#FF6540#FF6540

#FF6540 is a light, vivid red. Relative luminance 0.309; OKLCH L 69.8% C 0.195 H 34.8°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#FF6540
RGB	rgb(255, 101, 64)
HSL	hsl(12, 100%, 63%)
HSV	hsv(12, 75%, 100%)
CMYK	cmyk(0%, 60.4%, 74.9%, 0%)
CIE-LAB	lab(62.46, 56.70, 50.28)
CIE-LCH	lch(62.46, 75.79, 41.57°)
OKLab	oklab(69.79% 0.1604 0.1113)
OKLCH	oklch(69.79% 0.195 34.8)
XYZ	xyz(46.8241, 30.9441, 8.3567)
Luminance	0.3094 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF6540 #40DAFF

analogous

#FF407B #FF6540 #FFC440

triadic

#FF6540 #40FF65 #6540FF

tetradic

#FF6540 #7BFF40 #40DAFF #C440FF

square

#FF6540 #7BFF40 #40DAFF #C440FF

split-complementary

#FF6540 #40FFC4 #407BFF

monochromatic

#C52600 #FF3403 #FF6540 #FF967D #FFC8BA

Accessibility & contrast

On white

2.92

#FF6540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.19

#FF6540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FF6540

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF6540	#FFFFFF	#000000	##000000
##FF6540	1.00	2.92	7.19	7.19
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.19	21.00	1.00	1.00
##000000	7.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90823B

Deuteranopia (green-blind)

#B6A43B

Tritanopia (blue-blind)

#FF3F5D

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #ff6540;
/* rgb */ color: rgb(255, 101, 64);
/* oklch */ color: oklch(69.8% 0.195 34.8);

Tailwind

colors: {
  custom: {
    50: '#ff9677',
    500: '#ff6540',
    950: '#000000',
  },
}

SCSS

$custom: #ff6540;
$custom-light: #ff9677;
$custom-dark: #000000;

JSON

{
  "hex": "#ff6540",
  "rgb": {
    "r": 255,
    "g": 101,
    "b": 64
  },
  "hsl": {
    "h": 11.623,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.6979,
    "c": 0.19524,
    "h": 34.8
  },
  "luminance": 0.30938
}

Semantic roles & 50–950 ramp

primary

#FF6540

secondary

#ABE3F0

accent

#B9E600

background

#FFF9F7

surface

#FFF2ED

border

#D7CCC8

text

#1A0E09

muted

#877E7B

Preview Lab

Preview with #FF6540

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

Preview Lab → · Contrast checker → · Palette generator →