#4F8CDB#4F8CDB

#4F8CDB is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.5% C 0.135 H 255.7°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#4F8CDB
RGB	rgb(79, 140, 219)
HSL	hsl(214, 66%, 58%)
HSV	hsv(214, 64%, 86%)
CMYK	cmyk(63.9%, 36.1%, 0%, 14.1%)
CIE-LAB	lab(57.59, 4.80, -46.22)
CIE-LCH	lch(57.59, 46.47, 275.93°)
OKLab	oklab(63.53% -0.0335 -0.1312)
OKLCH	oklch(63.53% 0.135 255.7)
XYZ	xyz(25.3841, 25.5305, 70.5942)
Luminance	0.2553 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F8CDB #DB9E4F

analogous

#4FD2DB #4F8CDB #584FDB

triadic

#4F8CDB #DB4F8C #8CDB4F

tetradic

#4F8CDB #DB4FD2 #DB9E4F #4FDB58

square

#4F8CDB #DB4FD2 #DB9E4F #4FDB58

split-complementary

#4F8CDB #DB584F #D2DB4F

monochromatic

#1E5092 #286CC5 #4F8CDB #82ADE5 #B5CEF0

Accessibility & contrast

On white

3.44

#4F8CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.11

#4F8CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F8CDB

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F8CDB	#FFFFFF	#000000	##000000
##4F8CDB	1.00	3.44	6.11	6.11
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.11	21.00	1.00	1.00
##000000	6.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A92DE

Deuteranopia (green-blind)

#5684D9

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #4f8cdb;
/* rgb */ color: rgb(79, 140, 219);
/* oklch */ color: oklch(63.5% 0.135 255.7);

Tailwind

colors: {
  custom: {
    50: '#8dade6',
    500: '#4f8cdb',
    950: '#000000',
  },
}

SCSS

$custom: #4f8cdb;
$custom-light: #8dade6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f8cdb",
  "rgb": {
    "r": 79,
    "g": 140,
    "b": 219
  },
  "hsl": {
    "h": 213.857,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.63534,
    "c": 0.13539,
    "h": 255.7
  },
  "luminance": 0.25533
}

Semantic roles & 50–950 ramp

primary

#4F8CDB

secondary

#DFC6A7

accent

#9F3FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4F8CDB

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

Preview Lab → · Contrast checker → · Palette generator →