#3DB9D4#3DB9D4

#3DB9D4 is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.0% C 0.112 H 215.5°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#3DB9D4
RGB	rgb(61, 185, 212)
HSL	hsl(191, 64%, 54%)
HSV	hsv(191, 71%, 83%)
CMYK	cmyk(71.2%, 12.7%, 0%, 16.9%)
CIE-LAB	lab(69.78, -25.01, -23.42)
CIE-LCH	lch(69.78, 34.27, 223.12°)
OKLab	oklab(72.96% -0.0916 -0.0653)
OKLCH	oklch(72.96% 0.112 215.5)
XYZ	xyz(31.1521, 40.4399, 68.4384)
Luminance	0.4044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3DB9D4 #D4583D

analogous

#3DD4A3 #3DB9D4 #3D6DD4

triadic

#3DB9D4 #D43DB9 #B9D43D

tetradic

#3DB9D4 #A33DD4 #D4583D #6DD43D

square

#3DB9D4 #A33DD4 #D4583D #6DD43D

split-complementary

#3DB9D4 #D43D6D #D4A33D

monochromatic

#1B6A7B #2695AD #3DB9D4 #6FCBDF #A1DDEA

Accessibility & contrast

On white

2.31

#3DB9D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#3DB9D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3DB9D4

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3DB9D4	#FFFFFF	#000000	##000000
##3DB9D4	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B3D6

Deuteranopia (green-blind)

#91A4D4

Tritanopia (blue-blind)

#00C3C1

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #3db9d4;
/* rgb */ color: rgb(61, 185, 212);
/* oklch */ color: oklch(73.0% 0.112 215.5);

Tailwind

colors: {
  custom: {
    50: '#87cee1',
    500: '#3db9d4',
    950: '#000000',
  },
}

SCSS

$custom: #3db9d4;
$custom-light: #87cee1;
$custom-dark: #000000;

JSON

{
  "hex": "#3db9d4",
  "rgb": {
    "r": 61,
    "g": 185,
    "b": 212
  },
  "hsl": {
    "h": 190.728,
    "s": 63.713,
    "l": 53.529
  },
  "oklch": {
    "l": 0.72957,
    "c": 0.11245,
    "h": 215.5
  },
  "luminance": 0.40443
}

Semantic roles & 50–950 ramp

primary

#3DB9D4

secondary

#D7A296

accent

#5F41E7

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #3DB9D4

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

Preview Lab → · Contrast checker → · Palette generator →