#4F9FE9#4F9FE9

#4F9FE9 is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.5% C 0.135 H 248.8°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#4F9FE9
RGB	rgb(79, 159, 233)
HSL	hsl(209, 78%, 61%)
HSV	hsv(209, 66%, 91%)
CMYK	cmyk(66.1%, 31.8%, 0%, 8.6%)
CIE-LAB	lab(63.62, -1.54, -44.48)
CIE-LCH	lch(63.62, 44.50, 268.02°)
OKLab	oklab(68.48% -0.0488 -0.1259)
OKLCH	oklch(68.48% 0.135 248.8)
XYZ	xyz(30.3251, 32.3386, 81.7188)
Luminance	0.3234 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F9FE9 #E9994F

analogous

#4FE9E6 #4F9FE9 #4F52E9

triadic

#4F9FE9 #E94F9F #9FE94F

tetradic

#4F9FE9 #E64FE9 #E9994F #52E94F

square

#4F9FE9 #E64FE9 #E9994F #52E94F

split-complementary

#4F9FE9 #E94F52 #E9E64F

monochromatic

#1562A9 #1C81DF #4F9FE9 #85BDF0 #BCDAF7

Accessibility & contrast

On white

2.81

#4F9FE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.47

#4F9FE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F9FE9

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F9FE9	#FFFFFF	#000000	##000000
##4F9FE9	1.00	2.81	7.47	7.47
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.47	21.00	1.00	1.00
##000000	7.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA2EC

Deuteranopia (green-blind)

#6993E8

Tritanopia (blue-blind)

#00B0B9

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #4f9fe9;
/* rgb */ color: rgb(79, 159, 233);
/* oklch */ color: oklch(68.5% 0.135 248.8);

Tailwind

colors: {
  custom: {
    50: '#8fbbf0',
    500: '#4f9fe9',
    950: '#000000',
  },
}

SCSS

$custom: #4f9fe9;
$custom-light: #8fbbf0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f9fe9",
  "rgb": {
    "r": 79,
    "g": 159,
    "b": 233
  },
  "hsl": {
    "h": 208.831,
    "s": 77.778,
    "l": 61.176
  },
  "oklch": {
    "l": 0.68482,
    "c": 0.13499,
    "h": 248.8
  },
  "luminance": 0.32342
}

Semantic roles & 50–950 ramp

primary

#4F9FE9

secondary

#E7C9AD

accent

#6F0BDA

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #4F9FE9

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

Preview Lab → · Contrast checker → · Palette generator →