#E3704B#E3704B

#E3704B is a light, vivid red. Relative luminance 0.284; OKLCH L 67.3% C 0.153 H 38.4°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#E3704B
RGB	rgb(227, 112, 75)
HSL	hsl(15, 73%, 59%)
HSV	hsv(15, 67%, 89%)
CMYK	cmyk(0%, 50.7%, 67%, 11%)
CIE-LAB	lab(60.28, 41.96, 40.97)
CIE-LCH	lch(60.28, 58.64, 44.32°)
OKLab	oklab(67.34% 0.1196 0.0947)
OKLCH	oklch(67.34% 0.153 38.4)
XYZ	xyz(38.7462, 28.4319, 10.1027)
Luminance	0.2843 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3704B #4BBEE3

analogous

#E34B72 #E3704B #E3BC4B

triadic

#E3704B #4BE370 #704BE3

tetradic

#E3704B #72E34B #4BBEE3 #BC4BE3

square

#E3704B #72E34B #4BBEE3 #BC4BE3

split-complementary

#E3704B #4BE3BC #4B72E3

monochromatic

#9B3818 #D04B20 #E3704B #EB9A80 #F3C4B5

Accessibility & contrast

On white

3.14

#E3704B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#E3704B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E3704B

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3704B	#FFFFFF	#000000	##000000
##E3704B	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8247

Deuteranopia (green-blind)

#AB9B49

Tritanopia (blue-blind)

#F85968

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #e3704b;
/* rgb */ color: rgb(227, 112, 75);
/* oklch */ color: oklch(67.3% 0.153 38.4);

Tailwind

colors: {
  custom: {
    50: '#f29b7e',
    500: '#e3704b',
    950: '#000000',
  },
}

SCSS

$custom: #e3704b;
$custom-light: #f29b7e;
$custom-dark: #000000;

JSON

{
  "hex": "#e3704b",
  "rgb": {
    "r": 227,
    "g": 112,
    "b": 75
  },
  "hsl": {
    "h": 14.605,
    "s": 73.077,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67337,
    "c": 0.15251,
    "h": 38.4
  },
  "luminance": 0.28427
}

Semantic roles & 50–950 ramp

primary

#E3704B

secondary

#A7D4E3

accent

#C3F038

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#180E0A

muted

#867E7C

Preview Lab

Preview with #E3704B

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

Preview Lab → · Contrast checker → · Palette generator →