#FF1808#FF1808

#FF1808 is a light, highly saturated red. Relative luminance 0.219; OKLCH L 63.3% C 0.252 H 29.7°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#FF1808
RGB	rgb(255, 24, 8)
HSL	hsl(4, 100%, 52%)
HSV	hsv(4, 97%, 100%)
CMYK	cmyk(0%, 90.6%, 96.9%, 0%)
CIE-LAB	lab(53.96, 78.12, 65.55)
CIE-LCH	lch(53.96, 101.98, 40.00°)
OKLab	oklab(63.33% 0.2193 0.1251)
OKLCH	oklch(63.33% 0.252 29.7)
XYZ	xyz(41.6161, 21.9380, 2.2730)
Luminance	0.2193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF1808 #08EFFF

analogous

#FF0873 #FF1808 #FF9408

triadic

#FF1808 #08FF18 #1808FF

tetradic

#FF1808 #73FF08 #08EFFF #9408FF

square

#FF1808 #73FF08 #08EFFF #9408FF

split-complementary

#FF1808 #08FF94 #0873FF

monochromatic

#8D0900 #CA0D00 #FF1808 #FF5145 #FF8A82

Accessibility & contrast

On white

3.90

#FF1808 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#FF1808 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF1808

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF1808	#FFFFFF	#000000	##000000
##FF1808	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#706200

Deuteranopia (green-blind)

#A59200

Tritanopia (blue-blind)

#FF001C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #ff1808;
/* rgb */ color: rgb(255, 24, 8);
/* oklch */ color: oklch(63.3% 0.252 29.7);

Tailwind

colors: {
  custom: {
    50: '#ff7655',
    500: '#ff1808',
    950: '#000000',
  },
}

SCSS

$custom: #ff1808;
$custom-light: #ff7655;
$custom-dark: #000000;

JSON

{
  "hex": "#ff1808",
  "rgb": {
    "r": 255,
    "g": 24,
    "b": 8
  },
  "hsl": {
    "h": 3.887,
    "s": 100,
    "l": 51.569
  },
  "oklch": {
    "l": 0.63333,
    "c": 0.25247,
    "h": 29.7
  },
  "luminance": 0.21931
}

Semantic roles & 50–950 ramp

primary

#FF1808

secondary

#7BE1E8

accent

#F1FF29

background

#FFF8F5

surface

#FFEFE9

border

#D7CAC5

text

#1C0A03

muted

#887C78

Preview Lab

Preview with #FF1808

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

Preview Lab → · Contrast checker → · Palette generator →