#4B9CDB#4B9CDB

#4B9CDB is a light, vivid cyan. Relative luminance 0.304; OKLCH L 66.9% C 0.123 H 244.7°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#4B9CDB
RGB	rgb(75, 156, 219)
HSL	hsl(206, 67%, 58%)
HSV	hsv(206, 66%, 86%)
CMYK	cmyk(65.8%, 28.8%, 0%, 14.1%)
CIE-LAB	lab(61.98, -5.15, -39.31)
CIE-LCH	lch(61.98, 39.65, 262.53°)
OKLab	oklab(66.94% -0.0525 -0.1109)
OKLCH	oklch(66.94% 0.123 244.7)
XYZ	xyz(27.5715, 30.3844, 71.4158)
Luminance	0.3039 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B9CDB #DB8A4B

analogous

#4BDBD2 #4B9CDB #4B54DB

triadic

#4B9CDB #DB4B9C #9CDB4B

tetradic

#4B9CDB #D24BDB #DB8A4B #54DB4B

square

#4B9CDB #D24BDB #DB8A4B #54DB4B

split-complementary

#4B9CDB #DB4B54 #DBD24B

monochromatic

#1D5D8F #277EC2 #4B9CDB #7EB8E5 #B1D4EF

Accessibility & contrast

On white

2.97

#4B9CDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#4B9CDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4B9CDB

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B9CDB	#FFFFFF	#000000	##000000
##4B9CDB	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809EDE

Deuteranopia (green-blind)

#6C90DA

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #4b9cdb;
/* rgb */ color: rgb(75, 156, 219);
/* oklch */ color: oklch(66.9% 0.123 244.7);

Tailwind

colors: {
  custom: {
    50: '#8bb9e6',
    500: '#4b9cdb',
    950: '#000000',
  },
}

SCSS

$custom: #4b9cdb;
$custom-light: #8bb9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b9cdb",
  "rgb": {
    "r": 75,
    "g": 156,
    "b": 219
  },
  "hsl": {
    "h": 206.25,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.66942,
    "c": 0.12274,
    "h": 244.7
  },
  "luminance": 0.30387
}

Semantic roles & 50–950 ramp

primary

#4B9CDB

secondary

#DEBDA4

accent

#893EEA

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4B9CDB

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

Preview Lab → · Contrast checker → · Palette generator →