#4FB5DB#4FB5DB

#4FB5DB is a light, moderate cyan. Relative luminance 0.398; OKLCH L 72.8% C 0.108 H 225.9°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#4FB5DB
RGB	rgb(79, 181, 219)
HSL	hsl(196, 66%, 58%)
HSV	hsv(196, 64%, 86%)
CMYK	cmyk(63.9%, 17.4%, 0%, 14.1%)
CIE-LAB	lab(69.34, -18.11, -27.89)
CIE-LCH	lch(69.34, 33.25, 237.00°)
OKLab	oklab(72.82% -0.0756 -0.0779)
OKLCH	oklch(72.82% 0.109 225.9)
XYZ	xyz(32.5294, 39.8211, 72.9760)
Luminance	0.3982 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB5DB #DB754F

analogous

#4FDBBB #4FB5DB #4F6FDB

triadic

#4FB5DB #DB4FB5 #B5DB4F

tetradic

#4FB5DB #BB4FDB #DB754F #6FDB4F

square

#4FB5DB #BB4FDB #DB754F #6FDB4F

split-complementary

#4FB5DB #DB4F6F #DBBB4F

monochromatic

#1E7292 #289AC5 #4FB5DB #82CAE5 #B5E0F0

Accessibility & contrast

On white

2.34

#4FB5DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#4FB5DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB5DB

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB5DB	#FFFFFF	#000000	##000000
##4FB5DB	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B2DD

Deuteranopia (green-blind)

#8DA3DB

Tritanopia (blue-blind)

#00C0C1

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #4fb5db;
/* rgb */ color: rgb(79, 181, 219);
/* oklch */ color: oklch(72.8% 0.108 225.9);

Tailwind

colors: {
  custom: {
    50: '#8ecbe6',
    500: '#4fb5db',
    950: '#000000',
  },
}

SCSS

$custom: #4fb5db;
$custom-light: #8ecbe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb5db",
  "rgb": {
    "r": 79,
    "g": 181,
    "b": 219
  },
  "hsl": {
    "h": 196.286,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.72824,
    "c": 0.1085,
    "h": 225.9
  },
  "luminance": 0.39824
}

Semantic roles & 50–950 ramp

primary

#4FB5DB

secondary

#DFB6A7

accent

#6D3FE9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB5DB

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

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