#4DB9DD#4DB9DD

#4DB9DD is a light, moderate cyan. Relative luminance 0.415; OKLCH L 73.8% C 0.110 H 223.4°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#4DB9DD
RGB	rgb(77, 185, 221)
HSL	hsl(195, 68%, 58%)
HSV	hsv(195, 65%, 87%)
CMYK	cmyk(65.2%, 16.3%, 0%, 13.3%)
CIE-LAB	lab(70.52, -19.90, -27.17)
CIE-LCH	lch(70.52, 33.68, 233.79°)
OKLab	oklab(73.77% -0.0801 -0.0758)
OKLCH	oklch(73.77% 0.11 223.4)
XYZ	xyz(33.4554, 41.4926, 74.6383)
Luminance	0.4150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DB9DD #DD714D

analogous

#4DDDB9 #4DB9DD #4D71DD

triadic

#4DB9DD #DD4DB9 #B9DD4D

tetradic

#4DB9DD #B94DDD #DD714D #71DD4D

square

#4DB9DD #B94DDD #DD714D #71DD4D

split-complementary

#4DB9DD #DD4D71 #DDB94D

monochromatic

#1C7693 #269FC7 #4DB9DD #80CDE7 #B4E1F1

Accessibility & contrast

On white

2.26

#4DB9DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#4DB9DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DB9DD

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DB9DD	#FFFFFF	#000000	##000000
##4DB9DD	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B5DF

Deuteranopia (green-blind)

#90A6DD

Tritanopia (blue-blind)

#00C4C5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #4db9dd;
/* rgb */ color: rgb(77, 185, 221);
/* oklch */ color: oklch(73.8% 0.110 223.4);

Tailwind

colors: {
  custom: {
    50: '#8ecee7',
    500: '#4db9dd',
    950: '#000000',
  },
}

SCSS

$custom: #4db9dd;
$custom-light: #8ecee7;
$custom-dark: #000000;

JSON

{
  "hex": "#4db9dd",
  "rgb": {
    "r": 77,
    "g": 185,
    "b": 221
  },
  "hsl": {
    "h": 195,
    "s": 67.925,
    "l": 58.431
  },
  "oklch": {
    "l": 0.73774,
    "c": 0.11028,
    "h": 223.4
  },
  "luminance": 0.41496
}

Semantic roles & 50–950 ramp

primary

#4DB9DD

secondary

#DFB5A6

accent

#683DEB

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4DB9DD

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

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