#4F99FF#4F99FF

#4F99FF is a light, vivid cyan. Relative luminance 0.317; OKLCH L 68.4% C 0.168 H 257.0°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#4F99FF
RGB	rgb(79, 153, 255)
HSL	hsl(215, 100%, 65%)
HSV	hsv(215, 69%, 100%)
CMYK	cmyk(69%, 40%, 0%, 0%)
CIE-LAB	lab(63.06, 9.42, -57.43)
CIE-LCH	lch(63.06, 58.20, 279.32°)
OKLab	oklab(68.41% -0.0377 -0.1638)
OKLCH	oklch(68.41% 0.168 257)
XYZ	xyz(32.6591, 31.6613, 98.9784)
Luminance	0.3166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99FF #FFB54F

analogous

#4FF1FF #4F99FF #5D4FFF

triadic

#4F99FF #FF4F99 #99FF4F

tetradic

#4F99FF #FF4FF1 #FFB54F #4FFF5D

square

#4F99FF #FF4FF1 #FFB54F #4FFF5D

split-complementary

#4F99FF #FF5D4F #F1FF4F

monochromatic

#0059D4 #1276FF #4F99FF #8CBCFF #C9E0FF

Accessibility & contrast

On white

2.86

#4F99FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#4F99FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F99FF

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99FF	#FFFFFF	#000000	##000000
##4F99FF	1.00	2.86	7.33	7.33
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#69A1FF

Deuteranopia (green-blind)

#4D91FD

Tritanopia (blue-blind)

#00B1C0

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #4f99ff;
/* rgb */ color: rgb(79, 153, 255);
/* oklch */ color: oklch(68.4% 0.168 257.0);

Tailwind

colors: {
  custom: {
    50: '#93b6ff',
    500: '#4f99ff',
    950: '#000000',
  },
}

SCSS

$custom: #4f99ff;
$custom-light: #93b6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99ff",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 255
  },
  "hsl": {
    "h": 214.773,
    "s": 100,
    "l": 65.49
  },
  "oklch": {
    "l": 0.68405,
    "c": 0.16812,
    "h": 257
  },
  "luminance": 0.31665
}

Semantic roles & 50–950 ramp

primary

#4F99FF

secondary

#F2DAB7

accent

#8500E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1118

muted

#7E8086

Preview Lab

Preview with #4F99FF

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

Preview Lab → · Contrast checker → · Palette generator →