#4EB5E1#4EB5E1

#4EB5E1 is a light, moderate cyan. Relative luminance 0.401; OKLCH L 73.0% C 0.114 H 229.4°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#4EB5E1
RGB	rgb(78, 181, 225)
HSL	hsl(198, 71%, 59%)
HSV	hsv(198, 65%, 88%)
CMYK	cmyk(65.3%, 19.6%, 0%, 11.8%)
CIE-LAB	lab(69.54, -16.40, -30.86)
CIE-LCH	lch(69.54, 34.95, 242.01°)
OKLab	oklab(73.05% -0.074 -0.0864)
OKLCH	oklch(73.05% 0.114 229.4)
XYZ	xyz(33.2510, 40.1002, 77.2073)
Luminance	0.4010 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB5E1 #E17A4E

analogous

#4EE1C3 #4EB5E1 #4E6CE1

triadic

#4EB5E1 #E14EB5 #B5E14E

tetradic

#4EB5E1 #C34EE1 #E17A4E #6CE14E

square

#4EB5E1 #C34EE1 #E17A4E #6CE14E

split-complementary

#4EB5E1 #E14E6C #E1C34E

monochromatic

#1A749A #239BCF #4EB5E1 #82CBEA #B7E1F3

Accessibility & contrast

On white

2.33

#4EB5E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#4EB5E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB5E1

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB5E1	#FFFFFF	#000000	##000000
##4EB5E1	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB2E3

Deuteranopia (green-blind)

#8AA3E0

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4eb5e1;
/* rgb */ color: rgb(78, 181, 225);
/* oklch */ color: oklch(73.0% 0.114 229.4);

Tailwind

colors: {
  custom: {
    50: '#8fcbea',
    500: '#4eb5e1',
    950: '#000000',
  },
}

SCSS

$custom: #4eb5e1;
$custom-light: #8fcbea;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb5e1",
  "rgb": {
    "r": 78,
    "g": 181,
    "b": 225
  },
  "hsl": {
    "h": 197.959,
    "s": 71.014,
    "l": 59.412
  },
  "oklch": {
    "l": 0.7305,
    "c": 0.11373,
    "h": 229.4
  },
  "luminance": 0.40104
}

Semantic roles & 50–950 ramp

primary

#4EB5E1

secondary

#E2BAA9

accent

#703AEE

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4EB5E1

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

Preview Lab → · Contrast checker → · Palette generator →