#FF2A04#FF2A04

#FF2A04 is a light, highly saturated red. Relative luminance 0.229; OKLCH L 64.1% C 0.245 H 31.4°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#FF2A04
RGB	rgb(255, 42, 4)
HSL	hsl(9, 100%, 51%)
HSV	hsv(9, 98%, 100%)
CMYK	cmyk(0%, 83.5%, 98.4%, 0%)
CIE-LAB	lab(55.00, 75.08, 66.93)
CIE-LCH	lch(55.00, 100.59, 41.72°)
OKLab	oklab(64.1% 0.2096 0.1278)
OKLCH	oklch(64.1% 0.246 31.4)
XYZ	xyz(42.0955, 22.9319, 2.3247)
Luminance	0.2293 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF2A04 #04D9FF

analogous

#FF045B #FF2A04 #FFA804

triadic

#FF2A04 #04FF2A #2A04FF

tetradic

#FF2A04 #5BFF04 #04D9FF #A804FF

square

#FF2A04 #5BFF04 #04D9FF #A804FF

split-complementary

#FF2A04 #04FFA8 #045BFF

monochromatic

#891500 #C61E00 #FF2A04 #FF5E41 #FF927E

Accessibility & contrast

On white

3.76

#FF2A04 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#FF2A04 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF2A04

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF2A04	#FFFFFF	#000000	##000000
##FF2A04	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#756600

Deuteranopia (green-blind)

#A79400

Tritanopia (blue-blind)

#FF0028

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #ff2a04;
/* rgb */ color: rgb(255, 42, 4);
/* oklch */ color: oklch(64.1% 0.245 31.4);

Tailwind

colors: {
  custom: {
    50: '#ff7b55',
    500: '#ff2a04',
    950: '#000000',
  },
}

SCSS

$custom: #ff2a04;
$custom-light: #ff7b55;
$custom-dark: #000000;

JSON

{
  "hex": "#ff2a04",
  "rgb": {
    "r": 255,
    "g": 42,
    "b": 4
  },
  "hsl": {
    "h": 9.084,
    "s": 100,
    "l": 50.784
  },
  "oklch": {
    "l": 0.64101,
    "c": 0.2455,
    "h": 31.4
  },
  "luminance": 0.22925
}

Semantic roles & 50–950 ramp

primary

#FF2A04

secondary

#78D6E7

accent

#DFFF29

background

#FFF8F5

surface

#FFEFE9

border

#D7CAC5

text

#1C0B03

muted

#887C78

Preview Lab

Preview with #FF2A04

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

Preview Lab → · Contrast checker → · Palette generator →