#3399C0#3399C0

#3399C0 is a light, moderate cyan. Relative luminance 0.273; OKLCH L 64.2% C 0.108 H 227.9°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#3399C0
RGB	rgb(51, 153, 192)
HSL	hsl(197, 58%, 48%)
HSV	hsv(197, 73%, 75%)
CMYK	cmyk(73.4%, 20.3%, 0%, 24.7%)
CIE-LAB	lab(59.24, -16.08, -28.54)
CIE-LCH	lch(59.24, 32.76, 240.59°)
OKLab	oklab(64.18% -0.0723 -0.0801)
OKLCH	oklch(64.18% 0.108 227.9)
XYZ	xyz(22.2670, 27.2894, 53.9528)
Luminance	0.2729 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3399C0 #C05A33

analogous

#33C0A1 #3399C0 #3352C0

triadic

#3399C0 #C03399 #99C033

tetradic

#3399C0 #A133C0 #C05A33 #52C033

square

#3399C0 #A133C0 #C05A33 #52C033

split-complementary

#3399C0 #C03352 #C0A133

monochromatic

#194C5F #267290 #3399C0 #5CB3D4 #8DC9E1

Accessibility & contrast

On white

3.25

#3399C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#3399C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3399C0

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3399C0	#FFFFFF	#000000	##000000
##3399C0	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8496C2

Deuteranopia (green-blind)

#7189BF

Tritanopia (blue-blind)

#00A4A6

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3399c0;
/* rgb */ color: rgb(51, 153, 192);
/* oklch */ color: oklch(64.2% 0.108 227.9);

Tailwind

colors: {
  custom: {
    50: '#7eb7d3',
    500: '#3399c0',
    950: '#000000',
  },
}

SCSS

$custom: #3399c0;
$custom-light: #7eb7d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3399c0",
  "rgb": {
    "r": 51,
    "g": 153,
    "b": 192
  },
  "hsl": {
    "h": 196.596,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.64183,
    "c": 0.10785,
    "h": 227.9
  },
  "luminance": 0.27292
}

Semantic roles & 50–950 ramp

primary

#3399C0

secondary

#CB9884

accent

#7147E1

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #3399C0

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

Preview Lab → · Contrast checker → · Palette generator →