#4FB3D9#4FB3D9

#4FB3D9 is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.3% C 0.107 H 226.3°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#4FB3D9
RGB	rgb(79, 179, 217)
HSL	hsl(197, 64%, 58%)
HSV	hsv(197, 64%, 85%)
CMYK	cmyk(63.6%, 17.5%, 0%, 14.9%)
CIE-LAB	lab(68.69, -17.68, -27.80)
CIE-LCH	lch(68.69, 32.95, 237.54°)
OKLab	oklab(72.27% -0.0742 -0.0776)
OKLCH	oklch(72.27% 0.107 226.3)
XYZ	xyz(31.8640, 38.9089, 71.4631)
Luminance	0.3891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB3D9 #D9754F

analogous

#4FD9BA #4FB3D9 #4F6ED9

triadic

#4FB3D9 #D94FB3 #B3D94F

tetradic

#4FB3D9 #BA4FD9 #D9754F #6ED94F

square

#4FB3D9 #BA4FD9 #D9754F #6ED94F

split-complementary

#4FB3D9 #D94F6E #D9BA4F

monochromatic

#1F708F #2A97C1 #4FB3D9 #81C9E4 #B4DEEF

Accessibility & contrast

On white

2.39

#4FB3D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#4FB3D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB3D9

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB3D9	#FFFFFF	#000000	##000000
##4FB3D9	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB0DB

Deuteranopia (green-blind)

#8BA1D9

Tritanopia (blue-blind)

#00BEBF

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4fb3d9;
/* rgb */ color: rgb(79, 179, 217);
/* oklch */ color: oklch(72.3% 0.107 226.3);

Tailwind

colors: {
  custom: {
    50: '#8ec9e4',
    500: '#4fb3d9',
    950: '#000000',
  },
}

SCSS

$custom: #4fb3d9;
$custom-light: #8ec9e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb3d9",
  "rgb": {
    "r": 79,
    "g": 179,
    "b": 217
  },
  "hsl": {
    "h": 196.522,
    "s": 64.486,
    "l": 58.039
  },
  "oklch": {
    "l": 0.72274,
    "c": 0.10741,
    "h": 226.3
  },
  "luminance": 0.38912
}

Semantic roles & 50–950 ramp

primary

#4FB3D9

secondary

#DDB6A6

accent

#6E40E7

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4FB3D9

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

Preview Lab → · Contrast checker → · Palette generator →