#4B9CD9#4B9CD9

#4B9CD9 is a light, vivid cyan. Relative luminance 0.303; OKLCH L 66.8% C 0.120 H 243.8°. Best body text is #000000 at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#4B9CD9
RGB	rgb(75, 156, 217)
HSL	hsl(206, 65%, 57%)
HSV	hsv(206, 65%, 85%)
CMYK	cmyk(65.4%, 28.1%, 0%, 14.9%)
CIE-LAB	lab(61.89, -5.82, -38.34)
CIE-LCH	lch(61.89, 38.78, 261.37°)
OKLab	oklab(66.84% -0.0531 -0.1081)
OKLCH	oklch(66.84% 0.12 243.8)
XYZ	xyz(27.3098, 30.2797, 70.0375)
Luminance	0.3028 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B9CD9 #D9884B

analogous

#4BD9CF #4B9CD9 #4B55D9

triadic

#4B9CD9 #D94B9C #9CD94B

tetradic

#4B9CD9 #CF4BD9 #D9884B #55D94B

square

#4B9CD9 #CF4BD9 #D9884B #55D94B

split-complementary

#4B9CD9 #D94B55 #D9CF4B

monochromatic

#1E5D8C #287EBF #4B9CD9 #7EB8E4 #B0D4EE

Accessibility & contrast

On white

2.98

#4B9CD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.06

#4B9CD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4B9CD9

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B9CD9	#FFFFFF	#000000	##000000
##4B9CD9	1.00	2.98	7.06	7.06
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.06	21.00	1.00	1.00
##000000	7.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819DDC

Deuteranopia (green-blind)

#6D8FD8

Tritanopia (blue-blind)

#00ABB1

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #4b9cd9;
/* rgb */ color: rgb(75, 156, 217);
/* oklch */ color: oklch(66.8% 0.120 243.8);

Tailwind

colors: {
  custom: {
    50: '#8bb9e5',
    500: '#4b9cd9',
    950: '#000000',
  },
}

SCSS

$custom: #4b9cd9;
$custom-light: #8bb9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b9cd9",
  "rgb": {
    "r": 75,
    "g": 156,
    "b": 217
  },
  "hsl": {
    "h": 205.775,
    "s": 65.138,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66842,
    "c": 0.12047,
    "h": 243.8
  },
  "luminance": 0.30283
}

Semantic roles & 50–950 ramp

primary

#4B9CD9

secondary

#DDBCA3

accent

#8840E8

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1115

muted

#7E8084

Preview Lab

Preview with #4B9CD9

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

Preview Lab → · Contrast checker → · Palette generator →