D

secondary

#9CD0E0

accent

#C5F136

background

#FFF9F7

surface

#FFF2ED

border

#D7CCC8

text

#180D08

muted

#867E7B

Preview Lab

Preview with #E3643D

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

Preview Lab → · Contrast checker → · Palette generator →