#4EB5DD#4EB5DD

#4EB5DD is a light, moderate cyan. Relative luminance 0.399; OKLCH L 72.9% C 0.111 H 227.0°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#4EB5DD
RGB	rgb(78, 181, 221)
HSL	hsl(197, 68%, 59%)
HSV	hsv(197, 65%, 87%)
CMYK	cmyk(64.7%, 18.1%, 0%, 13.3%)
CIE-LAB	lab(69.39, -17.65, -28.91)
CIE-LCH	lch(69.39, 33.88, 238.59°)
OKLab	oklab(72.88% -0.0754 -0.0808)
OKLCH	oklch(72.88% 0.111 227)
XYZ	xyz(32.7117, 39.8844, 74.3671)
Luminance	0.3989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB5DD #DD764E

analogous

#4EDDBD #4EB5DD #4E6DDD

triadic

#4EB5DD #DD4EB5 #B5DD4E

tetradic

#4EB5DD #BD4EDD #DD764E #6DDD4E

square

#4EB5DD #BD4EDD #DD764E #6DDD4E

split-complementary

#4EB5DD #DD4E6D #DDBD4E

monochromatic

#1C7394 #269AC7 #4EB5DD #81CAE7 #B5E0F1

Accessibility & contrast

On white

2.34

#4EB5DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#4EB5DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB5DD

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB5DD	#FFFFFF	#000000	##000000
##4EB5DD	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B2DF

Deuteranopia (green-blind)

#8CA3DD

Tritanopia (blue-blind)

#00C1C2

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #4eb5dd;
/* rgb */ color: rgb(78, 181, 221);
/* oklch */ color: oklch(72.9% 0.111 227.0);

Tailwind

colors: {
  custom: {
    50: '#8ecbe7',
    500: '#4eb5dd',
    950: '#000000',
  },
}

SCSS

$custom: #4eb5dd;
$custom-light: #8ecbe7;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb5dd",
  "rgb": {
    "r": 78,
    "g": 181,
    "b": 221
  },
  "hsl": {
    "h": 196.783,
    "s": 67.773,
    "l": 58.627
  },
  "oklch": {
    "l": 0.72877,
    "c": 0.11053,
    "h": 227
  },
  "luminance": 0.39888
}

Semantic roles & 50–950 ramp

primary

#4EB5DD

secondary

#E0B7A7

accent

#6E3DEB

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4EB5DD

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

Preview Lab → · Contrast checker → · Palette generator →