#3B99C4#3B99C4

#3B99C4 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.6% C 0.108 H 231.8°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3B99C4
RGB	rgb(59, 153, 196)
HSL	hsl(199, 54%, 50%)
HSV	hsv(199, 70%, 77%)
CMYK	cmyk(69.9%, 21.9%, 0%, 23.1%)
CIE-LAB	lab(59.61, -13.64, -30.20)
CIE-LCH	lch(59.61, 33.14, 245.69°)
OKLab	oklab(64.59% -0.0667 -0.0848)
OKLCH	oklch(64.59% 0.108 231.8)
XYZ	xyz(23.1547, 27.6952, 56.3392)
Luminance	0.2770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99C4 #C4663B

analogous

#3BC4AA #3B99C4 #3B55C4

triadic

#3B99C4 #C43B99 #99C43B

tetradic

#3B99C4 #AA3BC4 #C4663B #55C43B

square

#3B99C4 #AA3BC4 #C4663B #55C43B

split-complementary

#3B99C4 #C43B55 #C4AA3B

monochromatic

#1F5066 #2D7495 #3B99C4 #6AB1D2 #99CAE0

Accessibility & contrast

On white

3.21

#3B99C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#3B99C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99C4

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99C4	#FFFFFF	#000000	##000000
##3B99C4	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8497C6

Deuteranopia (green-blind)

#718AC3

Tritanopia (blue-blind)

#00A5A7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3b99c4;
/* rgb */ color: rgb(59, 153, 196);
/* oklch */ color: oklch(64.6% 0.108 231.8);

Tailwind

colors: {
  custom: {
    50: '#81b7d6',
    500: '#3b99c4',
    950: '#000000',
  },
}

SCSS

$custom: #3b99c4;
$custom-light: #81b7d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99c4",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 196
  },
  "hsl": {
    "h": 198.832,
    "s": 53.725,
    "l": 50
  },
  "oklch": {
    "l": 0.64592,
    "c": 0.10789,
    "h": 231.8
  },
  "luminance": 0.27698
}

Semantic roles & 50–950 ramp

primary

#3B99C4

secondary

#CCA28F

accent

#794BDD

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3B99C4

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

Preview Lab → · Contrast checker → · Palette generator →