#4DB9DB#4DB9DB

#4DB9DB is a light, moderate cyan. Relative luminance 0.414; OKLCH L 73.7% C 0.109 H 222.1°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#4DB9DB
RGB	rgb(77, 185, 219)
HSL	hsl(194, 66%, 58%)
HSV	hsv(194, 65%, 86%)
CMYK	cmyk(64.8%, 15.5%, 0%, 14.1%)
CIE-LAB	lab(70.45, -20.52, -26.20)
CIE-LCH	lch(70.45, 33.27, 231.93°)
OKLab	oklab(73.69% -0.0808 -0.073)
OKLCH	oklch(73.69% 0.109 222.1)
XYZ	xyz(33.1905, 41.3866, 73.2433)
Luminance	0.4139 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DB9DB #DB6F4D

analogous

#4DDBB6 #4DB9DB #4D72DB

triadic

#4DB9DB #DB4DB9 #B9DB4D

tetradic

#4DB9DB #B64DDB #DB6F4D #72DB4D

square

#4DB9DB #B64DDB #DB6F4D #72DB4D

split-complementary

#4DB9DB #DB4D72 #DBB64D

monochromatic

#1D7590 #279EC3 #4DB9DB #80CDE5 #B3E1F0

Accessibility & contrast

On white

2.26

#4DB9DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#4DB9DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DB9DB

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DB9DB	#FFFFFF	#000000	##000000
##4DB9DB	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B5DD

Deuteranopia (green-blind)

#91A6DB

Tritanopia (blue-blind)

#00C4C4

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #4db9db;
/* rgb */ color: rgb(77, 185, 219);
/* oklch */ color: oklch(73.7% 0.109 222.1);

Tailwind

colors: {
  custom: {
    50: '#8ecee6',
    500: '#4db9db',
    950: '#000000',
  },
}

SCSS

$custom: #4db9db;
$custom-light: #8ecee6;
$custom-dark: #000000;

JSON

{
  "hex": "#4db9db",
  "rgb": {
    "r": 77,
    "g": 185,
    "b": 219
  },
  "hsl": {
    "h": 194.366,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.7369,
    "c": 0.10894,
    "h": 222.1
  },
  "luminance": 0.4139
}

Semantic roles & 50–950 ramp

primary

#4DB9DB

secondary

#DEB3A6

accent

#673FE9

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4DB9DB

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

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