#3B99AC#3B99AC

#3B99AC is a light, moderate cyan. Relative luminance 0.267; OKLCH L 63.5% C 0.091 H 213.5°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3B99AC
RGB	rgb(59, 153, 172)
HSL	hsl(190, 49%, 45%)
HSV	hsv(190, 66%, 67%)
CMYK	cmyk(65.7%, 11%, 0%, 32.5%)
CIE-LAB	lab(58.69, -21.39, -18.06)
CIE-LCH	lch(58.69, 28.00, 220.18°)
OKLab	oklab(63.54% -0.076 -0.0502)
OKLCH	oklch(63.54% 0.091 213.5)
XYZ	xyz(20.6382, 26.6886, 43.0855)
Luminance	0.2669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99AC #AC4E3B

analogous

#3BAC86 #3B99AC #3B61AC

triadic

#3B99AC #AC3B99 #99AC3B

tetradic

#3B99AC #863BAC #AC4E3B #61AC3B

square

#3B99AC #863BAC #AC4E3B #61AC3B

split-complementary

#3B99AC #AC3B61 #AC863B

monochromatic

#1C4851 #2B707E #3B99AC #5DB5C7 #8ACAD7

Accessibility & contrast

On white

3.31

#3B99AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#3B99AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99AC

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99AC	#FFFFFF	#000000	##000000
##3B99AC	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B94AD

Deuteranopia (green-blind)

#7A88AC

Tritanopia (blue-blind)

#00A19F

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3b99ac;
/* rgb */ color: rgb(59, 153, 172);
/* oklch */ color: oklch(63.5% 0.091 213.5);

Tailwind

colors: {
  custom: {
    50: '#7eb7c4',
    500: '#3b99ac',
    950: '#000000',
  },
}

SCSS

$custom: #3b99ac;
$custom-light: #7eb7c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99ac",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 172
  },
  "hsl": {
    "h": 190.088,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.63543,
    "c": 0.09106,
    "h": 213.5
  },
  "luminance": 0.26691
}

Semantic roles & 50–950 ramp

primary

#3B99AC

secondary

#C18C81

accent

#664FD8

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1112

muted

#7C8081

Preview Lab

Preview with #3B99AC

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

Preview Lab → · Contrast checker → · Palette generator →