#FF512E#FF512E

#FF512E is a light, highly saturated red. Relative luminance 0.273; OKLCH L 67.4% C 0.216 H 33.2°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#FF512E
RGB	rgb(255, 81, 46)
HSL	hsl(10, 100%, 59%)
HSV	hsv(10, 82%, 100%)
CMYK	cmyk(0%, 68.2%, 82%, 0%)
CIE-LAB	lab(59.30, 64.22, 55.84)
CIE-LCH	lch(59.30, 85.11, 41.01°)
OKLab	oklab(67.36% 0.1806 0.1181)
OKLCH	oklch(67.36% 0.216 33.2)
XYZ	xyz(44.6808, 27.3489, 5.5104)
Luminance	0.2734 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF512E #2EDCFF

analogous

#FF2E74 #FF512E #FFBA2E

triadic

#FF512E #2EFF51 #512EFF

tetradic

#FF512E #74FF2E #2EDCFF #BA2EFF

square

#FF512E #74FF2E #2EDCFF #BA2EFF

split-complementary

#FF512E #2EFFBA #2E74FF

monochromatic

#B31E00 #F02800 #FF512E #FF846B #FFB7A8

Accessibility & contrast

On white

3.25

#FF512E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#FF512E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF512E

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF512E	#FFFFFF	#000000	##000000
##FF512E	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#857628

Deuteranopia (green-blind)

#B09D25

Tritanopia (blue-blind)

#FF074B

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #ff512e;
/* rgb */ color: rgb(255, 81, 46);
/* oklch */ color: oklch(67.4% 0.216 33.2);

Tailwind

colors: {
  custom: {
    50: '#ff8b6a',
    500: '#ff512e',
    950: '#000000',
  },
}

SCSS

$custom: #ff512e;
$custom-light: #ff8b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#ff512e",
  "rgb": {
    "r": 255,
    "g": 81,
    "b": 46
  },
  "hsl": {
    "h": 10.048,
    "s": 100,
    "l": 59.02
  },
  "oklch": {
    "l": 0.67361,
    "c": 0.21581,
    "h": 33.2
  },
  "luminance": 0.27342
}

Semantic roles & 50–950 ramp

primary

#FF512E

secondary

#9BE0ED

accent

#DBFF29

background

#FFF9F6

surface

#FFF1EB

border

#D7CBC6

text

#1B0D07

muted

#887E7A

Preview Lab

Preview with #FF512E

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

Preview Lab → · Contrast checker → · Palette generator →