#4FA9F5#4FA9F5

#4FA9F5 is a light, vivid cyan. Relative luminance 0.366; OKLCH L 71.3% C 0.141 H 246.9°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#4FA9F5
RGB	rgb(79, 169, 245)
HSL	hsl(207, 89%, 64%)
HSV	hsv(207, 68%, 96%)
CMYK	cmyk(67.8%, 31%, 0%, 3.9%)
CIE-LAB	lab(67.00, -3.20, -45.74)
CIE-LCH	lch(67.00, 45.85, 266.00°)
OKLab	oklab(71.32% -0.0551 -0.1294)
OKLCH	oklch(71.32% 0.141 246.9)
XYZ	xyz(33.8876, 36.6272, 91.6523)
Luminance	0.3663 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA9F5 #F59B4F

analogous

#4FF5EE #4FA9F5 #4F56F5

triadic

#4FA9F5 #F54FA9 #A9F54F

tetradic

#4FA9F5 #EE4FF5 #F59B4F #56F54F

square

#4FA9F5 #EE4FF5 #F59B4F #56F54F

split-complementary

#4FA9F5 #F54F56 #F5EE4F

monochromatic

#0B6CBF #158DF2 #4FA9F5 #89C5F8 #C3E2FC

Accessibility & contrast

On white

2.52

#4FA9F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#4FA9F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FA9F5

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA9F5	#FFFFFF	#000000	##000000
##4FA9F5	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87ACF8

Deuteranopia (green-blind)

#709CF4

Tritanopia (blue-blind)

#00BBC4

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #4fa9f5;
/* rgb */ color: rgb(79, 169, 245);
/* oklch */ color: oklch(71.3% 0.141 246.9);

Tailwind

colors: {
  custom: {
    50: '#91c2f9',
    500: '#4fa9f5',
    950: '#000000',
  },
}

SCSS

$custom: #4fa9f5;
$custom-light: #91c2f9;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa9f5",
  "rgb": {
    "r": 79,
    "g": 169,
    "b": 245
  },
  "hsl": {
    "h": 207.47,
    "s": 89.247,
    "l": 63.529
  },
  "oklch": {
    "l": 0.71321,
    "c": 0.1407,
    "h": 246.9
  },
  "luminance": 0.36631
}

Semantic roles & 50–950 ramp

primary

#4FA9F5

secondary

#EDCDB2

accent

#6900E6

background

#F9FBFF

surface

#F2F7FF

border

#CCD0D7

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #4FA9F5

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

Preview Lab → · Contrast checker → · Palette generator →