#3366AC#3366AC

#3366AC is a mid, vivid cyan. Relative luminance 0.132; OKLCH L 51.1% C 0.124 H 256.9°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3366AC
RGB	rgb(51, 102, 172)
HSL	hsl(215, 54%, 44%)
HSV	hsv(215, 70%, 67%)
CMYK	cmyk(70.3%, 40.7%, 0%, 32.5%)
CIE-LAB	lab(43.04, 6.79, -42.46)
CIE-LCH	lch(43.04, 43.00, 279.08°)
OKLab	oklab(51.07% -0.0281 -0.1211)
OKLCH	oklch(51.07% 0.124 256.9)
XYZ	xyz(13.5603, 13.1837, 40.8518)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3366AC #AC7933

analogous

#33A2AC #3366AC #3C33AC

triadic

#3366AC #AC3366 #66AC33

tetradic

#3366AC #AC33A2 #AC7933 #33AC3C

square

#3366AC #AC33A2 #AC7933 #33AC3C

split-complementary

#3366AC #AC3C33 #A2AC33

monochromatic

#172E4E #254A7D #3366AC #5184CB #80A6D9

Accessibility & contrast

On white

5.77

#3366AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3366AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3366AC

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3366AC	#FFFFFF	#000000	##FFFFFF
##3366AC	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#466CAF

Deuteranopia (green-blind)

#3260AB

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3366ac;
/* rgb */ color: rgb(51, 102, 172);
/* oklch */ color: oklch(51.1% 0.124 256.9);

Tailwind

colors: {
  custom: {
    50: '#7991c5',
    500: '#3366ac',
    950: '#000000',
  },
}

SCSS

$custom: #3366ac;
$custom-light: #7991c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3366ac",
  "rgb": {
    "r": 51,
    "g": 102,
    "b": 172
  },
  "hsl": {
    "h": 214.711,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51072,
    "c": 0.1243,
    "h": 256.9
  },
  "luminance": 0.13185
}

Semantic roles & 50–950 ramp

primary

#3366AC

secondary

#C2A378

accent

#9F4ADE

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3366AC

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

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