#E63E3B#E63E3B

#E63E3B is a mid, highly saturated red. Relative luminance 0.206; OKLCH L 61.5% C 0.205 H 26.4°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#E63E3B
RGB	rgb(230, 62, 59)
HSL	hsl(1, 77%, 57%)
HSV	hsv(1, 74%, 90%)
CMYK	cmyk(0%, 73%, 74.3%, 9.8%)
CIE-LAB	lab(52.50, 63.64, 40.91)
CIE-LCH	lch(52.50, 75.66, 32.73°)
OKLab	oklab(61.5% 0.1838 0.0914)
OKLCH	oklch(61.5% 0.205 26.4)
XYZ	xyz(35.1492, 20.5894, 6.2602)
Luminance	0.2058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E63E3B #3BE3E6

analogous

#E63B8D #E63E3B #E6943B

triadic

#E63E3B #3BE63E #3E3BE6

tetradic

#E63E3B #8DE63B #3BE3E6 #943BE6

square

#E63E3B #8DE63B #3BE3E6 #943BE6

split-complementary

#E63E3B #3BE694 #3B8DE6

monochromatic

#941513 #CA1D1A #E63E3B #ED7371 #F4A9A8

Accessibility & contrast

On white

4.10

#E63E3B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#E63E3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E63E3B

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E63E3B	#FFFFFF	#000000	##000000
##E63E3B	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#706639

Deuteranopia (green-blind)

#9A8A35

Tritanopia (blue-blind)

#FD003F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #e63e3b;
/* rgb */ color: rgb(230, 62, 59);
/* oklch */ color: oklch(61.5% 0.205 26.4);

Tailwind

colors: {
  custom: {
    50: '#f77f71',
    500: '#e63e3b',
    950: '#000000',
  },
}

SCSS

$custom: #e63e3b;
$custom-light: #f77f71;
$custom-dark: #000000;

JSON

{
  "hex": "#e63e3b",
  "rgb": {
    "r": 230,
    "g": 62,
    "b": 59
  },
  "hsl": {
    "h": 1.053,
    "s": 77.376,
    "l": 56.667
  },
  "oklch": {
    "l": 0.61503,
    "c": 0.20524,
    "h": 26.4
  },
  "luminance": 0.20584
}

Semantic roles & 50–950 ramp

primary

#E63E3B

secondary

#9BE0E1

accent

#F1F434

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B08

muted

#867C7B

Preview Lab

Preview with #E63E3B

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

Preview Lab → · Contrast checker → · Palette generator →