#4F9FDF#4F9FDF

#4F9FDF is a light, vivid cyan. Relative luminance 0.318; OKLCH L 68.0% C 0.123 H 245.2°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#4F9FDF
RGB	rgb(79, 159, 223)
HSL	hsl(207, 69%, 59%)
HSV	hsv(207, 65%, 87%)
CMYK	cmyk(64.6%, 28.7%, 0%, 12.5%)
CIE-LAB	lab(63.16, -4.86, -39.67)
CIE-LCH	lch(63.16, 39.97, 263.02°)
OKLab	oklab(67.97% -0.0517 -0.1119)
OKLCH	oklch(67.97% 0.123 245.2)
XYZ	xyz(28.9369, 31.7833, 74.4075)
Luminance	0.3179 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F9FDF #DF8F4F

analogous

#4FDFD7 #4F9FDF #4F57DF

triadic

#4F9FDF #DF4F9F #9FDF4F

tetradic

#4F9FDF #D74FDF #DF8F4F #57DF4F

square

#4F9FDF #D74FDF #DF8F4F #57DF4F

split-complementary

#4F9FDF #DF4F57 #DFD74F

monochromatic

#1C6198 #2582CC #4F9FDF #83BBE8 #B7D7F2

Accessibility & contrast

On white

2.85

#4F9FDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#4F9FDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F9FDF

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F9FDF	#FFFFFF	#000000	##000000
##4F9FDF	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A1E2

Deuteranopia (green-blind)

#6F93DE

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #4f9fdf;
/* rgb */ color: rgb(79, 159, 223);
/* oklch */ color: oklch(68.0% 0.123 245.2);

Tailwind

colors: {
  custom: {
    50: '#8ebbe9',
    500: '#4f9fdf',
    950: '#000000',
  },
}

SCSS

$custom: #4f9fdf;
$custom-light: #8ebbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f9fdf",
  "rgb": {
    "r": 79,
    "g": 159,
    "b": 223
  },
  "hsl": {
    "h": 206.667,
    "s": 69.231,
    "l": 59.216
  },
  "oklch": {
    "l": 0.67971,
    "c": 0.12326,
    "h": 245.2
  },
  "luminance": 0.31786
}

Semantic roles & 50–950 ramp

primary

#4F9FDF

secondary

#E1C2A9

accent

#8A3CEC

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4F9FDF

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

Preview Lab → · Contrast checker → · Palette generator →