#FF513F#FF513F

#FF513F is a light, highly saturated red. Relative luminance 0.275; OKLCH L 67.5% C 0.213 H 29.6°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#FF513F
RGB	rgb(255, 81, 63)
HSL	hsl(6, 100%, 62%)
HSV	hsv(6, 75%, 100%)
CMYK	cmyk(0%, 68.2%, 75.3%, 0%)
CIE-LAB	lab(59.44, 64.75, 47.59)
CIE-LCH	lch(59.44, 80.36, 36.32°)
OKLab	oklab(67.52% 0.1853 0.1053)
OKLCH	oklch(67.52% 0.213 29.6)
XYZ	xyz(45.0848, 27.5105, 7.6378)
Luminance	0.2750 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF513F #3FEDFF

analogous

#FF3F8D #FF513F #FFB13F

triadic

#FF513F #3FFF51 #513FFF

tetradic

#FF513F #8DFF3F #3FEDFF #B13FFF

square

#FF513F #8DFF3F #3FEDFF #B13FFF

split-complementary

#FF513F #3FFFB1 #3F8DFF

monochromatic

#C41200 #FF1A02 #FF513F #FF887C #FFC0B9

Accessibility & contrast

On white

3.23

#FF513F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#FF513F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF513F

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF513F	#FFFFFF	#000000	##000000
##FF513F	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83773B

Deuteranopia (green-blind)

#AF9D38

Tritanopia (blue-blind)

#FF114E

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #ff513f;
/* rgb */ color: rgb(255, 81, 63);
/* oklch */ color: oklch(67.5% 0.213 29.6);

Tailwind

colors: {
  custom: {
    50: '#ff8b75',
    500: '#ff513f',
    950: '#000000',
  },
}

SCSS

$custom: #ff513f;
$custom-light: #ff8b75;
$custom-dark: #000000;

JSON

{
  "hex": "#ff513f",
  "rgb": {
    "r": 255,
    "g": 81,
    "b": 63
  },
  "hsl": {
    "h": 5.625,
    "s": 100,
    "l": 62.353
  },
  "oklch": {
    "l": 0.67519,
    "c": 0.21308,
    "h": 29.6
  },
  "luminance": 0.27504
}

Semantic roles & 50–950 ramp

primary

#FF513F

secondary

#AAE9F0

accent

#D0E600

background

#FFF9F7

surface

#FFF1ED

border

#D7CBC8

text

#1B0D08

muted

#887E7B

Preview Lab

Preview with #FF513F

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

Preview Lab → · Contrast checker → · Palette generator →