#3B9CD4#3B9CD4

#3B9CD4 is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.122 H 238.2°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#3B9CD4
RGB	rgb(59, 156, 212)
HSL	hsl(202, 64%, 53%)
HSV	hsv(202, 72%, 83%)
CMYK	cmyk(72.2%, 26.4%, 0%, 16.9%)
CIE-LAB	lab(61.18, -9.91, -36.71)
CIE-LCH	lch(61.18, 38.02, 254.90°)
OKLab	oklab(66.07% -0.0642 -0.1035)
OKLCH	oklch(66.07% 0.122 238.2)
XYZ	xyz(25.5711, 29.4573, 66.6127)
Luminance	0.2946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9CD4 #D4733B

analogous

#3BD4C0 #3B9CD4 #3B4FD4

triadic

#3B9CD4 #D43B9C #9CD43B

tetradic

#3B9CD4 #C03BD4 #D4733B #4FD43B

square

#3B9CD4 #C03BD4 #D4733B #4FD43B

split-complementary

#3B9CD4 #D43B4F #D4C03B

monochromatic

#1B577A #267BAC #3B9CD4 #6DB5DF #9FCFEA

Accessibility & contrast

On white

3.05

#3B9CD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#3B9CD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9CD4

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9CD4	#FFFFFF	#000000	##000000
##3B9CD4	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829CD7

Deuteranopia (green-blind)

#6D8DD3

Tritanopia (blue-blind)

#00AAAF

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3b9cd4;
/* rgb */ color: rgb(59, 156, 212);
/* oklch */ color: oklch(66.1% 0.122 238.2);

Tailwind

colors: {
  custom: {
    50: '#84b9e1',
    500: '#3b9cd4',
    950: '#000000',
  },
}

SCSS

$custom: #3b9cd4;
$custom-light: #84b9e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9cd4",
  "rgb": {
    "r": 59,
    "g": 156,
    "b": 212
  },
  "hsl": {
    "h": 201.961,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.66068,
    "c": 0.12184,
    "h": 238.2
  },
  "luminance": 0.2946
}

Semantic roles & 50–950 ramp

primary

#3B9CD4

secondary

#D6AD94

accent

#7E41E7

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B9CD4

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

Preview Lab → · Contrast checker → · Palette generator →