#FF683A#FF683A

#FF683A is a light, vivid red. Relative luminance 0.315; OKLCH L 70.1% C 0.194 H 37.1°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#FF683A
RGB	rgb(255, 104, 58)
HSL	hsl(14, 100%, 61%)
HSV	hsv(14, 77%, 100%)
CMYK	cmyk(0%, 59.2%, 77.3%, 0%)
CIE-LAB	lab(62.90, 55.17, 53.68)
CIE-LCH	lch(62.90, 76.97, 44.22°)
OKLab	oklab(70.11% 0.1546 0.1171)
OKLCH	oklch(70.11% 0.194 37.1)
XYZ	xyz(46.9591, 31.4726, 7.6043)
Luminance	0.3147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF683A #3AD1FF

analogous

#FF3A6F #FF683A #FFCB3A

triadic

#FF683A #3AFF68 #683AFF

tetradic

#FF683A #6FFF3A #3AD1FF #CB3AFF

square

#FF683A #6FFF3A #3AD1FF #CB3AFF

split-complementary

#FF683A #3AFFCB #3A6FFF

monochromatic

#BF2D00 #FC3B00 #FF683A #FF9777 #FFC6B4

Accessibility & contrast

On white

2.88

#FF683A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#FF683A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF683A

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF683A	#FFFFFF	#000000	##000000
##FF683A	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928334

Deuteranopia (green-blind)

#B8A535

Tritanopia (blue-blind)

#FF435F

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #ff683a;
/* rgb */ color: rgb(255, 104, 58);
/* oklch */ color: oklch(70.1% 0.194 37.1);

Tailwind

colors: {
  custom: {
    50: '#ff9873',
    500: '#ff683a',
    950: '#000000',
  },
}

SCSS

$custom: #ff683a;
$custom-light: #ff9873;
$custom-dark: #000000;

JSON

{
  "hex": "#ff683a",
  "rgb": {
    "r": 255,
    "g": 104,
    "b": 58
  },
  "hsl": {
    "h": 14.01,
    "s": 100,
    "l": 61.373
  },
  "oklch": {
    "l": 0.70108,
    "c": 0.19398,
    "h": 37.1
  },
  "luminance": 0.31466
}

Semantic roles & 50–950 ramp

primary

#FF683A

secondary

#A6DEEF

accent

#B0E600

background

#FFF9F7

surface

#FFF2ED

border

#D7CCC8

text

#1A0E08

muted

#877E7B

Preview Lab

Preview with #FF683A

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

Preview Lab → · Contrast checker → · Palette generator →