#4FC9EB#4FC9EB

#4FC9EB is a light, moderate cyan. Relative luminance 0.494; OKLCH L 78.1% C 0.117 H 219.7°. Best body text is #000000 at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#4FC9EB
RGB	rgb(79, 201, 235)
HSL	hsl(193, 80%, 62%)
HSV	hsv(193, 66%, 92%)
CMYK	cmyk(66.4%, 14.5%, 0%, 7.8%)
CIE-LAB	lab(75.72, -23.47, -26.78)
CIE-LCH	lch(75.72, 35.61, 228.77°)
OKLab	oklab(78.12% -0.0898 -0.0747)
OKLCH	oklch(78.12% 0.117 219.7)
XYZ	xyz(39.1003, 49.4294, 86.0613)
Luminance	0.4943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FC9EB #EB714F

analogous

#4FEBBF #4FC9EB #4F7BEB

triadic

#4FC9EB #EB4FC9 #C9EB4F

tetradic

#4FC9EB #BF4FEB #EB714F #7BEB4F

square

#4FC9EB #BF4FEB #EB714F #7BEB4F

split-complementary

#4FC9EB #EB4F7B #EBBF4F

monochromatic

#148BAC #1AB7E3 #4FC9EB #86DAF1 #BDEBF7

Accessibility & contrast

On white

1.93

#4FC9EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.89

#4FC9EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FC9EB

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FC9EB	#FFFFFF	#000000	##000000
##4FC9EB	1.00	1.93	10.89	10.89
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.89	21.00	1.00	1.00
##000000	10.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C4ED

Deuteranopia (green-blind)

#9EB4EB

Tritanopia (blue-blind)

#00D4D4

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #4fc9eb;
/* rgb */ color: rgb(79, 201, 235);
/* oklch */ color: oklch(78.1% 0.117 219.7);

Tailwind

colors: {
  custom: {
    50: '#91d9f1',
    500: '#4fc9eb',
    950: '#000000',
  },
}

SCSS

$custom: #4fc9eb;
$custom-light: #91d9f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4fc9eb",
  "rgb": {
    "r": 79,
    "g": 201,
    "b": 235
  },
  "hsl": {
    "h": 193.077,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.78123,
    "c": 0.11682,
    "h": 219.7
  },
  "luminance": 0.49434
}

Semantic roles & 50–950 ramp

primary

#4FC9EB

secondary

#E8BBAE

accent

#370ADC

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #4FC9EB

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

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