#4787FF#4787FF

#4787FF is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.4% C 0.191 H 261.6°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4787FF
RGB	rgb(71, 135, 255)
HSL	hsl(219, 100%, 64%)
HSV	hsv(219, 72%, 100%)
CMYK	cmyk(72.2%, 47.1%, 0%, 0%)
CIE-LAB	lab(57.93, 19.14, -65.67)
CIE-LCH	lch(57.93, 68.40, 286.25°)
OKLab	oklab(64.36% -0.0279 -0.1885)
OKLCH	oklch(64.36% 0.191 261.6)
XYZ	xyz(29.3060, 25.8843, 98.0400)
Luminance	0.2589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4787FF #FFBF47

analogous

#47E3FF #4787FF #6347FF

triadic

#4787FF #FF4787 #87FF47

tetradic

#4787FF #FF47E3 #FFBF47 #47FF63

square

#4787FF #FF47E3 #FFBF47 #47FF63

split-complementary

#4787FF #FF6347 #E3FF47

monochromatic

#0047CC #0A5FFF #4787FF #84AFFF #C1D7FF

Accessibility & contrast

On white

3.40

#4787FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#4787FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4787FF

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4787FF	#FFFFFF	#000000	##000000
##4787FF	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4594FF

Deuteranopia (green-blind)

#0C83FD

Tritanopia (blue-blind)

#00A3B7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4787ff;
/* rgb */ color: rgb(71, 135, 255);
/* oklch */ color: oklch(64.4% 0.191 261.6);

Tailwind

colors: {
  custom: {
    50: '#90a9ff',
    500: '#4787ff',
    950: '#000000',
  },
}

SCSS

$custom: #4787ff;
$custom-light: #90a9ff;
$custom-dark: #000000;

JSON

{
  "hex": "#4787ff",
  "rgb": {
    "r": 71,
    "g": 135,
    "b": 255
  },
  "hsl": {
    "h": 219.13,
    "s": 100,
    "l": 63.922
  },
  "oklch": {
    "l": 0.64362,
    "c": 0.19051,
    "h": 261.6
  },
  "luminance": 0.25888
}

Semantic roles & 50–950 ramp

primary

#4787FF

secondary

#F1DBB1

accent

#9600E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F18

muted

#7E7F86

Preview Lab

Preview with #4787FF

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

Preview Lab → · Contrast checker → · Palette generator →