#4FB3DB#4FB3DB

#4FB3DB is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.4% C 0.109 H 227.6°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#4FB3DB
RGB	rgb(79, 179, 219)
HSL	hsl(197, 66%, 58%)
HSV	hsv(197, 64%, 86%)
CMYK	cmyk(63.9%, 18.3%, 0%, 14.1%)
CIE-LAB	lab(68.76, -17.06, -28.78)
CIE-LCH	lch(68.76, 33.45, 239.34°)
OKLab	oklab(72.36% -0.0735 -0.0804)
OKLCH	oklch(72.36% 0.109 227.6)
XYZ	xyz(32.1257, 39.0136, 72.8414)
Luminance	0.3902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB3DB #DB774F

analogous

#4FDBBD #4FB3DB #4F6DDB

triadic

#4FB3DB #DB4FB3 #B3DB4F

tetradic

#4FB3DB #BD4FDB #DB774F #6DDB4F

square

#4FB3DB #BD4FDB #DB774F #6DDB4F

split-complementary

#4FB3DB #DB4F6D #DBBD4F

monochromatic

#1E7192 #2898C5 #4FB3DB #82C9E5 #B5DFF0

Accessibility & contrast

On white

2.39

#4FB3DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#4FB3DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB3DB

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB3DB	#FFFFFF	#000000	##000000
##4FB3DB	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB0DD

Deuteranopia (green-blind)

#8AA1DB

Tritanopia (blue-blind)

#00BFC0

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4fb3db;
/* rgb */ color: rgb(79, 179, 219);
/* oklch */ color: oklch(72.4% 0.109 227.6);

Tailwind

colors: {
  custom: {
    50: '#8ec9e6',
    500: '#4fb3db',
    950: '#000000',
  },
}

SCSS

$custom: #4fb3db;
$custom-light: #8ec9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb3db",
  "rgb": {
    "r": 79,
    "g": 179,
    "b": 219
  },
  "hsl": {
    "h": 197.143,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.7236,
    "c": 0.10895,
    "h": 227.6
  },
  "luminance": 0.39017
}

Semantic roles & 50–950 ramp

primary

#4FB3DB

secondary

#DFB7A7

accent

#6F3FE9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB3DB

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

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