#3B9FBB#3B9FBB

#3B9FBB is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.6% C 0.099 H 220.0°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#3B9FBB
RGB	rgb(59, 159, 187)
HSL	hsl(193, 52%, 48%)
HSV	hsv(193, 68%, 73%)
CMYK	cmyk(68.4%, 15%, 0%, 26.7%)
CIE-LAB	lab(61.06, -19.80, -22.91)
CIE-LCH	lch(61.06, 30.29, 229.17°)
OKLab	oklab(65.63% -0.0762 -0.0639)
OKLCH	oklch(65.63% 0.099 220)
XYZ	xyz(23.1677, 29.3114, 51.4407)
Luminance	0.2931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9FBB #BB573B

analogous

#3BBB97 #3B9FBB #3B5FBB

triadic

#3B9FBB #BB3B9F #9FBB3B

tetradic

#3B9FBB #973BBB #BB573B #5FBB3B

square

#3B9FBB #973BBB #BB573B #5FBB3B

split-complementary

#3B9FBB #BB3B5F #BB973B

monochromatic

#1E505E #2C778C #3B9FBB #65B7CE #93CDDD

Accessibility & contrast

On white

3.06

#3B9FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#3B9FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9FBB

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9FBB	#FFFFFF	#000000	##000000
##3B9FBB	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9BBD

Deuteranopia (green-blind)

#7C8EBB

Tritanopia (blue-blind)

#00A8A8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3b9fbb;
/* rgb */ color: rgb(59, 159, 187);
/* oklch */ color: oklch(65.6% 0.099 220.0);

Tailwind

colors: {
  custom: {
    50: '#81bbcf',
    500: '#3b9fbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b9fbb;
$custom-light: #81bbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9fbb",
  "rgb": {
    "r": 59,
    "g": 159,
    "b": 187
  },
  "hsl": {
    "h": 193.125,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65629,
    "c": 0.09948,
    "h": 220
  },
  "luminance": 0.29314
}

Semantic roles & 50–950 ramp

primary

#3B9FBB

secondary

#C8978A

accent

#6C4CDB

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #3B9FBB

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

Preview Lab → · Contrast checker → · Palette generator →