#3B9BC5#3B9BC5

#3B9BC5 is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.1% C 0.108 H 230.7°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#3B9BC5
RGB	rgb(59, 155, 197)
HSL	hsl(198, 54%, 50%)
HSV	hsv(198, 70%, 77%)
CMYK	cmyk(70.1%, 21.3%, 0%, 22.7%)
CIE-LAB	lab(60.25, -14.40, -29.77)
CIE-LCH	lch(60.25, 33.07, 244.19°)
OKLab	oklab(65.11% -0.0684 -0.0835)
OKLCH	oklch(65.11% 0.108 230.7)
XYZ	xyz(23.5990, 28.4011, 57.0507)
Luminance	0.2840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9BC5 #C5653B

analogous

#3BC5AA #3B9BC5 #3B56C5

triadic

#3B9BC5 #C53B9B #9BC53B

tetradic

#3B9BC5 #AA3BC5 #C5653B #56C53B

square

#3B9BC5 #AA3BC5 #C5653B #56C53B

split-complementary

#3B9BC5 #C53B56 #C5AA3B

monochromatic

#1F5167 #2C7696 #3B9BC5 #6AB3D3 #99CBE1

Accessibility & contrast

On white

3.14

#3B9BC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#3B9BC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9BC5

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9BC5	#FFFFFF	#000000	##000000
##3B9BC5	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8699C7

Deuteranopia (green-blind)

#738BC4

Tritanopia (blue-blind)

#00A7A9

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3b9bc5;
/* rgb */ color: rgb(59, 155, 197);
/* oklch */ color: oklch(65.1% 0.108 230.7);

Tailwind

colors: {
  custom: {
    50: '#82b8d6',
    500: '#3b9bc5',
    950: '#000000',
  },
}

SCSS

$custom: #3b9bc5;
$custom-light: #82b8d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9bc5",
  "rgb": {
    "r": 59,
    "g": 155,
    "b": 197
  },
  "hsl": {
    "h": 198.261,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.65114,
    "c": 0.10796,
    "h": 230.7
  },
  "luminance": 0.28404
}

Semantic roles & 50–950 ramp

primary

#3B9BC5

secondary

#CDA28F

accent

#774ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3B9BC5

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

Preview Lab → · Contrast checker → · Palette generator →