#4F99D9#4F99D9

#4F99D9 is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.3% C 0.121 H 247.0°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#4F99D9
RGB	rgb(79, 153, 217)
HSL	hsl(208, 64%, 58%)
HSV	hsv(208, 64%, 85%)
CMYK	cmyk(63.6%, 29.5%, 0%, 14.9%)
CIE-LAB	lab(61.18, -3.43, -39.45)
CIE-LCH	lch(61.18, 39.60, 265.03°)
OKLab	oklab(66.32% -0.0473 -0.1113)
OKLCH	oklch(66.32% 0.121 247)
XYZ	xyz(27.1354, 29.4518, 69.8869)
Luminance	0.2945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99D9 #D98F4F

analogous

#4FD9D4 #4F99D9 #4F54D9

triadic

#4F99D9 #D94F99 #99D94F

tetradic

#4F99D9 #D44FD9 #D98F4F #54D94F

square

#4F99D9 #D44FD9 #D98F4F #54D94F

split-complementary

#4F99D9 #D94F54 #D9D44F

monochromatic

#1F5B8F #2A7BC1 #4F99D9 #81B6E4 #B4D3EF

Accessibility & contrast

On white

3.05

#4F99D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#4F99D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99D9

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99D9	#FFFFFF	#000000	##000000
##4F99D9	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9BDC

Deuteranopia (green-blind)

#6A8ED8

Tritanopia (blue-blind)

#00A8B0

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4f99d9;
/* rgb */ color: rgb(79, 153, 217);
/* oklch */ color: oklch(66.3% 0.121 247.0);

Tailwind

colors: {
  custom: {
    50: '#8db6e5',
    500: '#4f99d9',
    950: '#000000',
  },
}

SCSS

$custom: #4f99d9;
$custom-light: #8db6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99d9",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 217
  },
  "hsl": {
    "h": 207.826,
    "s": 64.486,
    "l": 58.039
  },
  "oklch": {
    "l": 0.66317,
    "c": 0.12097,
    "h": 247
  },
  "luminance": 0.29454
}

Semantic roles & 50–950 ramp

primary

#4F99D9

secondary

#DDC0A6

accent

#8E40E7

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1115

muted

#7E8084

Preview Lab

Preview with #4F99D9

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

Preview Lab → · Contrast checker → · Palette generator →