#4E87E1#4E87E1

#4E87E1 is a light, vivid blue. Relative luminance 0.244; OKLCH L 62.8% C 0.149 H 259.2°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4E87E1
RGB	rgb(78, 135, 225)
HSL	hsl(217, 71%, 59%)
HSV	hsv(217, 65%, 88%)
CMYK	cmyk(65.3%, 40%, 0%, 11.8%)
CIE-LAB	lab(56.47, 9.66, -51.36)
CIE-LCH	lch(56.47, 52.26, 280.65°)
OKLab	oklab(62.75% -0.0279 -0.1463)
OKLCH	oklch(62.75% 0.149 259.2)
XYZ	xyz(25.3916, 24.3814, 74.5875)
Luminance	0.2438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E87E1 #E1A84E

analogous

#4ED0E1 #4E87E1 #5F4EE1

triadic

#4E87E1 #E14E87 #87E14E

tetradic

#4E87E1 #E14ED0 #E1A84E #4EE15F

square

#4E87E1 #E14ED0 #E1A84E #4EE15F

split-complementary

#4E87E1 #E15F4E #D0E14E

monochromatic

#1A4C9A #2366CF #4E87E1 #82AAEA #B7CEF3

Accessibility & contrast

On white

3.57

#4E87E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#4E87E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E87E1

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E87E1	#FFFFFF	#000000	##000000
##4E87E1	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E8FE5

Deuteranopia (green-blind)

#4881DF

Tritanopia (blue-blind)

#009CA9

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4e87e1;
/* rgb */ color: rgb(78, 135, 225);
/* oklch */ color: oklch(62.8% 0.149 259.2);

Tailwind

colors: {
  custom: {
    50: '#8ea9eb',
    500: '#4e87e1',
    950: '#000000',
  },
}

SCSS

$custom: #4e87e1;
$custom-light: #8ea9eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e87e1",
  "rgb": {
    "r": 78,
    "g": 135,
    "b": 225
  },
  "hsl": {
    "h": 216.735,
    "s": 71.014,
    "l": 59.412
  },
  "oklch": {
    "l": 0.62753,
    "c": 0.14894,
    "h": 259.2
  },
  "luminance": 0.24384
}

Semantic roles & 50–950 ramp

primary

#4E87E1

secondary

#E2CCA9

accent

#A83AEE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4E87E1

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

Preview Lab → · Contrast checker → · Palette generator →