#4FB8FF#4FB8FF

#4FB8FF is a light, vivid cyan. Relative luminance 0.432; OKLCH L 75.2% C 0.140 H 241.8°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#4FB8FF
RGB	rgb(79, 184, 255)
HSL	hsl(204, 100%, 65%)
HSV	hsv(204, 69%, 100%)
CMYK	cmyk(69%, 27.8%, 0%, 0%)
CIE-LAB	lab(71.66, -8.20, -43.84)
CIE-LCH	lch(71.66, 44.60, 259.41°)
OKLab	oklab(75.15% -0.0665 -0.1238)
OKLCH	oklch(75.15% 0.14 241.8)
XYZ	xyz(38.4080, 43.1590, 100.8947)
Luminance	0.4316 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB8FF #FF964F

analogous

#4FFFEE #4FB8FF #4F60FF

triadic

#4FB8FF #FF4FB8 #B8FF4F

tetradic

#4FB8FF #EE4FFF #FF964F #60FF4F

square

#4FB8FF #EE4FFF #FF964F #60FF4F

split-complementary

#4FB8FF #FF4F60 #FFEE4F

monochromatic

#007ED4 #129FFF #4FB8FF #8CD1FF #C9E9FF

Accessibility & contrast

On white

2.18

#4FB8FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.63

#4FB8FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB8FF

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB8FF	#FFFFFF	#000000	##000000
##4FB8FF	1.00	2.18	9.63	9.63
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.63	21.00	1.00	1.00
##000000	9.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B9FF

Deuteranopia (green-blind)

#7FA8FE

Tritanopia (blue-blind)

#00CAD1

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #4fb8ff;
/* rgb */ color: rgb(79, 184, 255);
/* oklch */ color: oklch(75.2% 0.140 241.8);

Tailwind

colors: {
  custom: {
    50: '#93cdff',
    500: '#4fb8ff',
    950: '#000000',
  },
}

SCSS

$custom: #4fb8ff;
$custom-light: #93cdff;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb8ff",
  "rgb": {
    "r": 79,
    "g": 184,
    "b": 255
  },
  "hsl": {
    "h": 204.205,
    "s": 100,
    "l": 65.49
  },
  "oklch": {
    "l": 0.75152,
    "c": 0.14049,
    "h": 241.8
  },
  "luminance": 0.43163
}

Semantic roles & 50–950 ramp

primary

#4FB8FF

secondary

#F2CFB7

accent

#5D00E6

background

#F9FCFF

surface

#F2F8FF

border

#CCD1D7

text

#0F1318

muted

#7E8286

Preview Lab

Preview with #4FB8FF

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

Preview Lab → · Contrast checker → · Palette generator →