#FF6740#FF6740

#FF6740 is a light, vivid red. Relative luminance 0.313; OKLCH L 70.0% C 0.193 H 35.4°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#FF6740
RGB	rgb(255, 103, 64)
HSL	hsl(12, 100%, 63%)
HSV	hsv(12, 75%, 100%)
CMYK	cmyk(0%, 59.6%, 74.9%, 0%)
CIE-LAB	lab(62.79, 55.83, 50.63)
CIE-LCH	lch(62.79, 75.37, 42.21°)
OKLab	oklab(70.04% 0.1577 0.1121)
OKLCH	oklch(70.04% 0.193 35.4)
XYZ	xyz(47.0207, 31.3372, 8.4222)
Luminance	0.3133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF6740 #40D8FF

analogous

#FF4079 #FF6740 #FFC640

triadic

#FF6740 #40FF67 #6740FF

tetradic

#FF6740 #79FF40 #40D8FF #C640FF

square

#FF6740 #79FF40 #40D8FF #C640FF

split-complementary

#FF6740 #40FFC6 #4079FF

monochromatic

#C52800 #FF3603 #FF6740 #FF987D #FFC8BA

Accessibility & contrast

On white

2.89

#FF6740 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#FF6740 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF6740

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF6740	#FFFFFF	#000000	##000000
##FF6740	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91833B

Deuteranopia (green-blind)

#B7A43B

Tritanopia (blue-blind)

#FF435F

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #ff6740;
/* rgb */ color: rgb(255, 103, 64);
/* oklch */ color: oklch(70.0% 0.193 35.4);

Tailwind

colors: {
  custom: {
    50: '#ff9777',
    500: '#ff6740',
    950: '#000000',
  },
}

SCSS

$custom: #ff6740;
$custom-light: #ff9777;
$custom-dark: #000000;

JSON

{
  "hex": "#ff6740",
  "rgb": {
    "r": 255,
    "g": 103,
    "b": 64
  },
  "hsl": {
    "h": 12.251,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.7004,
    "c": 0.19346,
    "h": 35.4
  },
  "luminance": 0.31331
}

Semantic roles & 50–950 ramp

primary

#FF6740

secondary

#ABE2F0

accent

#B7E600

background

#FFF9F7

surface

#FFF2ED

border

#D7CCC8

text

#1A0E09

muted

#877E7B

Preview Lab

Preview with #FF6740

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

Preview Lab → · Contrast checker → · Palette generator →