#FF673B#FF673B

#FF673B is a light, vivid red. Relative luminance 0.313; OKLCH L 70.0% C 0.195 H 36.6°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#FF673B
RGB	rgb(255, 103, 59)
HSL	hsl(13, 100%, 62%)
HSV	hsv(13, 77%, 100%)
CMYK	cmyk(0%, 59.6%, 76.9%, 0%)
CIE-LAB	lab(62.75, 55.64, 53.04)
CIE-LCH	lch(62.75, 76.87, 43.63°)
OKLab	oklab(69.99% 0.1563 0.116)
OKLCH	oklch(69.99% 0.195 36.6)
XYZ	xyz(46.8847, 31.2828, 7.7062)
Luminance	0.3128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF673B #3BD3FF

analogous

#FF3B71 #FF673B #FFC93B

triadic

#FF673B #3BFF67 #673BFF

tetradic

#FF673B #71FF3B #3BD3FF #C93BFF

square

#FF673B #71FF3B #3BD3FF #C93BFF

split-complementary

#FF673B #3BFFC9 #3B71FF

monochromatic

#C02B00 #FD3900 #FF673B #FF9678 #FFC6B5

Accessibility & contrast

On white

2.89

#FF673B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#FF673B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF673B

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF673B	#FFFFFF	#000000	##000000
##FF673B	1.00	2.89	7.26	7.26
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.26	21.00	1.00	1.00
##000000	7.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928335

Deuteranopia (green-blind)

#B7A436

Tritanopia (blue-blind)

#FF425E

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #ff673b;
/* rgb */ color: rgb(255, 103, 59);
/* oklch */ color: oklch(70.0% 0.195 36.6);

Tailwind

colors: {
  custom: {
    50: '#ff9774',
    500: '#ff673b',
    950: '#000000',
  },
}

SCSS

$custom: #ff673b;
$custom-light: #ff9774;
$custom-dark: #000000;

JSON

{
  "hex": "#ff673b",
  "rgb": {
    "r": 255,
    "g": 103,
    "b": 59
  },
  "hsl": {
    "h": 13.469,
    "s": 100,
    "l": 61.569
  },
  "oklch": {
    "l": 0.69991,
    "c": 0.19461,
    "h": 36.6
  },
  "luminance": 0.31276
}

Semantic roles & 50–950 ramp

primary

#FF673B

secondary

#A6DFEF

accent

#B2E600

background

#FFF9F7

surface

#FFF2ED

border

#D7CCC8

text

#1A0E08

muted

#877E7B

Preview Lab

Preview with #FF673B

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

Preview Lab → · Contrast checker → · Palette generator →