#E05537#E05537

#E05537 is a light, vivid red. Relative luminance 0.226; OKLCH L 62.9% C 0.180 H 33.8°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#E05537
RGB	rgb(224, 85, 55)
HSL	hsl(11, 73%, 55%)
HSV	hsv(11, 75%, 88%)
CMYK	cmyk(0%, 62.1%, 75.4%, 12.2%)
CIE-LAB	lab(54.68, 52.62, 45.11)
CIE-LCH	lch(54.68, 69.31, 40.61°)
OKLab	oklab(62.93% 0.1492 0.0999)
OKLCH	oklch(62.93% 0.18 33.8)
XYZ	xyz(34.6823, 22.6250, 6.1545)
Luminance	0.2262 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E05537 #37C2E0

analogous

#E0376E #E05537 #E0AA37

triadic

#E05537 #37E055 #5537E0

tetradic

#E05537 #6EE037 #37C2E0 #AA37E0

square

#E05537 #6EE037 #37C2E0 #AA37E0

split-complementary

#E05537 #37E0AA #376EE0

monochromatic

#882915 #BD3A1D #E05537 #E8826C #F0AFA1

Accessibility & contrast

On white

3.80

#E05537 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#E05537 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E05537

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E05537	#FFFFFF	#000000	##000000
##E05537	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7033

Deuteranopia (green-blind)

#9E8E32

Tritanopia (blue-blind)

#F6324F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #e05537;
/* rgb */ color: rgb(224, 85, 55);
/* oklch */ color: oklch(62.9% 0.180 33.8);

Tailwind

colors: {
  custom: {
    50: '#f28a70',
    500: '#e05537',
    950: '#000000',
  },
}

SCSS

$custom: #e05537;
$custom-light: #f28a70;
$custom-dark: #000000;

JSON

{
  "hex": "#e05537",
  "rgb": {
    "r": 224,
    "g": 85,
    "b": 55
  },
  "hsl": {
    "h": 10.651,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.62935,
    "c": 0.17955,
    "h": 33.8
  },
  "luminance": 0.2262
}

Semantic roles & 50–950 ramp

primary

#E05537

secondary

#96D0DD

accent

#CFF038

background

#FFF8F6

surface

#FFF0EC

border

#D7CBC7

text

#190C07

muted

#867D7A

Preview Lab

Preview with #E05537

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

Preview Lab → · Contrast checker → · Palette generator →