#4FB8E9#4FB8E9

#4FB8E9 is a light, moderate cyan. Relative luminance 0.418; OKLCH L 74.1% C 0.119 H 231.8°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#4FB8E9
RGB	rgb(79, 184, 233)
HSL	hsl(199, 78%, 61%)
HSV	hsv(199, 66%, 91%)
CMYK	cmyk(66.1%, 21%, 0%, 8.6%)
CIE-LAB	lab(70.75, -15.30, -33.35)
CIE-LCH	lch(70.75, 36.70, 245.35°)
OKLab	oklab(74.13% -0.0736 -0.0935)
OKLCH	oklch(74.13% 0.119 231.8)
XYZ	xyz(35.0671, 41.8227, 83.2995)
Luminance	0.4183 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB8E9 #E9804F

analogous

#4FE9CD #4FB8E9 #4F6BE9

triadic

#4FB8E9 #E94FB8 #B8E94F

tetradic

#4FB8E9 #CD4FE9 #E9804F #6BE94F

square

#4FB8E9 #CD4FE9 #E9804F #6BE94F

split-complementary

#4FB8E9 #E94F6B #E9CD4F

monochromatic

#157AA9 #1CA1DF #4FB8E9 #85CEF0 #BCE4F7

Accessibility & contrast

On white

2.24

#4FB8E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#4FB8E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB8E9

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB8E9	#FFFFFF	#000000	##000000
##4FB8E9	1.00	2.24	9.37	9.37
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.37	21.00	1.00	1.00
##000000	9.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B6EB

Deuteranopia (green-blind)

#8AA6E8

Tritanopia (blue-blind)

#00C5C8

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #4fb8e9;
/* rgb */ color: rgb(79, 184, 233);
/* oklch */ color: oklch(74.1% 0.119 231.8);

Tailwind

colors: {
  custom: {
    50: '#90cdf0',
    500: '#4fb8e9',
    950: '#000000',
  },
}

SCSS

$custom: #4fb8e9;
$custom-light: #90cdf0;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb8e9",
  "rgb": {
    "r": 79,
    "g": 184,
    "b": 233
  },
  "hsl": {
    "h": 199.091,
    "s": 77.778,
    "l": 61.176
  },
  "oklch": {
    "l": 0.74125,
    "c": 0.119,
    "h": 231.8
  },
  "luminance": 0.41826
}

Semantic roles & 50–950 ramp

primary

#4FB8E9

secondary

#E7BFAD

accent

#4D0BDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB8E9

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

Preview Lab → · Contrast checker → · Palette generator →