#4FB9DD#4FB9DD

#4FB9DD is a light, moderate cyan. Relative luminance 0.416; OKLCH L 73.8% C 0.109 H 223.7°. Best body text is #000000 at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#4FB9DD
RGB	rgb(79, 185, 221)
HSL	hsl(195, 68%, 59%)
HSV	hsv(195, 64%, 87%)
CMYK	cmyk(64.3%, 16.3%, 0%, 13.3%)
CIE-LAB	lab(70.58, -19.58, -27.08)
CIE-LCH	lch(70.58, 33.41, 234.13°)
OKLab	oklab(73.84% -0.0789 -0.0756)
OKLCH	oklch(73.84% 0.109 223.7)
XYZ	xyz(33.6193, 41.5771, 74.6460)
Luminance	0.4158 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB9DD #DD734F

analogous

#4FDDBA #4FB9DD #4F72DD

triadic

#4FB9DD #DD4FB9 #B9DD4F

tetradic

#4FB9DD #BA4FDD #DD734F #72DD4F

square

#4FB9DD #BA4FDD #DD734F #72DD4F

split-complementary

#4FB9DD #DD4F72 #DDBA4F

monochromatic

#1D7695 #279FC8 #4FB9DD #82CDE7 #B6E2F1

Accessibility & contrast

On white

2.25

#4FB9DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.32

#4FB9DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB9DD

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB9DD	#FFFFFF	#000000	##000000
##4FB9DD	1.00	2.25	9.32	9.32
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.32	21.00	1.00	1.00
##000000	9.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B5DF

Deuteranopia (green-blind)

#91A6DD

Tritanopia (blue-blind)

#00C4C5

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #4fb9dd;
/* rgb */ color: rgb(79, 185, 221);
/* oklch */ color: oklch(73.8% 0.109 223.7);

Tailwind

colors: {
  custom: {
    50: '#8fcee7',
    500: '#4fb9dd',
    950: '#000000',
  },
}

SCSS

$custom: #4fb9dd;
$custom-light: #8fcee7;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb9dd",
  "rgb": {
    "r": 79,
    "g": 185,
    "b": 221
  },
  "hsl": {
    "h": 195.211,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.73837,
    "c": 0.10927,
    "h": 223.7
  },
  "luminance": 0.41581
}

Semantic roles & 50–950 ramp

primary

#4FB9DD

secondary

#E0B6A8

accent

#693DEA

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB9DD

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

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