#4FBDE9#4FBDE9

#4FBDE9 is a light, moderate cyan. Relative luminance 0.439; OKLCH L 75.3% C 0.117 H 227.9°. Best body text is #000000 at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#4FBDE9
RGB	rgb(79, 189, 233)
HSL	hsl(197, 78%, 61%)
HSV	hsv(197, 66%, 91%)
CMYK	cmyk(66.1%, 18.9%, 0%, 8.6%)
CIE-LAB	lab(72.19, -17.93, -31.13)
CIE-LCH	lch(72.19, 35.93, 240.05°)
OKLab	oklab(75.27% -0.0786 -0.0871)
OKLCH	oklch(75.27% 0.117 227.9)
XYZ	xyz(36.1242, 43.9367, 83.6518)
Luminance	0.4394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FBDE9 #E97B4F

analogous

#4FE9C8 #4FBDE9 #4F70E9

triadic

#4FBDE9 #E94FBD #BDE94F

tetradic

#4FBDE9 #C84FE9 #E97B4F #70E94F

square

#4FBDE9 #C84FE9 #E97B4F #70E94F

split-complementary

#4FBDE9 #E94F70 #E9C84F

monochromatic

#157EA9 #1CA7DF #4FBDE9 #85D1F0 #BCE6F7

Accessibility & contrast

On white

2.15

#4FBDE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.79

#4FBDE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FBDE9

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FBDE9	#FFFFFF	#000000	##000000
##4FBDE9	1.00	2.15	9.79	9.79
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.79	21.00	1.00	1.00
##000000	9.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BAEB

Deuteranopia (green-blind)

#90AAE8

Tritanopia (blue-blind)

#00CACB

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #4fbde9;
/* rgb */ color: rgb(79, 189, 233);
/* oklch */ color: oklch(75.3% 0.117 227.9);

Tailwind

colors: {
  custom: {
    50: '#90d1f0',
    500: '#4fbde9',
    950: '#000000',
  },
}

SCSS

$custom: #4fbde9;
$custom-light: #90d1f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4fbde9",
  "rgb": {
    "r": 79,
    "g": 189,
    "b": 233
  },
  "hsl": {
    "h": 197.143,
    "s": 77.778,
    "l": 61.176
  },
  "oklch": {
    "l": 0.75272,
    "c": 0.11733,
    "h": 227.9
  },
  "luminance": 0.43941
}

Semantic roles & 50–950 ramp

primary

#4FBDE9

secondary

#E7BEAD

accent

#460BDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #4FBDE9

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

Preview Lab → · Contrast checker → · Palette generator →