#E03F3E#E03F3E

#E03F3E is a mid, vivid red. Relative luminance 0.198; OKLCH L 60.6% C 0.198 H 25.6°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#E03F3E
RGB	rgb(224, 63, 62)
HSL	hsl(0, 72%, 56%)
HSV	hsv(0, 72%, 88%)
CMYK	cmyk(0%, 71.9%, 72.3%, 12.2%)
CIE-LAB	lab(51.56, 61.60, 37.87)
CIE-LCH	lch(51.56, 72.31, 31.58°)
OKLab	oklab(60.62% 0.1787 0.0858)
OKLCH	oklch(60.62% 0.198 25.6)
XYZ	xyz(33.3913, 19.7552, 6.6114)
Luminance	0.1975 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E03F3E #3EDFE0

analogous

#E03E8E #E03F3E #E0903E

triadic

#E03F3E #3EE03F #3F3EE0

tetradic

#E03F3E #8EE03E #3EDFE0 #903EE0

square

#E03F3E #8EE03E #3EDFE0 #903EE0

split-complementary

#E03F3E #3EE090 #3E8EE0

monochromatic

#8D1717 #C2201F #E03F3E #E87373 #F1A8A7

Accessibility & contrast

On white

4.24

#E03F3E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#E03F3E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E03F3E

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E03F3E	#FFFFFF	#000000	##000000
##E03F3E	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)

#6E653C

Deuteranopia (green-blind)

#968838

Tritanopia (blue-blind)

#F60041

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #e03f3e;
/* rgb */ color: rgb(224, 63, 62);
/* oklch */ color: oklch(60.6% 0.198 25.6);

Tailwind

colors: {
  custom: {
    50: '#f37f74',
    500: '#e03f3e',
    950: '#000000',
  },
}

SCSS

$custom: #e03f3e;
$custom-light: #f37f74;
$custom-dark: #000000;

JSON

{
  "hex": "#e03f3e",
  "rgb": {
    "r": 224,
    "g": 63,
    "b": 62
  },
  "hsl": {
    "h": 0.37,
    "s": 72.321,
    "l": 56.078
  },
  "oklch": {
    "l": 0.60617,
    "c": 0.19819,
    "h": 25.6
  },
  "luminance": 0.1975
}

Semantic roles & 50–950 ramp

primary

#E03F3E

secondary

#9BDEDE

accent

#EEEF39

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#190B08

muted

#867C7B

Preview Lab

Preview with #E03F3E

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

Preview Lab → · Contrast checker → · Palette generator →