#4E90FF#4E90FF

#4E90FF is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.5% C 0.178 H 260.2°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#4E90FF
RGB	rgb(78, 144, 255)
HSL	hsl(218, 100%, 65%)
HSV	hsv(218, 69%, 100%)
CMYK	cmyk(69.4%, 43.5%, 0%, 0%)
CIE-LAB	lab(60.59, 14.63, -61.38)
CIE-LCH	lch(60.59, 63.10, 283.41°)
OKLab	oklab(66.48% -0.0305 -0.1756)
OKLCH	oklch(66.48% 0.178 260.2)
XYZ	xyz(31.1587, 28.7829, 98.5019)
Luminance	0.2879 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90FF #FFBD4E

analogous

#4EE9FF #4E90FF #644EFF

triadic

#4E90FF #FF4E90 #90FF4E

tetradic

#4E90FF #FF4EE9 #FFBD4E #4EFF64

square

#4E90FF #FF4EE9 #FFBD4E #4EFF64

split-complementary

#4E90FF #FF644E #E9FF4E

monochromatic

#004FD3 #116AFF #4E90FF #8BB6FF #C8DDFF

Accessibility & contrast

On white

3.11

#4E90FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#4E90FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90FF

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90FF	#FFFFFF	#000000	##000000
##4E90FF	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#599BFF

Deuteranopia (green-blind)

#388BFD

Tritanopia (blue-blind)

#00AABB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4e90ff;
/* rgb */ color: rgb(78, 144, 255);
/* oklch */ color: oklch(66.5% 0.178 260.2);

Tailwind

colors: {
  custom: {
    50: '#93afff',
    500: '#4e90ff',
    950: '#000000',
  },
}

SCSS

$custom: #4e90ff;
$custom-light: #93afff;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90ff",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 255
  },
  "hsl": {
    "h": 217.627,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.66481,
    "c": 0.17821,
    "h": 260.2
  },
  "luminance": 0.28786
}

Semantic roles & 50–950 ramp

primary

#4E90FF

secondary

#F2DCB7

accent

#9000E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #4E90FF

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

Preview Lab → · Contrast checker → · Palette generator →