#4EB5E4#4EB5E4

#4EB5E4 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.2% C 0.116 H 231.1°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#4EB5E4
RGB	rgb(78, 181, 228)
HSL	hsl(199, 74%, 60%)
HSV	hsv(199, 66%, 89%)
CMYK	cmyk(65.8%, 20.6%, 0%, 10.6%)
CIE-LAB	lab(69.66, -15.45, -32.32)
CIE-LCH	lch(69.66, 35.82, 244.44°)
OKLab	oklab(73.18% -0.0729 -0.0905)
OKLCH	oklch(73.18% 0.116 231.1)
XYZ	xyz(33.6638, 40.2653, 79.3816)
Luminance	0.4027 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB5E4 #E47D4E

analogous

#4EE4C8 #4EB5E4 #4E6AE4

triadic

#4EB5E4 #E44EB5 #B5E44E

tetradic

#4EB5E4 #C84EE4 #E47D4E #6AE44E

square

#4EB5E4 #C84EE4 #E47D4E #6AE44E

split-complementary

#4EB5E4 #E44E6A #E4C84E

monochromatic

#18759F #209CD4 #4EB5E4 #83CBEC #B8E1F4

Accessibility & contrast

On white

2.32

#4EB5E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#4EB5E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB5E4

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB5E4	#FFFFFF	#000000	##000000
##4EB5E4	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB3E6

Deuteranopia (green-blind)

#89A4E3

Tritanopia (blue-blind)

#00C2C5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4eb5e4;
/* rgb */ color: rgb(78, 181, 228);
/* oklch */ color: oklch(73.2% 0.116 231.1);

Tailwind

colors: {
  custom: {
    50: '#8fcbec',
    500: '#4eb5e4',
    950: '#000000',
  },
}

SCSS

$custom: #4eb5e4;
$custom-light: #8fcbec;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb5e4",
  "rgb": {
    "r": 78,
    "g": 181,
    "b": 228
  },
  "hsl": {
    "h": 198.8,
    "s": 73.529,
    "l": 60
  },
  "oklch": {
    "l": 0.73182,
    "c": 0.11626,
    "h": 231.1
  },
  "luminance": 0.40269
}

Semantic roles & 50–950 ramp

primary

#4EB5E4

secondary

#E4BCAA

accent

#7138F0

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4EB5E4

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

Preview Lab → · Contrast checker → · Palette generator →