#4F87E4#4F87E4

#4F87E4 is a light, vivid blue. Relative luminance 0.246; OKLCH L 63.0% C 0.153 H 260.0°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#4F87E4
RGB	rgb(79, 135, 228)
HSL	hsl(217, 73%, 60%)
HSV	hsv(217, 65%, 89%)
CMYK	cmyk(65.4%, 40.8%, 0%, 10.6%)
CIE-LAB	lab(56.67, 10.86, -52.71)
CIE-LCH	lch(56.67, 53.81, 281.64°)
OKLab	oklab(62.98% -0.0265 -0.1502)
OKLCH	oklch(62.98% 0.153 260)
XYZ	xyz(25.8870, 24.5891, 76.7657)
Luminance	0.2459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87E4 #E4AC4F

analogous

#4FD1E4 #4F87E4 #624FE4

triadic

#4F87E4 #E44F87 #87E44F

tetradic

#4F87E4 #E44FD1 #E4AC4F #4FE462

square

#4F87E4 #E44FD1 #E4AC4F #4FE462

split-complementary

#4F87E4 #E4624F #D1E44F

monochromatic

#194BA0 #2164D5 #4F87E4 #84ABEC #B9CFF4

Accessibility & contrast

On white

3.55

#4F87E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#4F87E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87E4

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87E4	#FFFFFF	#000000	##000000
##4F87E4	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8FE8

Deuteranopia (green-blind)

#4682E2

Tritanopia (blue-blind)

#009CAA

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4f87e4;
/* rgb */ color: rgb(79, 135, 228);
/* oklch */ color: oklch(63.0% 0.153 260.0);

Tailwind

colors: {
  custom: {
    50: '#8fa9ed',
    500: '#4f87e4',
    950: '#000000',
  },
}

SCSS

$custom: #4f87e4;
$custom-light: #8fa9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87e4",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 228
  },
  "hsl": {
    "h": 217.45,
    "s": 73.399,
    "l": 60.196
  },
  "oklch": {
    "l": 0.62977,
    "c": 0.15256,
    "h": 260
  },
  "luminance": 0.24592
}

Semantic roles & 50–950 ramp

primary

#4F87E4

secondary

#E4CEAB

accent

#8B10D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #4F87E4

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

Preview Lab → · Contrast checker → · Palette generator →