#E4703F#E4703F

#E4703F is a light, vivid orange. Relative luminance 0.284; OKLCH L 67.3% C 0.158 H 42.3°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#E4703F
RGB	rgb(228, 112, 63)
HSL	hsl(18, 75%, 57%)
HSV	hsv(18, 72%, 89%)
CMYK	cmyk(0%, 50.9%, 72.4%, 10.6%)
CIE-LAB	lab(60.29, 41.72, 47.23)
CIE-LCH	lch(60.29, 63.02, 48.54°)
OKLab	oklab(67.33% 0.1167 0.1061)
OKLCH	oklch(67.33% 0.158 42.3)
XYZ	xyz(38.6900, 28.4460, 8.1549)
Luminance	0.2844 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4703F #3FB3E4

analogous

#E43F61 #E4703F #E4C23F

triadic

#E4703F #3FE470 #703FE4

tetradic

#E4703F #61E43F #3FB3E4 #C23FE4

square

#E4703F #61E43F #3FB3E4 #C23FE4

split-complementary

#E4703F #3FE4C2 #3F61E4

monochromatic

#943B15 #C9501C #E4703F #EC9875 #F3C0AA

Accessibility & contrast

On white

3.14

#E4703F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#E4703F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #E4703F

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4703F	#FFFFFF	#000000	##000000
##E4703F	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)

#908139

Deuteranopia (green-blind)

#AC9B3D

Tritanopia (blue-blind)

#FA5865

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #e4703f;
/* rgb */ color: rgb(228, 112, 63);
/* oklch */ color: oklch(67.3% 0.158 42.3);

Tailwind

colors: {
  custom: {
    50: '#f49b76',
    500: '#e4703f',
    950: '#000000',
  },
}

SCSS

$custom: #e4703f;
$custom-light: #f49b76;
$custom-dark: #000000;

JSON

{
  "hex": "#e4703f",
  "rgb": {
    "r": 228,
    "g": 112,
    "b": 63
  },
  "hsl": {
    "h": 17.818,
    "s": 75.342,
    "l": 57.059
  },
  "oklch": {
    "l": 0.67333,
    "c": 0.15767,
    "h": 42.3
  },
  "luminance": 0.28441
}

Semantic roles & 50–950 ramp

primary

#E4703F

secondary

#9ECDE1

accent

#BAF236

background

#FFF9F7

surface

#FFF2ED

border

#D7CCC8

text

#180E09

muted

#867E7B

Preview Lab

Preview with #E4703F

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

Preview Lab → · Contrast checker → · Palette generator →