#3B9DBB#3B9DBB

#3B9DBB is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.1% C 0.100 H 221.9°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3B9DBB
RGB	rgb(59, 157, 187)
HSL	hsl(194, 52%, 48%)
HSV	hsv(194, 68%, 73%)
CMYK	cmyk(68.4%, 16%, 0%, 26.7%)
CIE-LAB	lab(60.45, -18.75, -23.84)
CIE-LCH	lch(60.45, 30.33, 231.82°)
OKLab	oklab(65.15% -0.0742 -0.0665)
OKLCH	oklch(65.15% 0.1 221.9)
XYZ	xyz(22.8266, 28.6291, 51.3270)
Luminance	0.2863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9DBB #BB593B

analogous

#3BBB99 #3B9DBB #3B5DBB

triadic

#3B9DBB #BB3B9D #9DBB3B

tetradic

#3B9DBB #993BBB #BB593B #5DBB3B

square

#3B9DBB #993BBB #BB593B #5DBB3B

split-complementary

#3B9DBB #BB3B5D #BB993B

monochromatic

#1E4F5E #2C768C #3B9DBB #65B6CE #93CCDD

Accessibility & contrast

On white

3.12

#3B9DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.73

#3B9DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9DBB

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9DBB	#FFFFFF	#000000	##000000
##3B9DBB	1.00	3.12	6.73	6.73
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.73	21.00	1.00	1.00
##000000	6.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B99BD

Deuteranopia (green-blind)

#7A8CBB

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3b9dbb;
/* rgb */ color: rgb(59, 157, 187);
/* oklch */ color: oklch(65.1% 0.100 221.9);

Tailwind

colors: {
  custom: {
    50: '#81bacf',
    500: '#3b9dbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b9dbb;
$custom-light: #81bacf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9dbb",
  "rgb": {
    "r": 59,
    "g": 157,
    "b": 187
  },
  "hsl": {
    "h": 194.063,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65146,
    "c": 0.09965,
    "h": 221.9
  },
  "luminance": 0.28632
}

Semantic roles & 50–950 ramp

primary

#3B9DBB

secondary

#C8988A

accent

#6E4CDB

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3B9DBB

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

Preview Lab → · Contrast checker → · Palette generator →