#FF664E#FF664E

#FF664E is a light, vivid red. Relative luminance 0.313; OKLCH L 70.1% C 0.191 H 31.3°. Best body text is #000000 at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#FF664E
RGB	rgb(255, 102, 78)
HSL	hsl(8, 100%, 65%)
HSV	hsv(8, 69%, 100%)
CMYK	cmyk(0%, 60%, 69.4%, 0%)
CIE-LAB	lab(62.78, 56.87, 43.36)
CIE-LCH	lch(62.78, 71.52, 37.32°)
OKLab	oklab(70.08% 0.1635 0.0992)
OKLCH	oklch(70.08% 0.191 31.3)
XYZ	xyz(47.3714, 31.3193, 10.7570)
Luminance	0.3131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF664E #4EE7FF

analogous

#FF4E8E #FF664E #FFBF4E

triadic

#FF664E #4EFF66 #664EFF

tetradic

#FF664E #8EFF4E #4EE7FF #BF4EFF

square

#FF664E #8EFF4E #4EE7FF #BF4EFF

split-complementary

#FF664E #4EFFBF #4E8EFF

monochromatic

#D31D00 #FF3111 #FF664E #FF9B8B #FFD0C8

Accessibility & contrast

On white

2.89

#FF664E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.26

#FF664E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF664E

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF664E	#FFFFFF	#000000	##000000
##FF664E	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)

#8F834B

Deuteranopia (green-blind)

#B5A44A

Tritanopia (blue-blind)

#FF4361

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #ff664e;
/* rgb */ color: rgb(255, 102, 78);
/* oklch */ color: oklch(70.1% 0.191 31.3);

Tailwind

colors: {
  custom: {
    50: '#ff9780',
    500: '#ff664e',
    950: '#000000',
  },
}

SCSS

$custom: #ff664e;
$custom-light: #ff9780;
$custom-dark: #000000;

JSON

{
  "hex": "#ff664e",
  "rgb": {
    "r": 255,
    "g": 102,
    "b": 78
  },
  "hsl": {
    "h": 8.136,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.70077,
    "c": 0.19125,
    "h": 31.3
  },
  "luminance": 0.31313
}

Semantic roles & 50–950 ramp

primary

#FF664E

secondary

#B7EAF2

accent

#C6E600

background

#FFF9F7

surface

#FFF2EE

border

#D7CCC9

text

#1A0E0A

muted

#877E7C

Preview Lab

Preview with #FF664E

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

Preview Lab → · Contrast checker → · Palette generator →