#4F99DA#4F99DA

#4F99DA is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.4% C 0.122 H 247.4°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#4F99DA
RGB	rgb(79, 153, 218)
HSL	hsl(208, 65%, 58%)
HSV	hsv(208, 64%, 85%)
CMYK	cmyk(63.8%, 29.8%, 0%, 14.5%)
CIE-LAB	lab(61.22, -3.10, -39.94)
CIE-LCH	lch(61.22, 40.06, 265.56°)
OKLab	oklab(66.37% -0.047 -0.1127)
OKLCH	oklch(66.37% 0.122 247.4)
XYZ	xyz(27.2659, 29.5040, 70.5740)
Luminance	0.2951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99DA #DA904F

analogous

#4FDAD6 #4F99DA #4F53DA

triadic

#4F99DA #DA4F99 #99DA4F

tetradic

#4F99DA #D64FDA #DA904F #53DA4F

square

#4F99DA #D64FDA #DA904F #53DA4F

split-complementary

#4F99DA #DA4F53 #DAD64F

monochromatic

#1E5B90 #297BC3 #4F99DA #82B6E5 #B4D4EF

Accessibility & contrast

On white

3.04

#4F99DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#4F99DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F99DA

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99DA	#FFFFFF	#000000	##000000
##4F99DA	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9BDD

Deuteranopia (green-blind)

#6A8ED9

Tritanopia (blue-blind)

#00A8B0

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4f99da;
/* rgb */ color: rgb(79, 153, 218);
/* oklch */ color: oklch(66.4% 0.122 247.4);

Tailwind

colors: {
  custom: {
    50: '#8db6e5',
    500: '#4f99da',
    950: '#000000',
  },
}

SCSS

$custom: #4f99da;
$custom-light: #8db6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99da",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 218
  },
  "hsl": {
    "h": 208.058,
    "s": 65.258,
    "l": 58.235
  },
  "oklch": {
    "l": 0.66368,
    "c": 0.12215,
    "h": 247.4
  },
  "luminance": 0.29507
}

Semantic roles & 50–950 ramp

primary

#4F99DA

secondary

#DEC1A7

accent

#8E40E8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4F99DA

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

Preview Lab → · Contrast checker → · Palette generator →