#E04A37#E04A37

#E04A37 is a mid, vivid red. Relative luminance 0.210; OKLCH L 61.7% C 0.190 H 30.4°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#E04A37
RGB	rgb(224, 74, 55)
HSL	hsl(7, 73%, 55%)
HSV	hsv(7, 75%, 88%)
CMYK	cmyk(0%, 67%, 75.4%, 12.2%)
CIE-LAB	lab(52.98, 57.21, 43.30)
CIE-LCH	lch(52.98, 71.75, 37.12°)
OKLab	oklab(61.65% 0.1635 0.096)
OKLCH	oklch(61.65% 0.19 30.4)
XYZ	xyz(33.8826, 21.0257, 5.8879)
Luminance	0.2102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E04A37 #37CDE0

analogous

#E03778 #E04A37 #E09F37

triadic

#E04A37 #37E04A #4A37E0

tetradic

#E04A37 #78E037 #37CDE0 #9F37E0

square

#E04A37 #78E037 #37CDE0 #9F37E0

split-complementary

#E04A37 #37E09F #3778E0

monochromatic

#882215 #BD2F1D #E04A37 #E87A6C #F0AAA1

Accessibility & contrast

On white

4.04

#E04A37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#E04A37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E04A37

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E04A37	#FFFFFF	#000000	##000000
##E04A37	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#756A34

Deuteranopia (green-blind)

#9A8B31

Tritanopia (blue-blind)

#F61B47

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #e04a37;
/* rgb */ color: rgb(224, 74, 55);
/* oklch */ color: oklch(61.7% 0.190 30.4);

Tailwind

colors: {
  custom: {
    50: '#f3846f',
    500: '#e04a37',
    950: '#000000',
  },
}

SCSS

$custom: #e04a37;
$custom-light: #f3846f;
$custom-dark: #000000;

JSON

{
  "hex": "#e04a37",
  "rgb": {
    "r": 224,
    "g": 74,
    "b": 55
  },
  "hsl": {
    "h": 6.746,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.61652,
    "c": 0.18954,
    "h": 30.4
  },
  "luminance": 0.21021
}

Semantic roles & 50–950 ramp

primary

#E04A37

secondary

#96D5DD

accent

#DBF038

background

#FFF8F6

surface

#FFF0EC

border

#D7CBC7

text

#190B07

muted

#867C7A

Preview Lab

Preview with #E04A37

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

Preview Lab → · Contrast checker → · Palette generator →