#4F87DD#4F87DD

#4F87DD is a light, vivid blue. Relative luminance 0.242; OKLCH L 62.6% C 0.143 H 258.7°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#4F87DD
RGB	rgb(79, 135, 221)
HSL	hsl(216, 68%, 59%)
HSV	hsv(216, 64%, 87%)
CMYK	cmyk(64.3%, 38.9%, 0%, 13.3%)
CIE-LAB	lab(56.30, 8.46, -49.39)
CIE-LCH	lch(56.30, 50.11, 279.72°)
OKLab	oklab(62.56% -0.028 -0.1405)
OKLCH	oklch(62.56% 0.143 258.7)
XYZ	xyz(24.9349, 24.2083, 71.7512)
Luminance	0.2421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87DD #DDA54F

analogous

#4FCEDD #4F87DD #5E4FDD

triadic

#4F87DD #DD4F87 #87DD4F

tetradic

#4F87DD #DD4FCE #DDA54F #4FDD5E

square

#4F87DD #DD4FCE #DDA54F #4FDD5E

split-complementary

#4F87DD #DD5E4F #CEDD4F

monochromatic

#1D4C95 #2766C8 #4F87DD #82AAE7 #B6CDF1

Accessibility & contrast

On white

3.59

#4F87DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#4F87DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87DD

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87DD	#FFFFFF	#000000	##000000
##4F87DD	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#618EE0

Deuteranopia (green-blind)

#4C81DB

Tritanopia (blue-blind)

#009BA7

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4f87dd;
/* rgb */ color: rgb(79, 135, 221);
/* oklch */ color: oklch(62.6% 0.143 258.7);

Tailwind

colors: {
  custom: {
    50: '#8da9e8',
    500: '#4f87dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f87dd;
$custom-light: #8da9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87dd",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 221
  },
  "hsl": {
    "h": 216.338,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.62562,
    "c": 0.14328,
    "h": 258.7
  },
  "luminance": 0.24211
}

Semantic roles & 50–950 ramp

primary

#4F87DD

secondary

#E0CAA8

accent

#A63DEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F87DD

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

Preview Lab → · Contrast checker → · Palette generator →