#3B9BD1#3B9BD1

#3B9BD1 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.7% C 0.119 H 237.4°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3B9BD1
RGB	rgb(59, 155, 209)
HSL	hsl(202, 62%, 53%)
HSV	hsv(202, 72%, 82%)
CMYK	cmyk(71.8%, 25.8%, 0%, 18%)
CIE-LAB	lab(60.76, -10.37, -35.70)
CIE-LCH	lch(60.76, 37.18, 253.80°)
OKLab	oklab(65.69% -0.0642 -0.1006)
OKLCH	oklch(65.69% 0.119 237.4)
XYZ	xyz(25.0291, 28.9731, 64.5825)
Luminance	0.2898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9BD1 #D1713B

analogous

#3BD1BC #3B9BD1 #3B50D1

triadic

#3B9BD1 #D13B9B #9BD13B

tetradic

#3B9BD1 #BC3BD1 #D1713B #50D13B

square

#3B9BD1 #BC3BD1 #D1713B #50D13B

split-complementary

#3B9BD1 #D13B50 #D1BC3B

monochromatic

#1C5576 #2779A7 #3B9BD1 #6DB4DD #9ECEE8

Accessibility & contrast

On white

3.09

#3B9BD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#3B9BD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9BD1

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9BD1	#FFFFFF	#000000	##000000
##3B9BD1	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#819BD3

Deuteranopia (green-blind)

#6D8CD0

Tritanopia (blue-blind)

#00A9AE

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3b9bd1;
/* rgb */ color: rgb(59, 155, 209);
/* oklch */ color: oklch(65.7% 0.119 237.4);

Tailwind

colors: {
  custom: {
    50: '#84b8df',
    500: '#3b9bd1',
    950: '#000000',
  },
}

SCSS

$custom: #3b9bd1;
$custom-light: #84b8df;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9bd1",
  "rgb": {
    "r": 59,
    "g": 155,
    "b": 209
  },
  "hsl": {
    "h": 201.6,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.65687,
    "c": 0.11939,
    "h": 237.4
  },
  "luminance": 0.28976
}

Semantic roles & 50–950 ramp

primary

#3B9BD1

secondary

#D4AB93

accent

#7D43E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B9BD1

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

Preview Lab → · Contrast checker → · Palette generator →