#FF423E#FF423E

#FF423E is a light, highly saturated red. Relative luminance 0.255; OKLCH L 66.1% C 0.225 H 26.8°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#FF423E
RGB	rgb(255, 66, 62)
HSL	hsl(1, 100%, 62%)
HSV	hsv(1, 76%, 100%)
CMYK	cmyk(0%, 74.1%, 75.7%, 0%)
CIE-LAB	lab(57.57, 69.86, 46.12)
CIE-LCH	lch(57.57, 83.71, 33.43°)
OKLab	oklab(66.12% 0.2011 0.1018)
OKLCH	oklch(66.12% 0.225 26.8)
XYZ	xyz(44.0629, 25.5111, 7.1605)
Luminance	0.2550 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF423E #3EFBFF

analogous

#FF3E9A #FF423E #FFA33E

triadic

#FF423E #3EFF42 #423EFF

tetradic

#FF423E #9AFF3E #3EFBFF #A33EFF

square

#FF423E #9AFF3E #3EFBFF #A33EFF

split-complementary

#FF423E #3EFFA3 #3E9AFF

monochromatic

#C30400 #FF0601 #FF423E #FF7E7B #FFBAB8

Accessibility & contrast

On white

3.44

#FF423E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#FF423E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF423E

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF423E	#FFFFFF	#000000	##000000
##FF423E	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B703B

Deuteranopia (green-blind)

#AA9936

Tritanopia (blue-blind)

#FF0044

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #ff423e;
/* rgb */ color: rgb(255, 66, 62);
/* oklch */ color: oklch(66.1% 0.225 26.8);

Tailwind

colors: {
  custom: {
    50: '#ff8474',
    500: '#ff423e',
    950: '#000000',
  },
}

SCSS

$custom: #ff423e;
$custom-light: #ff8474;
$custom-dark: #000000;

JSON

{
  "hex": "#ff423e",
  "rgb": {
    "r": 255,
    "g": 66,
    "b": 62
  },
  "hsl": {
    "h": 1.244,
    "s": 100,
    "l": 62.157
  },
  "oklch": {
    "l": 0.66117,
    "c": 0.22541,
    "h": 26.8
  },
  "luminance": 0.25504
}

Semantic roles & 50–950 ramp

primary

#FF423E

secondary

#A9EEF0

accent

#E1E600

background

#FFF8F7

surface

#FFF0ED

border

#D7CBC8

text

#1B0C08

muted

#887D7B

Preview Lab

Preview with #FF423E

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

Preview Lab → · Contrast checker → · Palette generator →