#E63D3B#E63D3B

#E63D3B is a mid, highly saturated red. Relative luminance 0.205; OKLCH L 61.4% C 0.206 H 26.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#E63D3B
RGB	rgb(230, 61, 59)
HSL	hsl(1, 77%, 57%)
HSV	hsv(1, 74%, 90%)
CMYK	cmyk(0%, 73.5%, 74.3%, 9.8%)
CIE-LAB	lab(52.38, 63.98, 40.77)
CIE-LCH	lch(52.38, 75.87, 32.51°)
OKLab	oklab(61.41% 0.1848 0.0911)
OKLCH	oklch(61.41% 0.206 26.2)
XYZ	xyz(35.0954, 20.4817, 6.2423)
Luminance	0.2048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E63D3B #3BE4E6

analogous

#E63B8F #E63D3B #E6933B

triadic

#E63D3B #3BE63D #3D3BE6

tetradic

#E63D3B #8FE63B #3BE4E6 #933BE6

square

#E63D3B #8FE63B #3BE4E6 #933BE6

split-complementary

#E63D3B #3BE693 #3B8FE6

monochromatic

#941413 #CA1C1A #E63D3B #ED7371 #F4A8A8

Accessibility & contrast

On white

4.12

#E63D3B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#E63D3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E63D3B

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E63D3B	#FFFFFF	#000000	##000000
##E63D3B	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)

#706639

Deuteranopia (green-blind)

#9A8A35

Tritanopia (blue-blind)

#FD003F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #e63d3b;
/* rgb */ color: rgb(230, 61, 59);
/* oklch */ color: oklch(61.4% 0.206 26.2);

Tailwind

colors: {
  custom: {
    50: '#f77f71',
    500: '#e63d3b',
    950: '#000000',
  },
}

SCSS

$custom: #e63d3b;
$custom-light: #f77f71;
$custom-dark: #000000;

JSON

{
  "hex": "#e63d3b",
  "rgb": {
    "r": 230,
    "g": 61,
    "b": 59
  },
  "hsl": {
    "h": 0.702,
    "s": 77.376,
    "l": 56.667
  },
  "oklch": {
    "l": 0.61414,
    "c": 0.20605,
    "h": 26.2
  },
  "luminance": 0.20476
}

Semantic roles & 50–950 ramp

primary

#E63D3B

secondary

#9BE1E1

accent

#F2F434

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B08

muted

#867C7B

Preview Lab

Preview with #E63D3B

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

Preview Lab → · Contrast checker → · Palette generator →