#3B9BD4#3B9BD4

#3B9BD4 is a light, vivid cyan. Relative luminance 0.291; OKLCH L 65.8% C 0.122 H 238.9°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3B9BD4
RGB	rgb(59, 155, 212)
HSL	hsl(202, 64%, 53%)
HSV	hsv(202, 72%, 83%)
CMYK	cmyk(72.2%, 26.9%, 0%, 16.9%)
CIE-LAB	lab(60.89, -9.35, -37.17)
CIE-LCH	lch(60.89, 38.32, 255.88°)
OKLab	oklab(65.83% -0.0633 -0.1049)
OKLCH	oklch(65.83% 0.122 238.9)
XYZ	xyz(25.4040, 29.1231, 66.5570)
Luminance	0.2913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9BD4 #D4743B

analogous

#3BD4C1 #3B9BD4 #3B4ED4

triadic

#3B9BD4 #D43B9B #9BD43B

tetradic

#3B9BD4 #C13BD4 #D4743B #4ED43B

square

#3B9BD4 #C13BD4 #D4743B #4ED43B

split-complementary

#3B9BD4 #D43B4E #D4C13B

monochromatic

#1B567A #267AAC #3B9BD4 #6DB5DF #9FCEEA

Accessibility & contrast

On white

3.08

#3B9BD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#3B9BD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9BD4

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9BD4	#FFFFFF	#000000	##000000
##3B9BD4	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809BD7

Deuteranopia (green-blind)

#6B8CD3

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3b9bd4;
/* rgb */ color: rgb(59, 155, 212);
/* oklch */ color: oklch(65.8% 0.122 238.9);

Tailwind

colors: {
  custom: {
    50: '#84b8e1',
    500: '#3b9bd4',
    950: '#000000',
  },
}

SCSS

$custom: #3b9bd4;
$custom-light: #84b8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9bd4",
  "rgb": {
    "r": 59,
    "g": 155,
    "b": 212
  },
  "hsl": {
    "h": 202.353,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.65835,
    "c": 0.12249,
    "h": 238.9
  },
  "luminance": 0.29126
}

Semantic roles & 50–950 ramp

primary

#3B9BD4

secondary

#D6AD94

accent

#7F41E7

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B9BD4

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

Preview Lab → · Contrast checker → · Palette generator →