#EF645A#EF645A

#EF645A is a light, vivid red. Relative luminance 0.282; OKLCH L 67.6% C 0.174 H 26.8°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#EF645A
RGB	rgb(239, 100, 90)
HSL	hsl(4, 82%, 65%)
HSV	hsv(4, 62%, 94%)
CMYK	cmyk(0%, 58.2%, 62.3%, 6.3%)
CIE-LAB	lab(60.08, 52.93, 32.93)
CIE-LCH	lch(60.08, 62.34, 31.89°)
OKLab	oklab(67.61% 0.1551 0.0784)
OKLCH	oklch(67.61% 0.174 26.8)
XYZ	xyz(42.0032, 28.2087, 12.9038)
Luminance	0.2820 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EF645A #5AE5EF

analogous

#EF5A9B #EF645A #EFAF5A

triadic

#EF645A #5AEF64 #645AEF

tetradic

#EF645A #9BEF5A #5AE5EF #AF5AEF

square

#EF645A #9BEF5A #5AE5EF #AF5AEF

split-complementary

#EF645A #5AEFAF #5A9BEF

monochromatic

#BC1E12 #EA3022 #EF645A #F49892 #FACDCA

Accessibility & contrast

On white

3.16

#EF645A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#EF645A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #EF645A

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EF645A	#FFFFFF	#000000	##000000
##EF645A	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#887E58

Deuteranopia (green-blind)

#AA9C57

Tritanopia (blue-blind)

#FF4962

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #ef645a;
/* rgb */ color: rgb(239, 100, 90);
/* oklch */ color: oklch(67.6% 0.174 26.8);

Tailwind

colors: {
  custom: {
    50: '#fb9589',
    500: '#ef645a',
    950: '#000000',
  },
}

SCSS

$custom: #ef645a;
$custom-light: #fb9589;
$custom-dark: #000000;

JSON

{
  "hex": "#ef645a",
  "rgb": {
    "r": 239,
    "g": 100,
    "b": 90
  },
  "hsl": {
    "h": 4.027,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.67608,
    "c": 0.17374,
    "h": 26.8
  },
  "luminance": 0.28203
}

Semantic roles & 50–950 ramp

primary

#EF645A

secondary

#B9E9EC

accent

#D0DF07

background

#FFF9F8

surface

#FFF2F0

border

#D7CCCB

text

#190E0B

muted

#877E7C

Preview Lab

Preview with #EF645A

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

Preview Lab → · Contrast checker → · Palette generator →