#4BB9D3#4BB9D3

#4BB9D3 is a light, moderate cyan. Relative luminance 0.409; OKLCH L 73.3% C 0.105 H 216.2°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#4BB9D3
RGB	rgb(75, 185, 211)
HSL	hsl(191, 61%, 56%)
HSV	hsv(191, 64%, 83%)
CMYK	cmyk(64.5%, 12.3%, 0%, 17.3%)
CIE-LAB	lab(70.10, -23.28, -22.35)
CIE-LCH	lch(70.10, 32.27, 223.84°)
OKLab	oklab(73.3% -0.085 -0.0622)
OKLCH	oklch(73.3% 0.105 216.2)
XYZ	xyz(32.0036, 40.8935, 67.8220)
Luminance	0.4090 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB9D3 #D3654B

analogous

#4BD3A9 #4BB9D3 #4B75D3

triadic

#4BB9D3 #D34BB9 #B9D34B

tetradic

#4BB9D3 #A94BD3 #D3654B #75D34B

square

#4BB9D3 #A94BD3 #D3654B #75D34B

split-complementary

#4BB9D3 #D34B75 #D3A94B

monochromatic

#207083 #2C9BB5 #4BB9D3 #7CCCDF #ADDFEB

Accessibility & contrast

On white

2.29

#4BB9D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#4BB9D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB9D3

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB9D3	#FFFFFF	#000000	##000000
##4BB9D3	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B4D4

Deuteranopia (green-blind)

#94A5D3

Tritanopia (blue-blind)

#00C2C1

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #4bb9d3;
/* rgb */ color: rgb(75, 185, 211);
/* oklch */ color: oklch(73.3% 0.105 216.2);

Tailwind

colors: {
  custom: {
    50: '#8ccee0',
    500: '#4bb9d3',
    950: '#000000',
  },
}

SCSS

$custom: #4bb9d3;
$custom-light: #8ccee0;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb9d3",
  "rgb": {
    "r": 75,
    "g": 185,
    "b": 211
  },
  "hsl": {
    "h": 191.471,
    "s": 60.714,
    "l": 56.078
  },
  "oklch": {
    "l": 0.73303,
    "c": 0.10531,
    "h": 216.2
  },
  "luminance": 0.40897
}

Semantic roles & 50–950 ramp

primary

#4BB9D3

secondary

#D9ACA1

accent

#6344E4

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #4BB9D3

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

Preview Lab → · Contrast checker → · Palette generator →