#FF666C#FF666C

#FF666C is a light, vivid red. Relative luminance 0.318; OKLCH L 70.6% C 0.187 H 20.9°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#FF666C
RGB	rgb(255, 102, 108)
HSL	hsl(358, 100%, 70%)
HSV	hsv(358, 60%, 100%)
CMYK	cmyk(0%, 60%, 57.6%, 0%)
CIE-LAB	lab(63.22, 58.64, 27.29)
CIE-LCH	lch(63.22, 64.68, 24.96°)
OKLab	oklab(70.55% 0.1743 0.0667)
OKLCH	oklch(70.55% 0.187 20.9)
XYZ	xyz(48.7025, 31.8517, 17.7678)
Luminance	0.3185 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF666C #66FFF9

analogous

#FF66B9 #FF666C #FFAC66

triadic

#FF666C #6CFF66 #666CFF

tetradic

#FF666C #B9FF66 #66FFF9 #AC66FF

square

#FF666C #B9FF66 #66FFF9 #AC66FF

split-complementary

#FF666C #66FFAC #66B9FF

monochromatic

#EB0009 #FF2931 #FF666C #FFA3A7 #FFE0E2

Accessibility & contrast

On white

2.85

#FF666C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#FF666C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF666C

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF666C	#FFFFFF	#000000	##000000
##FF666C	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C856B

Deuteranopia (green-blind)

#B2A568

Tritanopia (blue-blind)

#FF4969

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #ff666c;
/* rgb */ color: rgb(255, 102, 108);
/* oklch */ color: oklch(70.6% 0.187 20.9);

Tailwind

colors: {
  custom: {
    50: '#ff9896',
    500: '#ff666c',
    950: '#000000',
  },
}

SCSS

$custom: #ff666c;
$custom-light: #ff9896;
$custom-dark: #000000;

JSON

{
  "hex": "#ff666c",
  "rgb": {
    "r": 255,
    "g": 102,
    "b": 108
  },
  "hsl": {
    "h": 357.647,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.70554,
    "c": 0.18663,
    "h": 20.9
  },
  "luminance": 0.31845
}

Semantic roles & 50–950 ramp

primary

#FF666C

secondary

#CBF6F4

accent

#E6DC00

background

#FFF9F9

surface

#FFF2F1

border

#D7CCCB

text

#1A0E0D

muted

#877E7E

Preview Lab

Preview with #FF666C

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

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