#4F99E4#4F99E4

#4F99E4 is a light, vivid cyan. Relative luminance 0.300; OKLCH L 66.9% C 0.134 H 250.8°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#4F99E4
RGB	rgb(79, 153, 228)
HSL	hsl(210, 73%, 60%)
HSV	hsv(210, 65%, 89%)
CMYK	cmyk(65.4%, 32.9%, 0%, 10.6%)
CIE-LAB	lab(61.69, 0.23, -44.75)
CIE-LCH	lch(61.69, 44.75, 270.29°)
OKLab	oklab(66.89% -0.0442 -0.1267)
OKLCH	oklch(66.89% 0.134 250.8)
XYZ	xyz(28.6141, 30.0433, 77.6747)
Luminance	0.3005 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99E4 #E49A4F

analogous

#4FE4E4 #4F99E4 #4F4FE4

triadic

#4F99E4 #E44F99 #99E44F

tetradic

#4F99E4 #E44FE4 #E49A4F #4FE44F

square

#4F99E4 #E44FE4 #E49A4F #4FE44F

split-complementary

#4F99E4 #E44F4F #E4E44F

monochromatic

#195CA0 #217AD5 #4F99E4 #84B8EC #B9D7F4

Accessibility & contrast

On white

3.00

#4F99E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

7.01

#4F99E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F99E4

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99E4	#FFFFFF	#000000	##000000
##4F99E4	1.00	3.00	7.01	7.01
#FFFFFF	3.00	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#789DE7

Deuteranopia (green-blind)

#638FE3

Tritanopia (blue-blind)

#00ABB4

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #4f99e4;
/* rgb */ color: rgb(79, 153, 228);
/* oklch */ color: oklch(66.9% 0.134 250.8);

Tailwind

colors: {
  custom: {
    50: '#8fb6ed',
    500: '#4f99e4',
    950: '#000000',
  },
}

SCSS

$custom: #4f99e4;
$custom-light: #8fb6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99e4",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 228
  },
  "hsl": {
    "h": 210.201,
    "s": 73.399,
    "l": 60.196
  },
  "oklch": {
    "l": 0.66889,
    "c": 0.13423,
    "h": 250.8
  },
  "luminance": 0.30046
}

Semantic roles & 50–950 ramp

primary

#4F99E4

secondary

#E4C8AB

accent

#7310D6

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #4F99E4

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

Preview Lab → · Contrast checker → · Palette generator →