#3B9CBB#3B9CBB

#3B9CBB is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.9% C 0.100 H 222.9°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3B9CBB
RGB	rgb(59, 156, 187)
HSL	hsl(195, 52%, 48%)
HSV	hsv(195, 68%, 73%)
CMYK	cmyk(68.4%, 16.6%, 0%, 26.7%)
CIE-LAB	lab(60.15, -18.21, -24.30)
CIE-LCH	lch(60.15, 30.37, 233.15°)
OKLab	oklab(64.91% -0.0731 -0.0679)
OKLCH	oklch(64.91% 0.1 222.9)
XYZ	xyz(22.6581, 28.2921, 51.2709)
Luminance	0.2829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9CBB #BB5A3B

analogous

#3BBB9A #3B9CBB #3B5CBB

triadic

#3B9CBB #BB3B9C #9CBB3B

tetradic

#3B9CBB #9A3BBB #BB5A3B #5CBB3B

square

#3B9CBB #9A3BBB #BB5A3B #5CBB3B

split-complementary

#3B9CBB #BB3B5C #BB9A3B

monochromatic

#1E4E5E #2C758C #3B9CBB #65B5CE #93CBDD

Accessibility & contrast

On white

3.15

#3B9CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#3B9CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9CBB

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9CBB	#FFFFFF	#000000	##000000
##3B9CBB	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A98BD

Deuteranopia (green-blind)

#788BBB

Tritanopia (blue-blind)

#00A6A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3b9cbb;
/* rgb */ color: rgb(59, 156, 187);
/* oklch */ color: oklch(64.9% 0.100 222.9);

Tailwind

colors: {
  custom: {
    50: '#80b9cf',
    500: '#3b9cbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b9cbb;
$custom-light: #80b9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9cbb",
  "rgb": {
    "r": 59,
    "g": 156,
    "b": 187
  },
  "hsl": {
    "h": 194.531,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.64905,
    "c": 0.09978,
    "h": 222.9
  },
  "luminance": 0.28295
}

Semantic roles & 50–950 ramp

primary

#3B9CBB

secondary

#C8998A

accent

#6F4CDB

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3B9CBB

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

Preview Lab → · Contrast checker → · Palette generator →