#E53F37#E53F37

#E53F37 is a mid, highly saturated red. Relative luminance 0.205; OKLCH L 61.4% C 0.204 H 27.7°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#E53F37
RGB	rgb(229, 63, 55)
HSL	hsl(3, 77%, 56%)
HSV	hsv(3, 76%, 90%)
CMYK	cmyk(0%, 72.5%, 76%, 10.2%)
CIE-LAB	lab(52.39, 62.85, 42.93)
CIE-LCH	lch(52.39, 76.12, 34.34°)
OKLab	oklab(61.38% 0.1806 0.0948)
OKLCH	oklch(61.38% 0.204 27.7)
XYZ	xyz(34.7843, 20.4942, 5.7379)
Luminance	0.2049 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E53F37 #37DDE5

analogous

#E53786 #E53F37 #E59637

triadic

#E53F37 #37E53F #3F37E5

tetradic

#E53F37 #86E537 #37DDE5 #9637E5

square

#E53F37 #86E537 #37DDE5 #9637E5

split-complementary

#E53F37 #37E596 #3786E5

monochromatic

#8F1813 #C5221A #E53F37 #EC736D #F3A7A3

Accessibility & contrast

On white

4.12

#E53F37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#E53F37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E53F37

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E53F37	#FFFFFF	#000000	##000000
##E53F37	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#716634

Deuteranopia (green-blind)

#9A8A30

Tritanopia (blue-blind)

#FC003F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #e53f37;
/* rgb */ color: rgb(229, 63, 55);
/* oklch */ color: oklch(61.4% 0.204 27.7);

Tailwind

colors: {
  custom: {
    50: '#f7806f',
    500: '#e53f37',
    950: '#000000',
  },
}

SCSS

$custom: #e53f37;
$custom-light: #f7806f;
$custom-dark: #000000;

JSON

{
  "hex": "#e53f37",
  "rgb": {
    "r": 229,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 2.759,
    "s": 76.991,
    "l": 55.686
  },
  "oklch": {
    "l": 0.61377,
    "c": 0.20399,
    "h": 27.7
  },
  "luminance": 0.20489
}

Semantic roles & 50–950 ramp

primary

#E53F37

secondary

#98DDE0

accent

#EBF434

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B07

muted

#867C7A

Preview Lab

Preview with #E53F37

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

Preview Lab → · Contrast checker → · Palette generator →