#4FB5DF#4FB5DF

#4FB5DF is a light, moderate cyan. Relative luminance 0.400; OKLCH L 73.0% C 0.112 H 228.4°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#4FB5DF
RGB	rgb(79, 181, 223)
HSL	hsl(198, 69%, 59%)
HSV	hsv(198, 65%, 87%)
CMYK	cmyk(64.6%, 18.8%, 0%, 12.5%)
CIE-LAB	lab(69.49, -16.87, -29.84)
CIE-LCH	lch(69.49, 34.28, 240.52°)
OKLab	oklab(73% -0.0741 -0.0834)
OKLCH	oklch(73% 0.112 228.4)
XYZ	xyz(33.0623, 40.0342, 75.7827)
Luminance	0.4004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB5DF #DF794F

analogous

#4FDFC1 #4FB5DF #4F6DDF

triadic

#4FB5DF #DF4FB5 #B5DF4F

tetradic

#4FB5DF #C14FDF #DF794F #6DDF4F

square

#4FB5DF #C14FDF #DF794F #6DDF4F

split-complementary

#4FB5DF #DF4F6D #DFC14F

monochromatic

#1C7498 #259BCC #4FB5DF #83CBE8 #B7E1F2

Accessibility & contrast

On white

2.33

#4FB5DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#4FB5DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB5DF

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB5DF	#FFFFFF	#000000	##000000
##4FB5DF	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB2E1

Deuteranopia (green-blind)

#8BA3DE

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4fb5df;
/* rgb */ color: rgb(79, 181, 223);
/* oklch */ color: oklch(73.0% 0.112 228.4);

Tailwind

colors: {
  custom: {
    50: '#8fcbe9',
    500: '#4fb5df',
    950: '#000000',
  },
}

SCSS

$custom: #4fb5df;
$custom-light: #8fcbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb5df",
  "rgb": {
    "r": 79,
    "g": 181,
    "b": 223
  },
  "hsl": {
    "h": 197.5,
    "s": 69.231,
    "l": 59.216
  },
  "oklch": {
    "l": 0.72996,
    "c": 0.1116,
    "h": 228.4
  },
  "luminance": 0.40038
}

Semantic roles & 50–950 ramp

primary

#4FB5DF

secondary

#E1B9A9

accent

#6F3CEC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB5DF

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

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