#4EA3F5#4EA3F5

#4EA3F5 is a light, vivid cyan. Relative luminance 0.344; OKLCH L 70.0% C 0.146 H 250.0°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#4EA3F5
RGB	rgb(78, 163, 245)
HSL	hsl(209, 89%, 63%)
HSV	hsv(209, 68%, 96%)
CMYK	cmyk(68.2%, 33.5%, 0%, 3.9%)
CIE-LAB	lab(65.28, 0.05, -48.45)
CIE-LCH	lch(65.28, 48.45, 270.06°)
OKLab	oklab(69.96% -0.05 -0.1374)
OKLCH	oklch(69.96% 0.146 250)
XYZ	xyz(32.7144, 34.4032, 91.2849)
Luminance	0.3441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EA3F5 #F5A04E

analogous

#4EF5F3 #4EA3F5 #4E4FF5

triadic

#4EA3F5 #F54EA3 #A3F54E

tetradic

#4EA3F5 #F34EF5 #F5A04E #4FF54E

square

#4EA3F5 #F34EF5 #F5A04E #4FF54E

split-complementary

#4EA3F5 #F54E4F #F5F34E

monochromatic

#0B66BE #1485F2 #4EA3F5 #88C1F8 #C2DFFC

Accessibility & contrast

On white

2.66

#4EA3F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#4EA3F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EA3F5

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EA3F5	#FFFFFF	#000000	##000000
##4EA3F5	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA7F8

Deuteranopia (green-blind)

#6797F3

Tritanopia (blue-blind)

#00B6C1

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #4ea3f5;
/* rgb */ color: rgb(78, 163, 245);
/* oklch */ color: oklch(70.0% 0.146 250.0);

Tailwind

colors: {
  custom: {
    50: '#91bdf9',
    500: '#4ea3f5',
    950: '#000000',
  },
}

SCSS

$custom: #4ea3f5;
$custom-light: #91bdf9;
$custom-dark: #000000;

JSON

{
  "hex": "#4ea3f5",
  "rgb": {
    "r": 78,
    "g": 163,
    "b": 245
  },
  "hsl": {
    "h": 209.461,
    "s": 89.305,
    "l": 63.333
  },
  "oklch": {
    "l": 0.69963,
    "c": 0.14623,
    "h": 250
  },
  "luminance": 0.34407
}

Semantic roles & 50–950 ramp

primary

#4EA3F5

secondary

#EDCFB2

accent

#7100E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #4EA3F5

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

Preview Lab → · Contrast checker → · Palette generator →