#4F9DDB#4F9DDB

#4F9DDB is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.3% C 0.120 H 245.0°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#4F9DDB
RGB	rgb(79, 157, 219)
HSL	hsl(207, 66%, 58%)
HSV	hsv(207, 64%, 86%)
CMYK	cmyk(63.9%, 28.3%, 0%, 14.1%)
CIE-LAB	lab(62.41, -5.05, -38.63)
CIE-LCH	lch(62.41, 38.96, 262.56°)
OKLab	oklab(67.32% -0.0508 -0.1089)
OKLCH	oklch(67.32% 0.12 245)
XYZ	xyz(28.0628, 30.8879, 71.4871)
Luminance	0.3089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F9DDB #DB8D4F

analogous

#4FDBD3 #4F9DDB #4F57DB

triadic

#4F9DDB #DB4F9D #9DDB4F

tetradic

#4F9DDB #D34FDB #DB8D4F #57DB4F

square

#4F9DDB #D34FDB #DB8D4F #57DB4F

split-complementary

#4F9DDB #DB4F57 #DBD34F

monochromatic

#1E5E92 #287FC5 #4F9DDB #82B9E5 #B5D6F0

Accessibility & contrast

On white

2.93

#4F9DDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.18

#4F9DDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F9DDB

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F9DDB	#FFFFFF	#000000	##000000
##4F9DDB	1.00	2.93	7.18	7.18
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.18	21.00	1.00	1.00
##000000	7.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829FDE

Deuteranopia (green-blind)

#6E91DA

Tritanopia (blue-blind)

#00ACB3

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #4f9ddb;
/* rgb */ color: rgb(79, 157, 219);
/* oklch */ color: oklch(67.3% 0.120 245.0);

Tailwind

colors: {
  custom: {
    50: '#8db9e6',
    500: '#4f9ddb',
    950: '#000000',
  },
}

SCSS

$custom: #4f9ddb;
$custom-light: #8db9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f9ddb",
  "rgb": {
    "r": 79,
    "g": 157,
    "b": 219
  },
  "hsl": {
    "h": 206.571,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.6732,
    "c": 0.12019,
    "h": 245
  },
  "luminance": 0.30891
}

Semantic roles & 50–950 ramp

primary

#4F9DDB

secondary

#DFC0A7

accent

#8A3FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4F9DDB

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

Preview Lab → · Contrast checker → · Palette generator →