#4FB8EB#4FB8EB

#4FB8EB is a light, vivid cyan. Relative luminance 0.419; OKLCH L 74.2% C 0.121 H 232.9°. Best body text is #000000 at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#4FB8EB
RGB	rgb(79, 184, 235)
HSL	hsl(200, 80%, 62%)
HSV	hsv(200, 66%, 92%)
CMYK	cmyk(66.4%, 21.7%, 0%, 7.8%)
CIE-LAB	lab(70.83, -14.67, -34.32)
CIE-LCH	lch(70.83, 37.32, 246.85°)
OKLab	oklab(74.21% -0.0729 -0.0963)
OKLCH	oklch(74.21% 0.121 232.9)
XYZ	xyz(35.3544, 41.9376, 84.8127)
Luminance	0.4194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB8EB #EB824F

analogous

#4FEBD0 #4FB8EB #4F6AEB

triadic

#4FB8EB #EB4FB8 #B8EB4F

tetradic

#4FB8EB #D04FEB #EB824F #6AEB4F

square

#4FB8EB #D04FEB #EB824F #6AEB4F

split-complementary

#4FB8EB #EB4F6A #EBD04F

monochromatic

#147AAC #1AA1E3 #4FB8EB #86CEF1 #BDE4F7

Accessibility & contrast

On white

2.24

#4FB8EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.39

#4FB8EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB8EB

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB8EB	#FFFFFF	#000000	##000000
##4FB8EB	1.00	2.24	9.39	9.39
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.39	21.00	1.00	1.00
##000000	9.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB6ED

Deuteranopia (green-blind)

#89A6EA

Tritanopia (blue-blind)

#00C6C9

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #4fb8eb;
/* rgb */ color: rgb(79, 184, 235);
/* oklch */ color: oklch(74.2% 0.121 232.9);

Tailwind

colors: {
  custom: {
    50: '#90cdf1',
    500: '#4fb8eb',
    950: '#000000',
  },
}

SCSS

$custom: #4fb8eb;
$custom-light: #90cdf1;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb8eb",
  "rgb": {
    "r": 79,
    "g": 184,
    "b": 235
  },
  "hsl": {
    "h": 199.615,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.74214,
    "c": 0.12077,
    "h": 232.9
  },
  "luminance": 0.41941
}

Semantic roles & 50–950 ramp

primary

#4FB8EB

secondary

#E8C1AE

accent

#4E0ADC

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB8EB

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

Preview Lab → · Contrast checker → · Palette generator →