#4E87F9#4E87F9

#4E87F9 is a light, vivid blue. Relative luminance 0.258; OKLCH L 64.2% C 0.181 H 262.5°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#4E87F9
RGB	rgb(78, 135, 249)
HSL	hsl(220, 93%, 64%)
HSV	hsv(220, 69%, 98%)
CMYK	cmyk(68.7%, 45.8%, 0%, 2.4%)
CIE-LAB	lab(57.83, 17.97, -62.50)
CIE-LCH	lch(57.83, 65.04, 286.04°)
OKLab	oklab(64.25% -0.0236 -0.179)
OKLCH	oklch(64.25% 0.181 262.5)
XYZ	xyz(28.8987, 25.7842, 93.0580)
Luminance	0.2579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E87F9 #F9C04E

analogous

#4EDDF9 #4E87F9 #6B4EF9

triadic

#4E87F9 #F94E87 #87F94E

tetradic

#4E87F9 #F94EDD #F9C04E #4EF96B

square

#4E87F9 #F94EDD #F9C04E #4EF96B

split-complementary

#4E87F9 #F96B4E #DDF94E

monochromatic

#0746C6 #135FF7 #4E87F9 #89AFFB #C4D7FD

Accessibility & contrast

On white

3.41

#4E87F9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#4E87F9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E87F9

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E87F9	#FFFFFF	#000000	##000000
##4E87F9	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C93FD

Deuteranopia (green-blind)

#2784F7

Tritanopia (blue-blind)

#00A2B4

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4e87f9;
/* rgb */ color: rgb(78, 135, 249);
/* oklch */ color: oklch(64.2% 0.181 262.5);

Tailwind

colors: {
  custom: {
    50: '#92a9fc',
    500: '#4e87f9',
    950: '#000000',
  },
}

SCSS

$custom: #4e87f9;
$custom-light: #92a9fc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e87f9",
  "rgb": {
    "r": 78,
    "g": 135,
    "b": 249
  },
  "hsl": {
    "h": 220,
    "s": 93.443,
    "l": 64.118
  },
  "oklch": {
    "l": 0.64246,
    "c": 0.18059,
    "h": 262.5
  },
  "luminance": 0.25787
}

Semantic roles & 50–950 ramp

primary

#4E87F9

secondary

#EFDBB4

accent

#9900E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4E87F9

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

Preview Lab → · Contrast checker → · Palette generator →