#3B9CBC#3B9CBC

#3B9CBC is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.9% C 0.100 H 223.6°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3B9CBC
RGB	rgb(59, 156, 188)
HSL	hsl(195, 52%, 48%)
HSV	hsv(195, 69%, 74%)
CMYK	cmyk(68.6%, 17%, 0%, 26.3%)
CIE-LAB	lab(60.19, -17.89, -24.80)
CIE-LCH	lch(60.19, 30.58, 234.20°)
OKLab	oklab(64.95% -0.0727 -0.0693)
OKLCH	oklch(64.95% 0.1 223.6)
XYZ	xyz(22.7655, 28.3351, 51.8366)
Luminance	0.2834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9CBC #BC5B3B

analogous

#3BBC9B #3B9CBC #3B5BBC

triadic

#3B9CBC #BC3B9C #9CBC3B

tetradic

#3B9CBC #9B3BBC #BC5B3B #5BBC3B

square

#3B9CBC #9B3BBC #BC5B3B #5BBC3B

split-complementary

#3B9CBC #BC3B5B #BC9B3B

monochromatic

#1E4F5F #2C758D #3B9CBC #65B5CF #94CBDD

Accessibility & contrast

On white

3.15

#3B9CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#3B9CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9CBC

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9CBC	#FFFFFF	#000000	##000000
##3B9CBC	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BE

Deuteranopia (green-blind)

#788BBC

Tritanopia (blue-blind)

#00A6A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3b9cbc;
/* rgb */ color: rgb(59, 156, 188);
/* oklch */ color: oklch(64.9% 0.100 223.6);

Tailwind

colors: {
  custom: {
    50: '#81b9d0',
    500: '#3b9cbc',
    950: '#000000',
  },
}

SCSS

$custom: #3b9cbc;
$custom-light: #81b9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9cbc",
  "rgb": {
    "r": 59,
    "g": 156,
    "b": 188
  },
  "hsl": {
    "h": 194.884,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.64948,
    "c": 0.10048,
    "h": 223.6
  },
  "luminance": 0.28338
}

Semantic roles & 50–950 ramp

primary

#3B9CBC

secondary

#C99A8A

accent

#704CDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3B9CBC

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

Preview Lab → · Contrast checker → · Palette generator →