#E3583A#E3583A

#E3583A is a light, vivid red. Relative luminance 0.236; OKLCH L 63.8% C 0.179 H 33.8°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#E3583A
RGB	rgb(227, 88, 58)
HSL	hsl(11, 75%, 56%)
HSV	hsv(11, 74%, 89%)
CMYK	cmyk(0%, 61.2%, 74.4%, 11%)
CIE-LAB	lab(55.71, 52.47, 44.79)
CIE-LCH	lch(55.71, 68.99, 40.49°)
OKLab	oklab(63.81% 0.149 0.0998)
OKLCH	oklch(63.81% 0.179 33.8)
XYZ	xyz(35.9358, 23.6209, 6.6692)
Luminance	0.2362 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3583A #3AC5E3

analogous

#E33A70 #E3583A #E3AC3A

triadic

#E3583A #3AE358 #583AE3

tetradic

#E3583A #70E33A #3AC5E3 #AC3AE3

square

#E3583A #70E33A #3AC5E3 #AC3AE3

split-complementary

#E3583A #3AE3AC #3A70E3

monochromatic

#8E2A14 #C43A1C #E3583A #EB8570 #F2B3A5

Accessibility & contrast

On white

3.67

#E3583A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#E3583A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3583A

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3583A	#FFFFFF	#000000	##000000
##E3583A	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7236

Deuteranopia (green-blind)

#A19135

Tritanopia (blue-blind)

#F93652

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #e3583a;
/* rgb */ color: rgb(227, 88, 58);
/* oklch */ color: oklch(63.8% 0.179 33.8);

Tailwind

colors: {
  custom: {
    50: '#f48c72',
    500: '#e3583a',
    950: '#000000',
  },
}

SCSS

$custom: #e3583a;
$custom-light: #f48c72;
$custom-dark: #000000;

JSON

{
  "hex": "#e3583a",
  "rgb": {
    "r": 227,
    "g": 88,
    "b": 58
  },
  "hsl": {
    "h": 10.651,
    "s": 75.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63809,
    "c": 0.17927,
    "h": 33.8
  },
  "luminance": 0.23616
}

Semantic roles & 50–950 ramp

primary

#E3583A

secondary

#99D3DF

accent

#D0F236

background

#FFF8F6

surface

#FFF0EC

border

#D7CBC7

text

#190C08

muted

#867D7B

Preview Lab

Preview with #E3583A

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

Preview Lab → · Contrast checker → · Palette generator →