#3B99BA#3B99BA

#3B99BA is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.1% C 0.100 H 225.0°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3B99BA
RGB	rgb(59, 153, 186)
HSL	hsl(196, 52%, 48%)
HSV	hsv(196, 68%, 73%)
CMYK	cmyk(68.3%, 17.7%, 0%, 27.1%)
CIE-LAB	lab(59.21, -16.93, -25.19)
CIE-LCH	lch(59.21, 30.35, 236.09°)
OKLab	oklab(64.14% -0.0704 -0.0704)
OKLCH	oklch(64.14% 0.1 225)
XYZ	xyz(22.0542, 27.2550, 50.5433)
Luminance	0.2726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99BA #BA5C3B

analogous

#3BBA9C #3B99BA #3B59BA

triadic

#3B99BA #BA3B99 #99BA3B

tetradic

#3B99BA #9C3BBA #BA5C3B #59BA3B

square

#3B99BA #9C3BBA #BA5C3B #59BA3B

split-complementary

#3B99BA #BA3B59 #BA9C3B

monochromatic

#1E4D5D #2C738C #3B99BA #64B2CE #93C9DD

Accessibility & contrast

On white

3.26

#3B99BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#3B99BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99BA

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99BA	#FFFFFF	#000000	##000000
##3B99BA	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8796BC

Deuteranopia (green-blind)

#7589BA

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #3b99ba;
/* rgb */ color: rgb(59, 153, 186);
/* oklch */ color: oklch(64.1% 0.100 225.0);

Tailwind

colors: {
  custom: {
    50: '#80b7ce',
    500: '#3b99ba',
    950: '#000000',
  },
}

SCSS

$custom: #3b99ba;
$custom-light: #80b7ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99ba",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 186
  },
  "hsl": {
    "h": 195.591,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.64138,
    "c": 0.09958,
    "h": 225
  },
  "luminance": 0.27257
}

Semantic roles & 50–950 ramp

primary

#3B99BA

secondary

#C89989

accent

#724DDB

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3B99BA

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

Preview Lab → · Contrast checker → · Palette generator →