#4F9FEB#4F9FEB

#4F9FEB is a light, vivid cyan. Relative luminance 0.325; OKLCH L 68.6% C 0.137 H 249.5°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#4F9FEB
RGB	rgb(79, 159, 235)
HSL	hsl(209, 80%, 62%)
HSV	hsv(209, 66%, 92%)
CMYK	cmyk(66.4%, 32.3%, 0%, 7.8%)
CIE-LAB	lab(63.72, -0.87, -45.43)
CIE-LCH	lch(63.72, 45.44, 268.90°)
OKLab	oklab(68.59% -0.0482 -0.1286)
OKLCH	oklch(68.59% 0.137 249.5)
XYZ	xyz(30.6124, 32.4535, 83.2320)
Luminance	0.3246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F9FEB #EB9B4F

analogous

#4FEBE9 #4F9FEB #4F51EB

triadic

#4F9FEB #EB4F9F #9FEB4F

tetradic

#4F9FEB #E94FEB #EB9B4F #51EB4F

square

#4F9FEB #E94FEB #EB9B4F #51EB4F

split-complementary

#4F9FEB #EB4F51 #EBE94F

monochromatic

#1462AC #1A81E3 #4F9FEB #86BDF1 #BDDBF7

Accessibility & contrast

On white

2.80

#4F9FEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#4F9FEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F9FEB

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F9FEB	#FFFFFF	#000000	##000000
##4F9FEB	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7DA3EE

Deuteranopia (green-blind)

#6894EA

Tritanopia (blue-blind)

#00B1BA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #4f9feb;
/* rgb */ color: rgb(79, 159, 235);
/* oklch */ color: oklch(68.6% 0.137 249.5);

Tailwind

colors: {
  custom: {
    50: '#90bbf2',
    500: '#4f9feb',
    950: '#000000',
  },
}

SCSS

$custom: #4f9feb;
$custom-light: #90bbf2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f9feb",
  "rgb": {
    "r": 79,
    "g": 159,
    "b": 235
  },
  "hsl": {
    "h": 209.231,
    "s": 79.592,
    "l": 61.569
  },
  "oklch": {
    "l": 0.68587,
    "c": 0.13738,
    "h": 249.5
  },
  "luminance": 0.32457
}

Semantic roles & 50–950 ramp

primary

#4F9FEB

secondary

#E8CAAE

accent

#700ADC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #4F9FEB

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

Preview Lab → · Contrast checker → · Palette generator →