#3B99CC#3B99CC

#3B99CC is a light, moderate cyan. Relative luminance 0.281; OKLCH L 65.0% C 0.116 H 236.4°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3B99CC
RGB	rgb(59, 153, 204)
HSL	hsl(201, 59%, 52%)
HSV	hsv(201, 71%, 80%)
CMYK	cmyk(71.1%, 25%, 0%, 20%)
CIE-LAB	lab(59.95, -10.95, -34.16)
CIE-LCH	lch(59.95, 35.87, 252.22°)
OKLab	oklab(64.97% -0.064 -0.0962)
OKLCH	oklch(64.97% 0.116 236.4)
XYZ	xyz(24.0897, 28.0692, 61.2633)
Luminance	0.2807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99CC #CC6E3B

analogous

#3BCCB6 #3B99CC #3B51CC

triadic

#3B99CC #CC3B99 #99CC3B

tetradic

#3B99CC #B63BCC #CC6E3B #51CC3B

square

#3B99CC #B63BCC #CC6E3B #51CC3B

split-complementary

#3B99CC #CC3B51 #CCB63B

monochromatic

#1D5370 #2A76A0 #3B99CC #6CB2D9 #9CCCE5

Accessibility & contrast

On white

3.17

#3B99CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#3B99CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99CC

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99CC	#FFFFFF	#000000	##000000
##3B99CC	1.00	3.17	6.61	6.61
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8198CE

Deuteranopia (green-blind)

#6D8ACB

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3b99cc;
/* rgb */ color: rgb(59, 153, 204);
/* oklch */ color: oklch(65.0% 0.116 236.4);

Tailwind

colors: {
  custom: {
    50: '#83b7db',
    500: '#3b99cc',
    950: '#000000',
  },
}

SCSS

$custom: #3b99cc;
$custom-light: #83b7db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99cc",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 204
  },
  "hsl": {
    "h": 201.103,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.64974,
    "c": 0.11553,
    "h": 236.4
  },
  "luminance": 0.28072
}

Semantic roles & 50–950 ramp

primary

#3B99CC

secondary

#D1A892

accent

#7D46E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B99CC

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

Preview Lab → · Contrast checker → · Palette generator →