#3B9BC1#3B9BC1

#3B9BC1 is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.9% C 0.105 H 228.1°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3B9BC1
RGB	rgb(59, 155, 193)
HSL	hsl(197, 53%, 49%)
HSV	hsv(197, 69%, 76%)
CMYK	cmyk(69.4%, 19.7%, 0%, 24.3%)
CIE-LAB	lab(60.09, -15.72, -27.78)
CIE-LCH	lch(60.09, 31.92, 240.49°)
OKLab	oklab(64.93% -0.0698 -0.0778)
OKLCH	oklch(64.93% 0.105 228.1)
XYZ	xyz(23.1467, 28.2202, 54.6689)
Luminance	0.2822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9BC1 #C1613B

analogous

#3BC1A4 #3B9BC1 #3B58C1

triadic

#3B9BC1 #C13B9B #9BC13B

tetradic

#3B9BC1 #A43BC1 #C1613B #58C13B

square

#3B9BC1 #A43BC1 #C1613B #58C13B

split-complementary

#3B9BC1 #C13B58 #C1A43B

monochromatic

#1E5063 #2D7592 #3B9BC1 #68B3D1 #97CBDF

Accessibility & contrast

On white

3.16

#3B9BC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#3B9BC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9BC1

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9BC1	#FFFFFF	#000000	##000000
##3B9BC1	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8798C3

Deuteranopia (green-blind)

#758BC1

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3b9bc1;
/* rgb */ color: rgb(59, 155, 193);
/* oklch */ color: oklch(64.9% 0.105 228.1);

Tailwind

colors: {
  custom: {
    50: '#81b8d3',
    500: '#3b9bc1',
    950: '#000000',
  },
}

SCSS

$custom: #3b9bc1;
$custom-light: #81b8d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9bc1",
  "rgb": {
    "r": 59,
    "g": 155,
    "b": 193
  },
  "hsl": {
    "h": 197.015,
    "s": 53.175,
    "l": 49.412
  },
  "oklch": {
    "l": 0.64931,
    "c": 0.10456,
    "h": 228.1
  },
  "luminance": 0.28223
}

Semantic roles & 50–950 ramp

primary

#3B9BC1

secondary

#CB9F8D

accent

#744BDD

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3B9BC1

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

Preview Lab → · Contrast checker → · Palette generator →