#4E90E1#4E90E1

#4E90E1 is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.7% C 0.139 H 254.7°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4E90E1
RGB	rgb(78, 144, 225)
HSL	hsl(213, 71%, 59%)
HSV	hsv(213, 65%, 88%)
CMYK	cmyk(65.3%, 36%, 0%, 11.8%)
CIE-LAB	lab(58.97, 4.30, -47.38)
CIE-LCH	lch(58.97, 47.58, 275.19°)
OKLab	oklab(64.7% -0.0368 -0.1345)
OKLCH	oklch(64.7% 0.139 254.7)
XYZ	xyz(26.7008, 26.9998, 75.0239)
Luminance	0.2700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E90E1 #E19F4E

analogous

#4EDAE1 #4E90E1 #564EE1

triadic

#4E90E1 #E14E90 #90E14E

tetradic

#4E90E1 #E14EDA #E19F4E #4EE156

square

#4E90E1 #E14EDA #E19F4E #4EE156

split-complementary

#4E90E1 #E1564E #DAE14E

monochromatic

#1A549A #2370CF #4E90E1 #82B1EA #B7D2F3

Accessibility & contrast

On white

3.28

#4E90E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#4E90E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4E90E1

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E90E1	#FFFFFF	#000000	##000000
##4E90E1	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C95E4

Deuteranopia (green-blind)

#5788DF

Tritanopia (blue-blind)

#00A3AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4e90e1;
/* rgb */ color: rgb(78, 144, 225);
/* oklch */ color: oklch(64.7% 0.139 254.7);

Tailwind

colors: {
  custom: {
    50: '#8eb0eb',
    500: '#4e90e1',
    950: '#000000',
  },
}

SCSS

$custom: #4e90e1;
$custom-light: #8eb0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e90e1",
  "rgb": {
    "r": 78,
    "g": 144,
    "b": 225
  },
  "hsl": {
    "h": 213.061,
    "s": 71.014,
    "l": 59.412
  },
  "oklch": {
    "l": 0.64703,
    "c": 0.13947,
    "h": 254.7
  },
  "luminance": 0.27002
}

Semantic roles & 50–950 ramp

primary

#4E90E1

secondary

#E2C8A9

accent

#9D3AEE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4E90E1

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

Preview Lab → · Contrast checker → · Palette generator →