#FF330F#FF330F

#FF330F is a light, highly saturated red. Relative luminance 0.237; OKLCH L 64.7% C 0.240 H 31.8°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#FF330F
RGB	rgb(255, 51, 15)
HSL	hsl(9, 100%, 53%)
HSV	hsv(9, 94%, 100%)
CMYK	cmyk(0%, 80%, 94.1%, 0%)
CIE-LAB	lab(55.76, 73.10, 64.81)
CIE-LCH	lch(55.76, 97.69, 41.56°)
OKLab	oklab(64.67% 0.2042 0.1264)
OKLCH	oklch(64.67% 0.24 31.8)
XYZ	xyz(42.5156, 23.6693, 2.7819)
Luminance	0.2366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF330F #0FDBFF

analogous

#FF0F63 #FF330F #FFAB0F

triadic

#FF330F #0FFF33 #330FFF

tetradic

#FF330F #63FF0F #0FDBFF #AB0FFF

square

#FF330F #63FF0F #0FDBFF #AB0FFF

split-complementary

#FF330F #0FFFAB #0F63FF

monochromatic

#941600 #D11F00 #FF330F #FF674C #FF9B89

Accessibility & contrast

On white

3.66

#FF330F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#FF330F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF330F

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF330F	#FFFFFF	#000000	##000000
##FF330F	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#786900

Deuteranopia (green-blind)

#A99500

Tritanopia (blue-blind)

#FF0030

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #ff330f;
/* rgb */ color: rgb(255, 51, 15);
/* oklch */ color: oklch(64.7% 0.240 31.8);

Tailwind

colors: {
  custom: {
    50: '#ff7e59',
    500: '#ff330f',
    950: '#000000',
  },
}

SCSS

$custom: #ff330f;
$custom-light: #ff7e59;
$custom-dark: #000000;

JSON

{
  "hex": "#ff330f",
  "rgb": {
    "r": 255,
    "g": 51,
    "b": 15
  },
  "hsl": {
    "h": 9,
    "s": 100,
    "l": 52.941
  },
  "oklch": {
    "l": 0.64669,
    "c": 0.24019,
    "h": 31.8
  },
  "luminance": 0.23662
}

Semantic roles & 50–950 ramp

primary

#FF330F

secondary

#81D9E9

accent

#DFFF29

background

#FFF8F5

surface

#FFEFE9

border

#D7CAC5

text

#1C0B04

muted

#887C79

Preview Lab

Preview with #FF330F

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

Preview Lab → · Contrast checker → · Palette generator →