#3C99BC#3C99BC

#3C99BC is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.3% C 0.101 H 226.6°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3C99BC
RGB	rgb(60, 153, 188)
HSL	hsl(196, 52%, 49%)
HSV	hsv(196, 68%, 74%)
CMYK	cmyk(68.1%, 18.6%, 0%, 26.3%)
CIE-LAB	lab(59.32, -16.13, -26.15)
CIE-LCH	lch(59.32, 30.72, 238.34°)
OKLab	oklab(64.26% -0.0691 -0.0731)
OKLCH	oklch(64.26% 0.101 226.6)
XYZ	xyz(22.3282, 27.3715, 51.6737)
Luminance	0.2737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C99BC #BC5F3C

analogous

#3CBC9F #3C99BC #3C59BC

triadic

#3C99BC #BC3C99 #99BC3C

tetradic

#3C99BC #9F3CBC #BC5F3C #59BC3C

square

#3C99BC #9F3CBC #BC5F3C #59BC3C

split-complementary

#3C99BC #BC3C59 #BC9F3C

monochromatic

#1E4D5F #2D738E #3C99BC #67B2CE #95CADD

Accessibility & contrast

On white

3.24

#3C99BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#3C99BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C99BC

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C99BC	#FFFFFF	#000000	##000000
##3C99BC	1.00	3.24	6.47	6.47
#FFFFFF	3.24	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)

#8696BE

Deuteranopia (green-blind)

#7489BC

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3c99bc;
/* rgb */ color: rgb(60, 153, 188);
/* oklch */ color: oklch(64.3% 0.101 226.6);

Tailwind

colors: {
  custom: {
    50: '#81b7d0',
    500: '#3c99bc',
    950: '#000000',
  },
}

SCSS

$custom: #3c99bc;
$custom-light: #81b7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c99bc",
  "rgb": {
    "r": 60,
    "g": 153,
    "b": 188
  },
  "hsl": {
    "h": 196.406,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.64257,
    "c": 0.10063,
    "h": 226.6
  },
  "luminance": 0.27374
}

Semantic roles & 50–950 ramp

primary

#3C99BC

secondary

#C99C8B

accent

#744DDB

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3C99BC

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

Preview Lab → · Contrast checker → · Palette generator →