#FF683C#FF683C

#FF683C is a light, vivid red. Relative luminance 0.315; OKLCH L 70.1% C 0.194 H 36.7°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#FF683C
RGB	rgb(255, 104, 60)
HSL	hsl(14, 100%, 62%)
HSV	hsv(14, 76%, 100%)
CMYK	cmyk(0%, 59.2%, 76.5%, 0%)
CIE-LAB	lab(62.92, 55.24, 52.74)
CIE-LCH	lch(62.92, 76.37, 43.67°)
OKLab	oklab(70.13% 0.1552 0.1156)
OKLCH	oklch(70.13% 0.194 36.7)
XYZ	xyz(47.0110, 31.4934, 7.8774)
Luminance	0.3149 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF683C #3CD3FF

analogous

#FF3C72 #FF683C #FFC93C

triadic

#FF683C #3CFF68 #683CFF

tetradic

#FF683C #72FF3C #3CD3FF #C93CFF

square

#FF683C #72FF3C #3CD3FF #C93CFF

split-complementary

#FF683C #3CFFC9 #3C72FF

monochromatic

#C12B00 #FE3900 #FF683C #FF9779 #FFC7B6

Accessibility & contrast

On white

2.88

#FF683C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#FF683C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF683C

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF683C	#FFFFFF	#000000	##000000
##FF683C	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928336

Deuteranopia (green-blind)

#B7A537

Tritanopia (blue-blind)

#FF445F

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #ff683c;
/* rgb */ color: rgb(255, 104, 60);
/* oklch */ color: oklch(70.1% 0.194 36.7);

Tailwind

colors: {
  custom: {
    50: '#ff9874',
    500: '#ff683c',
    950: '#000000',
  },
}

SCSS

$custom: #ff683c;
$custom-light: #ff9874;
$custom-dark: #000000;

JSON

{
  "hex": "#ff683c",
  "rgb": {
    "r": 255,
    "g": 104,
    "b": 60
  },
  "hsl": {
    "h": 13.538,
    "s": 100,
    "l": 61.765
  },
  "oklch": {
    "l": 0.70127,
    "c": 0.19351,
    "h": 36.7
  },
  "luminance": 0.31487
}

Semantic roles & 50–950 ramp

primary

#FF683C

secondary

#A7DFF0

accent

#B2E600

background

#FFF9F7

surface

#FFF2ED

border

#D7CCC8

text

#1A0E08

muted

#877E7B

Preview Lab

Preview with #FF683C

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

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