#3388CC#3388CC

#3388CC is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 60.8% C 0.131 H 246.6°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3388CC
RGB	rgb(51, 136, 204)
HSL	hsl(207, 60%, 50%)
HSV	hsv(207, 75%, 80%)
CMYK	cmyk(75%, 33.3%, 0%, 20%)
CIE-LAB	lab(54.73, -2.29, -42.37)
CIE-LCH	lch(54.73, 42.43, 266.90°)
OKLab	oklab(60.78% -0.052 -0.1203)
OKLCH	oklch(60.78% 0.131 246.6)
XYZ	xyz(21.0643, 22.6693, 60.3805)
Luminance	0.2267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3388CC #CC7733

analogous

#33CCC4 #3388CC #333BCC

triadic

#3388CC #CC3388 #88CC33

tetradic

#3388CC #C433CC #CC7733 #3BCC33

square

#3388CC #C433CC #CC7733 #3BCC33

split-complementary

#3388CC #CC333B #CCC433

monochromatic

#1B476A #27679B #3388CC #64A5D8 #95C1E4

Accessibility & contrast

On white

3.79

#3388CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#3388CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3388CC

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3388CC	#FFFFFF	#000000	##000000
##3388CC	1.00	3.79	5.53	5.53
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698BCF

Deuteranopia (green-blind)

#537DCB

Tritanopia (blue-blind)

#0098A0

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3388cc;
/* rgb */ color: rgb(51, 136, 204);
/* oklch */ color: oklch(60.8% 0.131 246.6);

Tailwind

colors: {
  custom: {
    50: '#7faadc',
    500: '#3388cc',
    950: '#000000',
  },
}

SCSS

$custom: #3388cc;
$custom-light: #7faadc;
$custom-dark: #000000;

JSON

{
  "hex": "#3388cc",
  "rgb": {
    "r": 51,
    "g": 136,
    "b": 204
  },
  "hsl": {
    "h": 206.667,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.6078,
    "c": 0.13108,
    "h": 246.6
  },
  "luminance": 0.22672
}

Semantic roles & 50–950 ramp

primary

#3388CC

secondary

#D0AA8B

accent

#8B45E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3388CC

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

Preview Lab → · Contrast checker → · Palette generator →