#4FB5EB#4FB5EB

#4FB5EB is a light, vivid cyan. Relative luminance 0.407; OKLCH L 73.5% C 0.122 H 235.1°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#4FB5EB
RGB	rgb(79, 181, 235)
HSL	hsl(201, 80%, 62%)
HSV	hsv(201, 66%, 92%)
CMYK	cmyk(66.4%, 23%, 0%, 7.8%)
CIE-LAB	lab(69.97, -13.07, -35.65)
CIE-LCH	lch(69.97, 37.97, 249.87°)
OKLab	oklab(73.53% -0.0699 -0.1001)
OKLCH	oklch(73.53% 0.122 235.1)
XYZ	xyz(34.7379, 40.7045, 84.6072)
Luminance	0.4071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB5EB #EB854F

analogous

#4FEBD3 #4FB5EB #4F67EB

triadic

#4FB5EB #EB4FB5 #B5EB4F

tetradic

#4FB5EB #D34FEB #EB854F #67EB4F

square

#4FB5EB #D34FEB #EB854F #67EB4F

split-complementary

#4FB5EB #EB4F67 #EBD34F

monochromatic

#1477AC #1A9DE3 #4FB5EB #86CCF1 #BDE3F7

Accessibility & contrast

On white

2.30

#4FB5EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#4FB5EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB5EB

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB5EB	#FFFFFF	#000000	##000000
##4FB5EB	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB4EE

Deuteranopia (green-blind)

#86A4EA

Tritanopia (blue-blind)

#00C3C7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #4fb5eb;
/* rgb */ color: rgb(79, 181, 235);
/* oklch */ color: oklch(73.5% 0.122 235.1);

Tailwind

colors: {
  custom: {
    50: '#90cbf1',
    500: '#4fb5eb',
    950: '#000000',
  },
}

SCSS

$custom: #4fb5eb;
$custom-light: #90cbf1;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb5eb",
  "rgb": {
    "r": 79,
    "g": 181,
    "b": 235
  },
  "hsl": {
    "h": 200.769,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.7353,
    "c": 0.12213,
    "h": 235.1
  },
  "luminance": 0.40708
}

Semantic roles & 50–950 ramp

primary

#4FB5EB

secondary

#E8C2AE

accent

#520ADC

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB5EB

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

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