#3B99C6#3B99C6

#3B99C6 is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.7% C 0.110 H 233.0°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3B99C6
RGB	rgb(59, 153, 198)
HSL	hsl(199, 55%, 50%)
HSV	hsv(199, 70%, 78%)
CMYK	cmyk(70.2%, 22.7%, 0%, 22.4%)
CIE-LAB	lab(59.70, -12.97, -31.19)
CIE-LCH	lch(59.70, 33.78, 247.42°)
OKLab	oklab(64.69% -0.066 -0.0876)
OKLCH	oklch(64.69% 0.11 233)
XYZ	xyz(23.3839, 27.7869, 57.5461)
Luminance	0.2779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99C6 #C6683B

analogous

#3BC6AD #3B99C6 #3B54C6

triadic

#3B99C6 #C63B99 #99C63B

tetradic

#3B99C6 #AD3BC6 #C6683B #54C63B

square

#3B99C6 #AD3BC6 #C6683B #54C63B

split-complementary

#3B99C6 #C63B54 #C6AD3B

monochromatic

#1E5068 #2C7598 #3B99C6 #6AB2D4 #9ACAE2

Accessibility & contrast

On white

3.20

#3B99C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#3B99C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99C6

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99C6	#FFFFFF	#000000	##000000
##3B99C6	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8397C8

Deuteranopia (green-blind)

#708AC5

Tritanopia (blue-blind)

#00A5A8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3b99c6;
/* rgb */ color: rgb(59, 153, 198);
/* oklch */ color: oklch(64.7% 0.110 233.0);

Tailwind

colors: {
  custom: {
    50: '#82b7d7',
    500: '#3b99c6',
    950: '#000000',
  },
}

SCSS

$custom: #3b99c6;
$custom-light: #82b7d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99c6",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 198
  },
  "hsl": {
    "h": 199.424,
    "s": 54.941,
    "l": 50.392
  },
  "oklch": {
    "l": 0.64686,
    "c": 0.10973,
    "h": 233
  },
  "luminance": 0.27789
}

Semantic roles & 50–950 ramp

primary

#3B99C6

secondary

#CDA38F

accent

#7A4ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3B99C6

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

Preview Lab → · Contrast checker → · Palette generator →