#E05437#E05437

#E05437 is a light, vivid red. Relative luminance 0.225; OKLCH L 62.8% C 0.180 H 33.5°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#E05437
RGB	rgb(224, 84, 55)
HSL	hsl(10, 73%, 55%)
HSV	hsv(10, 75%, 88%)
CMYK	cmyk(0%, 62.5%, 75.4%, 12.2%)
CIE-LAB	lab(54.52, 53.06, 44.94)
CIE-LCH	lch(54.52, 69.53, 40.27°)
OKLab	oklab(62.81% 0.1505 0.0995)
OKLCH	oklch(62.81% 0.18 33.5)
XYZ	xyz(34.6041, 22.4687, 6.1284)
Luminance	0.2246 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E05437 #37C3E0

analogous

#E0376F #E05437 #E0A937

triadic

#E05437 #37E054 #5437E0

tetradic

#E05437 #6FE037 #37C3E0 #A937E0

square

#E05437 #6FE037 #37C3E0 #A937E0

split-complementary

#E05437 #37E0A9 #376FE0

monochromatic

#882915 #BD391D #E05437 #E8816C #F0AFA1

Accessibility & contrast

On white

3.82

#E05437 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#E05437 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E05437

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E05437	#FFFFFF	#000000	##000000
##E05437	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6F33

Deuteranopia (green-blind)

#9E8E32

Tritanopia (blue-blind)

#F6304E

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #e05437;
/* rgb */ color: rgb(224, 84, 55);
/* oklch */ color: oklch(62.8% 0.180 33.5);

Tailwind

colors: {
  custom: {
    50: '#f28a6f',
    500: '#e05437',
    950: '#000000',
  },
}

SCSS

$custom: #e05437;
$custom-light: #f28a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#e05437",
  "rgb": {
    "r": 224,
    "g": 84,
    "b": 55
  },
  "hsl": {
    "h": 10.296,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.62812,
    "c": 0.18045,
    "h": 33.5
  },
  "luminance": 0.22464
}

Semantic roles & 50–950 ramp

primary

#E05437

secondary

#96D1DD

accent

#D0F038

background

#FFF8F6

surface

#FFF0EC

border

#D7CBC7

text

#190C07

muted

#867D7A

Preview Lab

Preview with #E05437

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

Preview Lab → · Contrast checker → · Palette generator →