#4F9FDB#4F9FDB

#4F9FDB is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.8% C 0.119 H 243.5°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#4F9FDB
RGB	rgb(79, 159, 219)
HSL	hsl(206, 66%, 58%)
HSV	hsv(206, 64%, 86%)
CMYK	cmyk(63.9%, 27.4%, 0%, 14.1%)
CIE-LAB	lab(62.99, -6.17, -37.74)
CIE-LCH	lch(62.99, 38.24, 260.71°)
OKLab	oklab(67.77% -0.0529 -0.1063)
OKLCH	oklch(67.77% 0.119 243.5)
XYZ	xyz(28.4040, 31.5702, 71.6008)
Luminance	0.3157 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F9FDB #DB8B4F

analogous

#4FDBD1 #4F9FDB #4F59DB

triadic

#4F9FDB #DB4F9F #9FDB4F

tetradic

#4F9FDB #D14FDB #DB8B4F #59DB4F

square

#4F9FDB #D14FDB #DB8B4F #59DB4F

split-complementary

#4F9FDB #DB4F59 #DBD14F

monochromatic

#1E6092 #2882C5 #4F9FDB #82BBE5 #B5D6F0

Accessibility & contrast

On white

2.87

#4F9FDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#4F9FDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F9FDB

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F9FDB	#FFFFFF	#000000	##000000
##4F9FDB	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A0DE

Deuteranopia (green-blind)

#7192DA

Tritanopia (blue-blind)

#00AEB4

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #4f9fdb;
/* rgb */ color: rgb(79, 159, 219);
/* oklch */ color: oklch(67.8% 0.119 243.5);

Tailwind

colors: {
  custom: {
    50: '#8dbbe6',
    500: '#4f9fdb',
    950: '#000000',
  },
}

SCSS

$custom: #4f9fdb;
$custom-light: #8dbbe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f9fdb",
  "rgb": {
    "r": 79,
    "g": 159,
    "b": 219
  },
  "hsl": {
    "h": 205.714,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.67772,
    "c": 0.11874,
    "h": 243.5
  },
  "luminance": 0.31573
}

Semantic roles & 50–950 ramp

primary

#4F9FDB

secondary

#DFBFA7

accent

#883FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4F9FDB

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

Preview Lab → · Contrast checker → · Palette generator →