#4DC9E5#4DC9E5

#4DC9E5 is a light, moderate cyan. Relative luminance 0.490; OKLCH L 77.8% C 0.115 H 215.6°. Best body text is #000000 at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#4DC9E5
RGB	rgb(77, 201, 229)
HSL	hsl(191, 75%, 60%)
HSV	hsv(191, 66%, 90%)
CMYK	cmyk(66.4%, 12.2%, 0%, 10.2%)
CIE-LAB	lab(75.45, -25.58, -23.96)
CIE-LCH	lch(75.45, 35.05, 223.12°)
OKLab	oklab(77.83% -0.0931 -0.0667)
OKLCH	oklch(77.83% 0.115 215.6)
XYZ	xyz(38.0842, 49.0040, 81.5651)
Luminance	0.4901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DC9E5 #E5694D

analogous

#4DE5B5 #4DC9E5 #4D7DE5

triadic

#4DC9E5 #E54DC9 #C9E54D

tetradic

#4DC9E5 #B54DE5 #E5694D #7DE54D

square

#4DC9E5 #B54DE5 #E5694D #7DE54D

split-complementary

#4DC9E5 #E54D7D #E5B54D

monochromatic

#1787A0 #1FB4D6 #4DC9E5 #82D9ED #B8E9F5

Accessibility & contrast

On white

1.94

#4DC9E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.80

#4DC9E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DC9E5

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DC9E5	#FFFFFF	#000000	##000000
##4DC9E5	1.00	1.94	10.80	10.80
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.80	21.00	1.00	1.00
##000000	10.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C3E7

Deuteranopia (green-blind)

#A0B3E5

Tritanopia (blue-blind)

#00D3D2

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #4dc9e5;
/* rgb */ color: rgb(77, 201, 229);
/* oklch */ color: oklch(77.8% 0.115 215.6);

Tailwind

colors: {
  custom: {
    50: '#90d9ed',
    500: '#4dc9e5',
    950: '#000000',
  },
}

SCSS

$custom: #4dc9e5;
$custom-light: #90d9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4dc9e5",
  "rgb": {
    "r": 77,
    "g": 201,
    "b": 229
  },
  "hsl": {
    "h": 191.053,
    "s": 74.51,
    "l": 60
  },
  "oklch": {
    "l": 0.77826,
    "c": 0.11456,
    "h": 215.6
  },
  "luminance": 0.49008
}

Semantic roles & 50–950 ramp

primary

#4DC9E5

secondary

#E4B4AA

accent

#5937F1

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #4DC9E5

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

Preview Lab → · Contrast checker → · Palette generator →