#4E90F2#4E90F2

#4E90F2 is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.7% C 0.161 H 258.2°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#4E90F2
RGB	rgb(78, 144, 242)
HSL	hsl(216, 86%, 63%)
HSV	hsv(216, 68%, 95%)
CMYK	cmyk(67.8%, 40.5%, 0%, 5.1%)
CIE-LAB	lab(59.87, 10.13, -55.39)
CIE-LCH	lch(59.87, 56.31, 280.36°)
OKLab	oklab(65.69% -0.0329 -0.158)
OKLCH	oklch(65.69% 0.161 258.2)
XYZ	xyz(29.1364, 27.9740, 87.8512)
Luminance	0.2798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90F2 #F2B04E

analogous

#4EE2F2 #4E90F2 #5E4EF2

triadic

#4E90F2 #F24E90 #90F24E

tetradic

#4E90F2 #F24EE2 #F2B04E #4EF25E

square

#4E90F2 #F24EE2 #F2B04E #4EF25E

split-complementary

#4E90F2 #F25E4E #E2F24E

monochromatic

#0E52B8 #156CEE #4E90F2 #87B4F6 #C0D8FA

Accessibility & contrast

On white

3.18

#4E90F2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#4E90F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90F2

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90F2	#FFFFFF	#000000	##000000
##4E90F2	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6298F6

Deuteranopia (green-blind)

#4889F0

Tritanopia (blue-blind)

#00A7B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4e90f2;
/* rgb */ color: rgb(78, 144, 242);
/* oklch */ color: oklch(65.7% 0.161 258.2);

Tailwind

colors: {
  custom: {
    50: '#90b0f7',
    500: '#4e90f2',
    950: '#000000',
  },
}

SCSS

$custom: #4e90f2;
$custom-light: #90b0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90f2",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 242
  },
  "hsl": {
    "h": 215.854,
    "s": 86.316,
    "l": 62.745
  },
  "oklch": {
    "l": 0.65687,
    "c": 0.1614,
    "h": 258.2
  },
  "luminance": 0.27977
}

Semantic roles & 50–950 ramp

primary

#4E90F2

secondary

#ECD4B0

accent

#8903E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4E90F2

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

Preview Lab → · Contrast checker → · Palette generator →