#3B99CF#3B99CF

#3B99CF is a light, moderate cyan. Relative luminance 0.282; OKLCH L 65.1% C 0.119 H 237.9°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3B99CF
RGB	rgb(59, 153, 207)
HSL	hsl(202, 61%, 52%)
HSV	hsv(202, 71%, 81%)
CMYK	cmyk(71.5%, 26.1%, 0%, 18.8%)
CIE-LAB	lab(60.08, -9.93, -35.64)
CIE-LCH	lch(60.08, 37.00, 254.42°)
OKLab	oklab(65.12% -0.063 -0.1005)
OKLCH	oklch(65.12% 0.119 237.9)
XYZ	xyz(24.4529, 28.2145, 63.1766)
Luminance	0.2822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99CF #CF713B

analogous

#3BCFBB #3B99CF #3B4FCF

triadic

#3B99CF #CF3B99 #99CF3B

tetradic

#3B99CF #BB3BCF #CF713B #4FCF3B

square

#3B99CF #BB3BCF #CF713B #4FCF3B

split-complementary

#3B99CF #CF3B4F #CFBB3B

monochromatic

#1C5473 #2877A5 #3B99CF #6CB3DB #9DCCE7

Accessibility & contrast

On white

3.16

#3B99CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#3B99CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99CF

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99CF	#FFFFFF	#000000	##000000
##3B99CF	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8099D1

Deuteranopia (green-blind)

#6B8ACE

Tritanopia (blue-blind)

#00A7AC

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3b99cf;
/* rgb */ color: rgb(59, 153, 207);
/* oklch */ color: oklch(65.1% 0.119 237.9);

Tailwind

colors: {
  custom: {
    50: '#83b6de',
    500: '#3b99cf',
    950: '#000000',
  },
}

SCSS

$custom: #3b99cf;
$custom-light: #83b6de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99cf",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 207
  },
  "hsl": {
    "h": 201.892,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.65121,
    "c": 0.11856,
    "h": 237.9
  },
  "luminance": 0.28217
}

Semantic roles & 50–950 ramp

primary

#3B99CF

secondary

#D3AA93

accent

#7E44E4

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B99CF

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

Preview Lab → · Contrast checker → · Palette generator →