#4FB9F8#4FB9F8

#4FB9F8 is a light, vivid cyan. Relative luminance 0.431; OKLCH L 75.0% C 0.133 H 238.3°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#4FB9F8
RGB	rgb(79, 185, 248)
HSL	hsl(202, 92%, 64%)
HSV	hsv(202, 68%, 97%)
CMYK	cmyk(68.1%, 25.4%, 0%, 2.7%)
CIE-LAB	lab(71.65, -11.03, -40.09)
CIE-LCH	lch(71.65, 41.58, 254.62°)
OKLab	oklab(75.04% -0.0696 -0.1129)
OKLCH	oklch(75.04% 0.133 238.3)
XYZ	xyz(37.5101, 43.1334, 95.1375)
Luminance	0.4314 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB9F8 #F88E4F

analogous

#4FF8E3 #4FB9F8 #4F65F8

triadic

#4FB9F8 #F84FB9 #B9F84F

tetradic

#4FB9F8 #E34FF8 #F88E4F #65F84F

square

#4FB9F8 #E34FF8 #F88E4F #65F84F

split-complementary

#4FB9F8 #F84F65 #F8E34F

monochromatic

#087EC5 #14A2F6 #4FB9F8 #8AD0FA #C5E8FD

Accessibility & contrast

On white

2.18

#4FB9F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.63

#4FB9F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB9F8

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB9F8	#FFFFFF	#000000	##000000
##4FB9F8	1.00	2.18	9.63	9.63
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.63	21.00	1.00	1.00
##000000	9.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB9FB

Deuteranopia (green-blind)

#84A8F7

Tritanopia (blue-blind)

#00C9CF

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #4fb9f8;
/* rgb */ color: rgb(79, 185, 248);
/* oklch */ color: oklch(75.0% 0.133 238.3);

Tailwind

colors: {
  custom: {
    50: '#92cdfa',
    500: '#4fb9f8',
    950: '#000000',
  },
}

SCSS

$custom: #4fb9f8;
$custom-light: #92cdfa;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb9f8",
  "rgb": {
    "r": 79,
    "g": 185,
    "b": 248
  },
  "hsl": {
    "h": 202.367,
    "s": 92.35,
    "l": 64.118
  },
  "oklch": {
    "l": 0.7504,
    "c": 0.13263,
    "h": 238.3
  },
  "luminance": 0.43137
}

Semantic roles & 50–950 ramp

primary

#4FB9F8

secondary

#EFCAB4

accent

#5600E6

background

#F9FCFF

surface

#F2F9FF

border

#CCD2D7

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #4FB9F8

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

Preview Lab → · Contrast checker → · Palette generator →