#4F9CDB#4F9CDB

#4F9CDB is a light, vivid cyan. Relative luminance 0.306; OKLCH L 67.1% C 0.121 H 245.7°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#4F9CDB
RGB	rgb(79, 156, 219)
HSL	hsl(207, 66%, 58%)
HSV	hsv(207, 64%, 86%)
CMYK	cmyk(63.9%, 28.8%, 0%, 14.1%)
CIE-LAB	lab(62.13, -4.48, -39.08)
CIE-LCH	lch(62.13, 39.34, 263.46°)
OKLab	oklab(67.09% -0.0498 -0.1102)
OKLCH	oklch(67.09% 0.121 245.7)
XYZ	xyz(27.8943, 30.5509, 71.4310)
Luminance	0.3055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F9CDB #DB8E4F

analogous

#4FDBD4 #4F9CDB #4F56DB

triadic

#4F9CDB #DB4F9C #9CDB4F

tetradic

#4F9CDB #D44FDB #DB8E4F #56DB4F

square

#4F9CDB #D44FDB #DB8E4F #56DB4F

split-complementary

#4F9CDB #DB4F56 #DBD44F

monochromatic

#1E5E92 #287EC5 #4F9CDB #82B9E5 #B5D5F0

Accessibility & contrast

On white

2.95

#4F9CDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#4F9CDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4F9CDB

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F9CDB	#FFFFFF	#000000	##000000
##4F9CDB	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809EDE

Deuteranopia (green-blind)

#6D90DA

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #4f9cdb;
/* rgb */ color: rgb(79, 156, 219);
/* oklch */ color: oklch(67.1% 0.121 245.7);

Tailwind

colors: {
  custom: {
    50: '#8db9e6',
    500: '#4f9cdb',
    950: '#000000',
  },
}

SCSS

$custom: #4f9cdb;
$custom-light: #8db9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4f9cdb",
  "rgb": {
    "r": 79,
    "g": 156,
    "b": 219
  },
  "hsl": {
    "h": 207,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.67094,
    "c": 0.12096,
    "h": 245.7
  },
  "luminance": 0.30554
}

Semantic roles & 50–950 ramp

primary

#4F9CDB

secondary

#DFC0A7

accent

#8B3FE9

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4F9CDB

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

Preview Lab → · Contrast checker → · Palette generator →