#3C99BB#3C99BB

#3C99BB is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.2% C 0.100 H 225.9°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3C99BB
RGB	rgb(60, 153, 187)
HSL	hsl(196, 51%, 48%)
HSV	hsv(196, 68%, 73%)
CMYK	cmyk(67.9%, 18.2%, 0%, 26.7%)
CIE-LAB	lab(59.28, -16.45, -25.64)
CIE-LCH	lch(59.28, 30.47, 237.32°)
OKLab	oklab(64.21% -0.0695 -0.0717)
OKLCH	oklch(64.21% 0.1 225.9)
XYZ	xyz(22.2207, 27.3285, 51.1079)
Luminance	0.2733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C99BB #BB5E3C

analogous

#3CBB9D #3C99BB #3C59BB

triadic

#3C99BB #BB3C99 #99BB3C

tetradic

#3C99BB #9D3CBB #BB5E3C #59BB3C

square

#3C99BB #9D3CBB #BB5E3C #59BB3C

split-complementary

#3C99BB #BB3C59 #BB9D3C

monochromatic

#1E4D5E #2D738D #3C99BB #66B2CE #95C9DD

Accessibility & contrast

On white

3.25

#3C99BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#3C99BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C99BB

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C99BB	#FFFFFF	#000000	##000000
##3C99BB	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8796BD

Deuteranopia (green-blind)

#7589BB

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3c99bb;
/* rgb */ color: rgb(60, 153, 187);
/* oklch */ color: oklch(64.2% 0.100 225.9);

Tailwind

colors: {
  custom: {
    50: '#81b7cf',
    500: '#3c99bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c99bb;
$custom-light: #81b7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3c99bb",
  "rgb": {
    "r": 60,
    "g": 153,
    "b": 187
  },
  "hsl": {
    "h": 196.063,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.64213,
    "c": 0.09985,
    "h": 225.9
  },
  "luminance": 0.27331
}

Semantic roles & 50–950 ramp

primary

#3C99BB

secondary

#C89B8B

accent

#734DDB

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3C99BB

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

Preview Lab → · Contrast checker → · Palette generator →