#4DC9EE#4DC9EE

#4DC9EE is a light, moderate cyan. Relative luminance 0.495; OKLCH L 78.2% C 0.120 H 221.4°. Best body text is #000000 at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#4DC9EE
RGB	rgb(77, 201, 238)
HSL	hsl(194, 83%, 62%)
HSV	hsv(194, 68%, 93%)
CMYK	cmyk(67.6%, 15.5%, 0%, 6.7%)
CIE-LAB	lab(75.77, -22.85, -28.32)
CIE-LCH	lch(75.77, 36.38, 231.10°)
OKLab	oklab(78.19% -0.0897 -0.079)
OKLCH	oklch(78.19% 0.12 221.4)
XYZ	xyz(39.3735, 49.5197, 88.3555)
Luminance	0.4952 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DC9EE #EE724D

analogous

#4DEEC3 #4DC9EE #4D79EE

triadic

#4DC9EE #EE4DC9 #C9EE4D

tetradic

#4DC9EE #C34DEE #EE724D #79EE4D

square

#4DC9EE #C34DEE #EE724D #79EE4D

split-complementary

#4DC9EE #EE4D79 #EEC34D

monochromatic

#118BB0 #16B8E8 #4DC9EE #85DAF3 #BDEBF9

Accessibility & contrast

On white

1.93

#4DC9EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.90

#4DC9EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DC9EE

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DC9EE	#FFFFFF	#000000	##000000
##4DC9EE	1.00	1.93	10.90	10.90
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.90	21.00	1.00	1.00
##000000	10.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C4F0

Deuteranopia (green-blind)

#9DB4EE

Tritanopia (blue-blind)

#00D5D5

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #4dc9ee;
/* rgb */ color: rgb(77, 201, 238);
/* oklch */ color: oklch(78.2% 0.120 221.4);

Tailwind

colors: {
  custom: {
    50: '#91d9f3',
    500: '#4dc9ee',
    950: '#000000',
  },
}

SCSS

$custom: #4dc9ee;
$custom-light: #91d9f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4dc9ee",
  "rgb": {
    "r": 77,
    "g": 201,
    "b": 238
  },
  "hsl": {
    "h": 193.789,
    "s": 82.564,
    "l": 61.765
  },
  "oklch": {
    "l": 0.78189,
    "c": 0.11959,
    "h": 221.4
  },
  "luminance": 0.49524
}

Semantic roles & 50–950 ramp

primary

#4DC9EE

secondary

#E9BBAE

accent

#3807DF

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4DC9EE

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

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