#4DB5DF#4DB5DF

#4DB5DF is a light, moderate cyan. Relative luminance 0.400; OKLCH L 72.9% C 0.113 H 228.0°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#4DB5DF
RGB	rgb(77, 181, 223)
HSL	hsl(197, 70%, 59%)
HSV	hsv(197, 65%, 87%)
CMYK	cmyk(65.5%, 18.8%, 0%, 12.5%)
CIE-LAB	lab(69.43, -17.19, -29.94)
CIE-LCH	lch(69.43, 34.52, 240.14°)
OKLab	oklab(72.93% -0.0753 -0.0837)
OKLCH	oklch(72.93% 0.113 228)
XYZ	xyz(32.8984, 39.9497, 75.7750)
Luminance	0.3995 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DB5DF #DF774D

analogous

#4DDFC0 #4DB5DF #4D6CDF

triadic

#4DB5DF #DF4DB5 #B5DF4D

tetradic

#4DB5DF #C04DDF #DF774D #6CDF4D

square

#4DB5DF #C04DDF #DF774D #6CDF4D

split-complementary

#4DB5DF #DF4D6C #DFC04D

monochromatic

#1B7397 #249BCA #4DB5DF #81CBE8 #B5E0F2

Accessibility & contrast

On white

2.34

#4DB5DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.99

#4DB5DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DB5DF

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DB5DF	#FFFFFF	#000000	##000000
##4DB5DF	1.00	2.34	8.99	8.99
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.99	21.00	1.00	1.00
##000000	8.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB2E1

Deuteranopia (green-blind)

#8BA3DE

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4db5df;
/* rgb */ color: rgb(77, 181, 223);
/* oklch */ color: oklch(72.9% 0.113 228.0);

Tailwind

colors: {
  custom: {
    50: '#8ecbe9',
    500: '#4db5df',
    950: '#000000',
  },
}

SCSS

$custom: #4db5df;
$custom-light: #8ecbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#4db5df",
  "rgb": {
    "r": 77,
    "g": 181,
    "b": 223
  },
  "hsl": {
    "h": 197.26,
    "s": 69.524,
    "l": 58.824
  },
  "oklch": {
    "l": 0.72931,
    "c": 0.1126,
    "h": 228
  },
  "luminance": 0.39953
}

Semantic roles & 50–950 ramp

primary

#4DB5DF

secondary

#E1B8A7

accent

#6E3BEC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4DB5DF

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

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