#4EB5E0#4EB5E0

#4EB5E0 is a light, moderate cyan. Relative luminance 0.400; OKLCH L 73.0% C 0.113 H 228.8°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#4EB5E0
RGB	rgb(78, 181, 224)
HSL	hsl(198, 70%, 59%)
HSV	hsv(198, 65%, 88%)
CMYK	cmyk(65.2%, 19.2%, 0%, 12.2%)
CIE-LAB	lab(69.50, -16.71, -30.38)
CIE-LCH	lch(69.50, 34.67, 241.18°)
OKLab	oklab(73.01% -0.0743 -0.085)
OKLCH	oklch(73.01% 0.113 228.8)
XYZ	xyz(33.1150, 40.0457, 76.4910)
Luminance	0.4005 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB5E0 #E0794E

analogous

#4EE0C2 #4EB5E0 #4E6CE0

triadic

#4EB5E0 #E04EB5 #B5E04E

tetradic

#4EB5E0 #C24EE0 #E0794E #6CE04E

square

#4EB5E0 #C24EE0 #E0794E #6CE04E

split-complementary

#4EB5E0 #E04E6C #E0C24E

monochromatic

#1B7499 #249BCD #4EB5E0 #82CBE9 #B6E1F2

Accessibility & contrast

On white

2.33

#4EB5E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#4EB5E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB5E0

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB5E0	#FFFFFF	#000000	##000000
##4EB5E0	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB2E2

Deuteranopia (green-blind)

#8AA3DF

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4eb5e0;
/* rgb */ color: rgb(78, 181, 224);
/* oklch */ color: oklch(73.0% 0.113 228.8);

Tailwind

colors: {
  custom: {
    50: '#8ecbe9',
    500: '#4eb5e0',
    950: '#000000',
  },
}

SCSS

$custom: #4eb5e0;
$custom-light: #8ecbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb5e0",
  "rgb": {
    "r": 78,
    "g": 181,
    "b": 224
  },
  "hsl": {
    "h": 197.671,
    "s": 70.192,
    "l": 59.216
  },
  "oklch": {
    "l": 0.73006,
    "c": 0.11291,
    "h": 228.8
  },
  "luminance": 0.40049
}

Semantic roles & 50–950 ramp

primary

#4EB5E0

secondary

#E1B9A8

accent

#6F3BED

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4EB5E0

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

Preview Lab → · Contrast checker → · Palette generator →