#E53B3B#E53B3B

#E53B3B is a mid, highly saturated red. Relative luminance 0.201; OKLCH L 61.1% C 0.207 H 25.8°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#E53B3B
RGB	rgb(229, 59, 59)
HSL	hsl(0, 77%, 56%)
HSV	hsv(0, 74%, 90%)
CMYK	cmyk(0%, 74.2%, 74.2%, 10.2%)
CIE-LAB	lab(51.96, 64.33, 40.26)
CIE-LCH	lch(51.96, 75.89, 32.04°)
OKLab	oklab(61.07% 0.1861 0.09)
OKLCH	oklch(61.07% 0.207 25.8)
XYZ	xyz(34.6705, 20.1071, 6.1923)
Luminance	0.2010 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E53B3B #3BE5E5

analogous

#E53B90 #E53B3B #E5903B

triadic

#E53B3B #3BE53B #3B3BE5

tetradic

#E53B3B #90E53B #3BE5E5 #903BE5

square

#E53B3B #90E53B #3BE5E5 #903BE5

split-complementary

#E53B3B #3BE590 #3B90E5

monochromatic

#921313 #C81B1B #E53B3B #EC7171 #F3A7A7

Accessibility & contrast

On white

4.18

#E53B3B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#E53B3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E53B3B

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E53B3B	#FFFFFF	#000000	##000000
##E53B3B	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6439

Deuteranopia (green-blind)

#988935

Tritanopia (blue-blind)

#FC003D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #e53b3b;
/* rgb */ color: rgb(229, 59, 59);
/* oklch */ color: oklch(61.1% 0.207 25.8);

Tailwind

colors: {
  custom: {
    50: '#f77e71',
    500: '#e53b3b',
    950: '#000000',
  },
}

SCSS

$custom: #e53b3b;
$custom-light: #f77e71;
$custom-dark: #000000;

JSON

{
  "hex": "#e53b3b",
  "rgb": {
    "r": 229,
    "g": 59,
    "b": 59
  },
  "hsl": {
    "h": 0,
    "s": 76.577,
    "l": 56.471
  },
  "oklch": {
    "l": 0.61068,
    "c": 0.2067,
    "h": 25.8
  },
  "luminance": 0.20102
}

Semantic roles & 50–950 ramp

primary

#E53B3B

secondary

#9BE1E1

accent

#F3F335

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B08

muted

#867C7B

Preview Lab

Preview with #E53B3B

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

Preview Lab → · Contrast checker → · Palette generator →