#3C99BF#3C99BF

#3C99BF is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.4% C 0.103 H 228.7°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#3C99BF
RGB	rgb(60, 153, 191)
HSL	hsl(197, 52%, 49%)
HSV	hsv(197, 69%, 75%)
CMYK	cmyk(68.6%, 19.9%, 0%, 25.1%)
CIE-LAB	lab(59.44, -15.14, -27.65)
CIE-LCH	lch(59.44, 31.53, 241.29°)
OKLab	oklab(64.39% -0.068 -0.0775)
OKLCH	oklch(64.39% 0.103 228.7)
XYZ	xyz(22.6549, 27.5022, 53.3946)
Luminance	0.2751 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C99BF #BF623C

analogous

#3CBFA4 #3C99BF #3C57BF

triadic

#3C99BF #BF3C99 #99BF3C

tetradic

#3C99BF #A43CBF #BF623C #57BF3C

square

#3C99BF #A43CBF #BF623C #57BF3C

split-complementary

#3C99BF #BF3C57 #BFA43C

monochromatic

#1F4E62 #2D7490 #3C99BF #68B2D0 #97CADE

Accessibility & contrast

On white

3.23

#3C99BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#3C99BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C99BF

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C99BF	#FFFFFF	#000000	##000000
##3C99BF	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8597C1

Deuteranopia (green-blind)

#7389BE

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3c99bf;
/* rgb */ color: rgb(60, 153, 191);
/* oklch */ color: oklch(64.4% 0.103 228.7);

Tailwind

colors: {
  custom: {
    50: '#81b7d2',
    500: '#3c99bf',
    950: '#000000',
  },
}

SCSS

$custom: #3c99bf;
$custom-light: #81b7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3c99bf",
  "rgb": {
    "r": 60,
    "g": 153,
    "b": 191
  },
  "hsl": {
    "h": 197.405,
    "s": 52.191,
    "l": 49.216
  },
  "oklch": {
    "l": 0.64392,
    "c": 0.10307,
    "h": 228.7
  },
  "luminance": 0.27505
}

Semantic roles & 50–950 ramp

primary

#3C99BF

secondary

#CA9F8D

accent

#764CDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3C99BF

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

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