#FF8517#FF8517

#FF8517 is a light, vivid orange. Relative luminance 0.381; OKLCH L 74.0% C 0.180 H 53.8°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#FF8517
RGB	rgb(255, 133, 23)
HSL	hsl(28, 100%, 55%)
HSV	hsv(28, 91%, 100%)
CMYK	cmyk(0%, 47.8%, 91%, 0%)
CIE-LAB	lab(68.10, 40.57, 70.87)
CIE-LCH	lch(68.10, 81.66, 60.21°)
OKLab	oklab(74% 0.1063 0.1455)
OKLCH	oklch(74% 0.18 53.8)
XYZ	xyz(49.7872, 38.1031, 5.5433)
Luminance	0.3810 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF8517 #1791FF

analogous

#FF171D #FF8517 #FFF917

triadic

#FF8517 #17FF85 #8517FF

tetradic

#FF8517 #1DFF17 #1791FF #F917FF

square

#FF8517 #1DFF17 #1791FF #F917FF

split-complementary

#FF8517 #17FFF9 #171DFF

monochromatic

#9C4A00 #D96700 #FF8517 #FFA554 #FFC591

Accessibility & contrast

On white

2.44

#FF8517 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#FF8517 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF8517

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF8517	#FFFFFF	#000000	##000000
##FF8517	1.00	2.44	8.62	8.62
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.62	21.00	1.00	1.00
##000000	8.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99500

Deuteranopia (green-blind)

#C6B113

Tritanopia (blue-blind)

#FF6972

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #ff8517;
/* rgb */ color: rgb(255, 133, 23);
/* oklch */ color: oklch(74.0% 0.180 53.8);

Tailwind

colors: {
  custom: {
    50: '#ffaa64',
    500: '#ff8517',
    950: '#000000',
  },
}

SCSS

$custom: #ff8517;
$custom-light: #ffaa64;
$custom-dark: #000000;

JSON

{
  "hex": "#ff8517",
  "rgb": {
    "r": 255,
    "g": 133,
    "b": 23
  },
  "hsl": {
    "h": 28.448,
    "s": 100,
    "l": 54.51
  },
  "oklch": {
    "l": 0.74002,
    "c": 0.18018,
    "h": 53.8
  },
  "luminance": 0.38097
}

Semantic roles & 50–950 ramp

primary

#FF8517

secondary

#88BBEA

accent

#99FF29

background

#FFFAF6

surface

#FFF4EB

border

#D7CEC6

text

#1A1006

muted

#877F7A

Preview Lab

Preview with #FF8517

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

Preview Lab → · Contrast checker → · Palette generator →