#4BB5DB#4BB5DB

#4BB5DB is a light, moderate cyan. Relative luminance 0.397; OKLCH L 72.7% C 0.111 H 225.2°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#4BB5DB
RGB	rgb(75, 181, 219)
HSL	hsl(196, 67%, 58%)
HSV	hsv(196, 66%, 86%)
CMYK	cmyk(65.8%, 17.4%, 0%, 14.1%)
CIE-LAB	lab(69.22, -18.76, -28.08)
CIE-LCH	lch(69.22, 33.77, 236.26°)
OKLab	oklab(72.69% -0.0779 -0.0784)
OKLCH	oklch(72.69% 0.111 225.2)
XYZ	xyz(32.2066, 39.6546, 72.9609)
Luminance	0.3966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BB5DB #DB714B

analogous

#4BDBB9 #4BB5DB #4B6DDB

triadic

#4BB5DB #DB4BB5 #B5DB4B

tetradic

#4BB5DB #B94BDB #DB714B #6DDB4B

square

#4BB5DB #B94BDB #DB714B #6DDB4B

split-complementary

#4BB5DB #DB4B6D #DBB94B

monochromatic

#1D718F #2799C2 #4BB5DB #7ECAE5 #B1DFEF

Accessibility & contrast

On white

2.35

#4BB5DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#4BB5DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BB5DB

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BB5DB	#FFFFFF	#000000	##000000
##4BB5DB	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B1DD

Deuteranopia (green-blind)

#8CA3DB

Tritanopia (blue-blind)

#00C0C1

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #4bb5db;
/* rgb */ color: rgb(75, 181, 219);
/* oklch */ color: oklch(72.7% 0.111 225.2);

Tailwind

colors: {
  custom: {
    50: '#8dcbe6',
    500: '#4bb5db',
    950: '#000000',
  },
}

SCSS

$custom: #4bb5db;
$custom-light: #8dcbe6;
$custom-dark: #000000;

JSON

{
  "hex": "#4bb5db",
  "rgb": {
    "r": 75,
    "g": 181,
    "b": 219
  },
  "hsl": {
    "h": 195.833,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.72695,
    "c": 0.11053,
    "h": 225.2
  },
  "luminance": 0.39658
}

Semantic roles & 50–950 ramp

primary

#4BB5DB

secondary

#DEB3A4

accent

#6B3EEA

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4BB5DB

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

Preview Lab → · Contrast checker → · Palette generator →