#3B99BC#3B99BC

#3B99BC is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.2% C 0.101 H 226.4°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3B99BC
RGB	rgb(59, 153, 188)
HSL	hsl(196, 52%, 48%)
HSV	hsv(196, 69%, 74%)
CMYK	cmyk(68.6%, 18.6%, 0%, 26.3%)
CIE-LAB	lab(59.29, -16.28, -26.19)
CIE-LCH	lch(59.29, 30.84, 238.14°)
OKLab	oklab(64.23% -0.0697 -0.0733)
OKLCH	oklch(64.23% 0.101 226.4)
XYZ	xyz(22.2683, 27.3407, 51.6709)
Luminance	0.2734 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99BC #BC5E3B

analogous

#3BBC9E #3B99BC #3B58BC

triadic

#3B99BC #BC3B99 #99BC3B

tetradic

#3B99BC #9E3BBC #BC5E3B #58BC3B

square

#3B99BC #9E3BBC #BC5E3B #58BC3B

split-complementary

#3B99BC #BC3B58 #BC9E3B

monochromatic

#1E4D5F #2C738D #3B99BC #65B2CF #94C9DD

Accessibility & contrast

On white

3.25

#3B99BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#3B99BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99BC

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99BC	#FFFFFF	#000000	##000000
##3B99BC	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8696BE

Deuteranopia (green-blind)

#7489BC

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3b99bc;
/* rgb */ color: rgb(59, 153, 188);
/* oklch */ color: oklch(64.2% 0.101 226.4);

Tailwind

colors: {
  custom: {
    50: '#80b7d0',
    500: '#3b99bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b99bc;
$custom-light: #80b7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99bc",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 188
  },
  "hsl": {
    "h": 196.279,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.64227,
    "c": 0.10111,
    "h": 226.4
  },
  "luminance": 0.27343
}

Semantic roles & 50–950 ramp

primary

#3B99BC

secondary

#C99B8A

accent

#734CDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3B99BC

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

Preview Lab → · Contrast checker → · Palette generator →