#4F87E7#4F87E7

#4F87E7 is a light, vivid blue. Relative luminance 0.248; OKLCH L 63.2% C 0.157 H 260.5°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#4F87E7
RGB	rgb(79, 135, 231)
HSL	hsl(218, 76%, 61%)
HSV	hsv(218, 66%, 91%)
CMYK	cmyk(65.8%, 41.6%, 0%, 9.4%)
CIE-LAB	lab(56.84, 11.89, -54.12)
CIE-LCH	lch(56.84, 55.41, 282.39°)
OKLab	oklab(63.16% -0.0259 -0.1544)
OKLCH	oklch(63.16% 0.157 260.5)
XYZ	xyz(26.3071, 24.7571, 78.9780)
Luminance	0.2476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87E7 #E7AF4F

analogous

#4FD3E7 #4F87E7 #634FE7

triadic

#4F87E7 #E74F87 #87E74F

tetradic

#4F87E7 #E74FD3 #E7AF4F #4FE763

square

#4F87E7 #E74FD3 #E7AF4F #4FE763

split-complementary

#4F87E7 #E7634F #D3E74F

monochromatic

#174BA5 #1E64DB #4F87E7 #85ACEE #BBD0F6

Accessibility & contrast

On white

3.53

#4F87E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#4F87E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87E7

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87E7	#FFFFFF	#000000	##000000
##4F87E7	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A90EB

Deuteranopia (green-blind)

#4282E5

Tritanopia (blue-blind)

#009DAC

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #4f87e7;
/* rgb */ color: rgb(79, 135, 231);
/* oklch */ color: oklch(63.2% 0.157 260.5);

Tailwind

colors: {
  custom: {
    50: '#8fa9ef',
    500: '#4f87e7',
    950: '#000000',
  },
}

SCSS

$custom: #4f87e7;
$custom-light: #8fa9ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87e7",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 231
  },
  "hsl": {
    "h": 217.895,
    "s": 76,
    "l": 60.784
  },
  "oklch": {
    "l": 0.63158,
    "c": 0.15653,
    "h": 260.5
  },
  "luminance": 0.2476
}

Semantic roles & 50–950 ramp

primary

#4F87E7

secondary

#E6D0AC

accent

#8D0DD8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #4F87E7

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

Preview Lab → · Contrast checker → · Palette generator →