#4F99F8#4F99F8

#4F99F8 is a light, vivid cyan. Relative luminance 0.312; OKLCH L 68.0% C 0.159 H 255.7°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#4F99F8
RGB	rgb(79, 153, 248)
HSL	hsl(214, 92%, 64%)
HSV	hsv(214, 68%, 97%)
CMYK	cmyk(68.1%, 38.3%, 0%, 2.7%)
CIE-LAB	lab(62.69, 7.02, -54.19)
CIE-LCH	lch(62.69, 54.64, 277.38°)
OKLab	oklab(68% -0.0393 -0.1543)
OKLCH	oklch(68% 0.159 255.7)
XYZ	xyz(31.5528, 31.2187, 93.1517)
Luminance	0.3122 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F99F8 #F8AE4F

analogous

#4FEDF8 #4F99F8 #5A4FF8

triadic

#4F99F8 #F84F99 #99F84F

tetradic

#4F99F8 #F84FED #F8AE4F #4FF85A

square

#4F99F8 #F84FED #F8AE4F #4FF85A

split-complementary

#4F99F8 #F85A4F #EDF84F

monochromatic

#085BC5 #1477F6 #4F99F8 #8ABBFA #C5DDFD

Accessibility & contrast

On white

2.90

#4F99F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#4F99F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F99F8

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F99F8	#FFFFFF	#000000	##000000
##4F99F8	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6EA0FC

Deuteranopia (green-blind)

#5490F6

Tritanopia (blue-blind)

#00AFBC

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #4f99f8;
/* rgb */ color: rgb(79, 153, 248);
/* oklch */ color: oklch(68.0% 0.159 255.7);

Tailwind

colors: {
  custom: {
    50: '#92b6fb',
    500: '#4f99f8',
    950: '#000000',
  },
}

SCSS

$custom: #4f99f8;
$custom-light: #92b6fb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f99f8",
  "rgb": {
    "r": 79,
    "g": 153,
    "b": 248
  },
  "hsl": {
    "h": 213.728,
    "s": 92.35,
    "l": 64.118
  },
  "oklch": {
    "l": 0.67997,
    "c": 0.15925,
    "h": 255.7
  },
  "luminance": 0.31222
}

Semantic roles & 50–950 ramp

primary

#4F99F8

secondary

#EFD5B4

accent

#8100E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #4F99F8

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

Preview Lab → · Contrast checker → · Palette generator →