#4F87DF#4F87DF

#4F87DF is a light, vivid blue. Relative luminance 0.243; OKLCH L 62.7% C 0.146 H 259.1°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#4F87DF
RGB	rgb(79, 135, 223)
HSL	hsl(217, 69%, 59%)
HSV	hsv(217, 65%, 87%)
CMYK	cmyk(64.6%, 39.5%, 0%, 12.5%)
CIE-LAB	lab(56.40, 9.15, -50.34)
CIE-LCH	lch(56.40, 51.17, 280.30°)
OKLab	oklab(62.68% -0.0276 -0.1433)
OKLCH	oklch(62.68% 0.146 259.1)
XYZ	xyz(25.2030, 24.3155, 73.1629)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F87DF #DFA74F

analogous

#4FCFDF #4F87DF #5F4FDF

triadic

#4F87DF #DF4F87 #87DF4F

tetradic

#4F87DF #DF4FCF #DFA74F #4FDF5F

square

#4F87DF #DF4FCF #DFA74F #4FDF5F

split-complementary

#4F87DF #DF5F4F #CFDF4F

monochromatic

#1C4C98 #2566CC #4F87DF #83AAE8 #B7CEF2

Accessibility & contrast

On white

3.58

#4F87DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#4F87DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F87DF

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F87DF	#FFFFFF	#000000	##000000
##4F87DF	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#608FE2

Deuteranopia (green-blind)

#4A81DD

Tritanopia (blue-blind)

#009BA8

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4f87df;
/* rgb */ color: rgb(79, 135, 223);
/* oklch */ color: oklch(62.7% 0.146 259.1);

Tailwind

colors: {
  custom: {
    50: '#8ea9e9',
    500: '#4f87df',
    950: '#000000',
  },
}

SCSS

$custom: #4f87df;
$custom-light: #8ea9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f87df",
  "rgb": {
    "r": 79,
    "g": 135,
    "b": 223
  },
  "hsl": {
    "h": 216.667,
    "s": 69.231,
    "l": 59.216
  },
  "oklch": {
    "l": 0.62679,
    "c": 0.14594,
    "h": 259.1
  },
  "luminance": 0.24318
}

Semantic roles & 50–950 ramp

primary

#4F87DF

secondary

#E1CBA9

accent

#A73CEC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4F87DF

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

Preview Lab → · Contrast checker → · Palette generator →