#3366AA#3366AA

#3366AA is a mid, vivid cyan. Relative luminance 0.131; OKLCH L 50.9% C 0.122 H 256.4°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3366AA
RGB	rgb(51, 102, 170)
HSL	hsl(214, 54%, 43%)
HSV	hsv(214, 70%, 67%)
CMYK	cmyk(70%, 40%, 0%, 33.3%)
CIE-LAB	lab(42.92, 6.05, -41.46)
CIE-LCH	lch(42.92, 41.90, 278.30°)
OKLab	oklab(50.95% -0.0285 -0.1182)
OKLCH	oklch(50.95% 0.122 256.4)
XYZ	xyz(13.3697, 13.1074, 39.8478)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3366AA #AA7733

analogous

#33A1AA #3366AA #3C33AA

triadic

#3366AA #AA3366 #66AA33

tetradic

#3366AA #AA33A1 #AA7733 #33AA3C

square

#3366AA #AA33A1 #AA7733 #33AA3C

split-complementary

#3366AA #AA3C33 #A1AA33

monochromatic

#172E4C #254A7B #3366AA #5084CA #7FA5D9

Accessibility & contrast

On white

5.80

#3366AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3366AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3366AA

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3366AA	#FFFFFF	#000000	##FFFFFF
##3366AA	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476BAD

Deuteranopia (green-blind)

#3460A9

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3366aa;
/* rgb */ color: rgb(51, 102, 170);
/* oklch */ color: oklch(50.9% 0.122 256.4);

Tailwind

colors: {
  custom: {
    50: '#7991c4',
    500: '#3366aa',
    950: '#000000',
  },
}

SCSS

$custom: #3366aa;
$custom-light: #7991c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3366aa",
  "rgb": {
    "r": 51,
    "g": 102,
    "b": 170
  },
  "hsl": {
    "h": 214.286,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50947,
    "c": 0.12157,
    "h": 256.4
  },
  "luminance": 0.13109
}

Semantic roles & 50–950 ramp

primary

#3366AA

secondary

#C2A277

accent

#9E4BDD

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3366AA

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

Preview Lab → · Contrast checker → · Palette generator →