#4F9EF9#4F9EF9

#4F9EF9 is a light, vivid cyan. Relative luminance 0.330; OKLCH L 69.1% C 0.155 H 253.7°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#4F9EF9
RGB	rgb(79, 158, 249)
HSL	hsl(212, 93%, 64%)
HSV	hsv(212, 68%, 98%)
CMYK	cmyk(68.3%, 36.5%, 0%, 2.4%)
CIE-LAB	lab(64.12, 4.44, -52.46)
CIE-LCH	lch(64.12, 52.65, 274.84°)
OKLab	oklab(69.13% -0.0437 -0.1492)
OKLCH	oklch(69.13% 0.155 253.7)
XYZ	xyz(32.5439, 32.9521, 94.2494)
Luminance	0.3296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F9EF9 #F9AA4F

analogous

#4FF3F9 #4F9EF9 #554FF9

triadic

#4F9EF9 #F94F9E #9EF94F

tetradic

#4F9EF9 #F94FF3 #F9AA4F #4FF955

square

#4F9EF9 #F94FF3 #F9AA4F #4FF955

split-complementary

#4F9EF9 #F9554F #F3F94F

monochromatic

#0760C7 #147DF7 #4F9EF9 #8ABFFB #C5DFFD

Accessibility & contrast

On white

2.77

#4F9EF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#4F9EF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F9EF9

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F9EF9	#FFFFFF	#000000	##000000
##4F9EF9	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A4FD

Deuteranopia (green-blind)

#5C94F7

Tritanopia (blue-blind)

#00B3C0

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #4f9ef9;
/* rgb */ color: rgb(79, 158, 249);
/* oklch */ color: oklch(69.1% 0.155 253.7);

Tailwind

colors: {
  custom: {
    50: '#92bafc',
    500: '#4f9ef9',
    950: '#000000',
  },
}

SCSS

$custom: #4f9ef9;
$custom-light: #92bafc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f9ef9",
  "rgb": {
    "r": 79,
    "g": 158,
    "b": 249
  },
  "hsl": {
    "h": 212.118,
    "s": 93.407,
    "l": 64.314
  },
  "oklch": {
    "l": 0.69129,
    "c": 0.15547,
    "h": 253.7
  },
  "luminance": 0.32956
}

Semantic roles & 50–950 ramp

primary

#4F9EF9

secondary

#EFD4B4

accent

#7B00E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #4F9EF9

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

Preview Lab → · Contrast checker → · Palette generator →