#E03F3D#E03F3D

#E03F3D is a mid, vivid red. Relative luminance 0.197; OKLCH L 60.6% C 0.198 H 25.9°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#E03F3D
RGB	rgb(224, 63, 61)
HSL	hsl(1, 72%, 56%)
HSV	hsv(1, 73%, 88%)
CMYK	cmyk(0%, 71.9%, 72.8%, 12.2%)
CIE-LAB	lab(51.55, 61.56, 38.42)
CIE-LCH	lch(51.55, 72.57, 31.97°)
OKLab	oklab(60.6% 0.1783 0.0868)
OKLCH	oklch(60.6% 0.198 25.9)
XYZ	xyz(33.3641, 19.7443, 6.4682)
Luminance	0.1974 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E03F3D #3DDEE0

analogous

#E03D8C #E03F3D #E0903D

triadic

#E03F3D #3DE03F #3F3DE0

tetradic

#E03F3D #8CE03D #3DDEE0 #903DE0

square

#E03F3D #8CE03D #3DDEE0 #903DE0

split-complementary

#E03F3D #3DE090 #3D8CE0

monochromatic

#8C1816 #C1211F #E03F3D #E87372 #F1A7A7

Accessibility & contrast

On white

4.24

#E03F3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#E03F3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E03F3D

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E03F3D	#FFFFFF	#000000	##000000
##E03F3D	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E653B

Deuteranopia (green-blind)

#968837

Tritanopia (blue-blind)

#F60041

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #e03f3d;
/* rgb */ color: rgb(224, 63, 61);
/* oklch */ color: oklch(60.6% 0.198 25.9);

Tailwind

colors: {
  custom: {
    50: '#f37f73',
    500: '#e03f3d',
    950: '#000000',
  },
}

SCSS

$custom: #e03f3d;
$custom-light: #f37f73;
$custom-dark: #000000;

JSON

{
  "hex": "#e03f3d",
  "rgb": {
    "r": 224,
    "g": 63,
    "b": 61
  },
  "hsl": {
    "h": 0.736,
    "s": 72.444,
    "l": 55.882
  },
  "oklch": {
    "l": 0.60603,
    "c": 0.19831,
    "h": 25.9
  },
  "luminance": 0.19739
}

Semantic roles & 50–950 ramp

primary

#E03F3D

secondary

#9BDDDE

accent

#EDEF39

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#190B08

muted

#867C7B

Preview Lab

Preview with #E03F3D

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

Preview Lab → · Contrast checker → · Palette generator →