#3B9EBD#3B9EBD

#3B9EBD is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.5% C 0.101 H 222.5°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3B9EBD
RGB	rgb(59, 158, 189)
HSL	hsl(194, 52%, 49%)
HSV	hsv(194, 69%, 74%)
CMYK	cmyk(68.8%, 16.4%, 0%, 25.9%)
CIE-LAB	lab(60.83, -18.63, -24.38)
CIE-LCH	lch(60.83, 30.69, 232.61°)
OKLab	oklab(65.47% -0.0744 -0.0681)
OKLCH	oklch(65.47% 0.101 222.5)
XYZ	xyz(23.2120, 29.0551, 52.5191)
Luminance	0.2906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9EBD #BD5A3B

analogous

#3BBD9B #3B9EBD #3B5DBD

triadic

#3B9EBD #BD3B9E #9EBD3B

tetradic

#3B9EBD #9B3BBD #BD5A3B #5DBD3B

square

#3B9EBD #9B3BBD #BD5A3B #5DBD3B

split-complementary

#3B9EBD #BD3B5D #BD9B3B

monochromatic

#1E5060 #2C778E #3B9EBD #66B6CF #95CCDE

Accessibility & contrast

On white

3.08

#3B9EBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#3B9EBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9EBD

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9EBD	#FFFFFF	#000000	##000000
##3B9EBD	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C9ABF

Deuteranopia (green-blind)

#7A8DBD

Tritanopia (blue-blind)

#00A8A8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3b9ebd;
/* rgb */ color: rgb(59, 158, 189);
/* oklch */ color: oklch(65.5% 0.101 222.5);

Tailwind

colors: {
  custom: {
    50: '#81bad1',
    500: '#3b9ebd',
    950: '#000000',
  },
}

SCSS

$custom: #3b9ebd;
$custom-light: #81bad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9ebd",
  "rgb": {
    "r": 59,
    "g": 158,
    "b": 189
  },
  "hsl": {
    "h": 194.308,
    "s": 52.419,
    "l": 48.627
  },
  "oklch": {
    "l": 0.65474,
    "c": 0.10088,
    "h": 222.5
  },
  "luminance": 0.29058
}

Semantic roles & 50–950 ramp

primary

#3B9EBD

secondary

#C99A8B

accent

#6E4CDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3B9EBD

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

Preview Lab → · Contrast checker → · Palette generator →