#FF4F40#FF4F40

#FF4F40 is a light, highly saturated red. Relative luminance 0.272; OKLCH L 67.3% C 0.215 H 28.9°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#FF4F40
RGB	rgb(255, 79, 64)
HSL	hsl(5, 100%, 63%)
HSV	hsv(5, 75%, 100%)
CMYK	cmyk(0%, 69%, 74.9%, 0%)
CIE-LAB	lab(59.19, 65.53, 46.79)
CIE-LCH	lch(59.19, 80.52, 35.53°)
OKLab	oklab(67.33% 0.1879 0.1038)
OKLCH	oklch(67.33% 0.215 28.9)
XYZ	xyz(44.9665, 27.2289, 7.7375)
Luminance	0.2722 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF4F40 #40F0FF

analogous

#FF4091 #FF4F40 #FFAE40

triadic

#FF4F40 #40FF4F #4F40FF

tetradic

#FF4F40 #91FF40 #40F0FF #AE40FF

square

#FF4F40 #91FF40 #40F0FF #AE40FF

split-complementary

#FF4F40 #40FFAE #4091FF

monochromatic

#C50F00 #FF1703 #FF4F40 #FF877D #FFC0BA

Accessibility & contrast

On white

3.26

#FF4F40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#FF4F40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF4F40

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF4F40	#FFFFFF	#000000	##000000
##FF4F40	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82763D

Deuteranopia (green-blind)

#AE9D39

Tritanopia (blue-blind)

#FF064D

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #ff4f40;
/* rgb */ color: rgb(255, 79, 64);
/* oklch */ color: oklch(67.3% 0.215 28.9);

Tailwind

colors: {
  custom: {
    50: '#ff8a76',
    500: '#ff4f40',
    950: '#000000',
  },
}

SCSS

$custom: #ff4f40;
$custom-light: #ff8a76;
$custom-dark: #000000;

JSON

{
  "hex": "#ff4f40",
  "rgb": {
    "r": 255,
    "g": 79,
    "b": 64
  },
  "hsl": {
    "h": 4.712,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.67329,
    "c": 0.21463,
    "h": 28.9
  },
  "luminance": 0.27222
}

Semantic roles & 50–950 ramp

primary

#FF4F40

secondary

#ABEBF0

accent

#D3E600

background

#FFF8F7

surface

#FFF0ED

border

#D7CBC8

text

#1B0D08

muted

#887D7B

Preview Lab

Preview with #FF4F40

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

Preview Lab → · Contrast checker → · Palette generator →