#4EB5DB#4EB5DB

#4EB5DB is a light, moderate cyan. Relative luminance 0.398; OKLCH L 72.8% C 0.109 H 225.7°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#4EB5DB
RGB	rgb(78, 181, 219)
HSL	hsl(196, 66%, 58%)
HSV	hsv(196, 64%, 86%)
CMYK	cmyk(64.4%, 17.4%, 0%, 14.1%)
CIE-LAB	lab(69.31, -18.27, -27.93)
CIE-LCH	lch(69.31, 33.38, 236.81°)
OKLab	oklab(72.79% -0.0762 -0.078)
OKLCH	oklch(72.79% 0.109 225.7)
XYZ	xyz(32.4468, 39.7785, 72.9721)
Luminance	0.3978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB5DB #DB744E

analogous

#4EDBBA #4EB5DB #4E6EDB

triadic

#4EB5DB #DB4EB5 #B5DB4E

tetradic

#4EB5DB #BA4EDB #DB744E #6EDB4E

square

#4EB5DB #BA4EDB #DB744E #6EDB4E

split-complementary

#4EB5DB #DB4E6E #DBBA4E

monochromatic

#1E7291 #289AC4 #4EB5DB #81CAE5 #B4E0F0

Accessibility & contrast

On white

2.34

#4EB5DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#4EB5DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB5DB

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB5DB	#FFFFFF	#000000	##000000
##4EB5DB	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B1DD

Deuteranopia (green-blind)

#8CA3DB

Tritanopia (blue-blind)

#00C0C1

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #4eb5db;
/* rgb */ color: rgb(78, 181, 219);
/* oklch */ color: oklch(72.8% 0.109 225.7);

Tailwind

colors: {
  custom: {
    50: '#8ecbe6',
    500: '#4eb5db',
    950: '#000000',
  },
}

SCSS

$custom: #4eb5db;
$custom-light: #8ecbe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb5db",
  "rgb": {
    "r": 78,
    "g": 181,
    "b": 219
  },
  "hsl": {
    "h": 196.17,
    "s": 66.197,
    "l": 58.235
  },
  "oklch": {
    "l": 0.72791,
    "c": 0.10902,
    "h": 225.7
  },
  "luminance": 0.39782
}

Semantic roles & 50–950 ramp

primary

#4EB5DB

secondary

#DEB5A6

accent

#6D3FE9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4EB5DB

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

Preview Lab → · Contrast checker → · Palette generator →