#E28731#E28731

#E28731 is a light, vivid orange. Relative luminance 0.337; OKLCH L 70.7% C 0.147 H 59.3°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#E28731
RGB	rgb(226, 135, 49)
HSL	hsl(29, 75%, 54%)
HSV	hsv(29, 78%, 89%)
CMYK	cmyk(0%, 40.3%, 78.3%, 11.4%)
CIE-LAB	lab(64.74, 28.49, 58.05)
CIE-LCH	lch(64.74, 64.66, 63.86°)
OKLab	oklab(70.66% 0.0749 0.1262)
OKLCH	oklch(70.66% 0.147 59.3)
XYZ	xyz(40.5859, 33.7228, 7.2769)
Luminance	0.3372 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E28731 #318CE2

analogous

#E23134 #E28731 #E2E031

triadic

#E28731 #31E287 #8731E2

tetradic

#E28731 #34E231 #318CE2 #E031E2

square

#E28731 #34E231 #318CE2 #E031E2

split-complementary

#E28731 #31E2E0 #3134E2

monochromatic

#864B13 #BB691A #E28731 #EAA667 #F1C69C

Accessibility & contrast

On white

2.71

#E28731 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#E28731 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E28731

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E28731	#FFFFFF	#000000	##000000
##E28731	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39024

Deuteranopia (green-blind)

#B8A531

Tritanopia (blue-blind)

#F77376

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #e28731;
/* rgb */ color: rgb(226, 135, 49);
/* oklch */ color: oklch(70.7% 0.147 59.3);

Tailwind

colors: {
  custom: {
    50: '#f2aa6f',
    500: '#e28731',
    950: '#000000',
  },
}

SCSS

$custom: #e28731;
$custom-light: #f2aa6f;
$custom-dark: #000000;

JSON

{
  "hex": "#e28731",
  "rgb": {
    "r": 226,
    "g": 135,
    "b": 49
  },
  "hsl": {
    "h": 29.153,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.70657,
    "c": 0.14673,
    "h": 59.3
  },
  "luminance": 0.33718
}

Semantic roles & 50–950 ramp

primary

#E28731

secondary

#92B8DD

accent

#97F236

background

#FFFAF6

surface

#FFF4EC

border

#D7CEC7

text

#181008

muted

#867F7B

Preview Lab

Preview with #E28731

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

Preview Lab → · Contrast checker → · Palette generator →