#3B99BE#3B99BE

#3B99BE is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.3% C 0.103 H 227.9°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3B99BE
RGB	rgb(59, 153, 190)
HSL	hsl(197, 53%, 49%)
HSV	hsv(197, 69%, 75%)
CMYK	cmyk(68.9%, 19.5%, 0%, 25.5%)
CIE-LAB	lab(59.37, -15.63, -27.20)
CIE-LCH	lch(59.37, 31.37, 240.12°)
OKLab	oklab(64.32% -0.0689 -0.0762)
OKLCH	oklch(64.32% 0.103 227.9)
XYZ	xyz(22.4854, 27.4275, 52.8142)
Luminance	0.2743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B99BE #BE603B

analogous

#3BBEA2 #3B99BE #3B58BE

triadic

#3B99BE #BE3B99 #99BE3B

tetradic

#3B99BE #A23BBE #BE603B #58BE3B

square

#3B99BE #A23BBE #BE603B #58BE3B

split-complementary

#3B99BE #BE3B58 #BEA23B

monochromatic

#1E4E61 #2C738F #3B99BE #67B2D0 #95CADE

Accessibility & contrast

On white

3.24

#3B99BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#3B99BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B99BE

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B99BE	#FFFFFF	#000000	##000000
##3B99BE	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8596C0

Deuteranopia (green-blind)

#7389BE

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3b99be;
/* rgb */ color: rgb(59, 153, 190);
/* oklch */ color: oklch(64.3% 0.103 227.9);

Tailwind

colors: {
  custom: {
    50: '#81b7d1',
    500: '#3b99be',
    950: '#000000',
  },
}

SCSS

$custom: #3b99be;
$custom-light: #81b7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b99be",
  "rgb": {
    "r": 59,
    "g": 153,
    "b": 190
  },
  "hsl": {
    "h": 196.947,
    "s": 52.61,
    "l": 48.824
  },
  "oklch": {
    "l": 0.64317,
    "c": 0.10271,
    "h": 227.9
  },
  "luminance": 0.2743
}

Semantic roles & 50–950 ramp

primary

#3B99BE

secondary

#CA9D8B

accent

#754CDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3B99BE

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

Preview Lab → · Contrast checker → · Palette generator →