#3366A3#3366A3

#3366A3 is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.5% C 0.112 H 254.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3366A3
RGB	rgb(51, 102, 163)
HSL	hsl(213, 52%, 42%)
HSV	hsv(213, 69%, 64%)
CMYK	cmyk(68.7%, 37.4%, 0%, 36.1%)
CIE-LAB	lab(42.54, 3.48, -37.95)
CIE-LCH	lch(42.54, 38.11, 275.24°)
OKLab	oklab(50.52% -0.0303 -0.1079)
OKLCH	oklch(50.52% 0.112 254.3)
XYZ	xyz(12.7251, 12.8496, 36.4528)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3366A3 #A37033

analogous

#339EA3 #3366A3 #3833A3

triadic

#3366A3 #A33366 #66A333

tetradic

#3366A3 #A3339E #A37033 #33A338

square

#3366A3 #A3339E #A37033 #33A338

split-complementary

#3366A3 #A33833 #9EA333

monochromatic

#162C46 #244974 #3366A3 #4C84C7 #7BA4D6

Accessibility & contrast

On white

5.88

#3366A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3366A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3366A3

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3366A3	#FFFFFF	#000000	##FFFFFF
##3366A3	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B6AA5

Deuteranopia (green-blind)

#3A60A2

Tritanopia (blue-blind)

#00747D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3366a3;
/* rgb */ color: rgb(51, 102, 163);
/* oklch */ color: oklch(50.5% 0.112 254.3);

Tailwind

colors: {
  custom: {
    50: '#7791be',
    500: '#3366a3',
    950: '#000000',
  },
}

SCSS

$custom: #3366a3;
$custom-light: #7791be;
$custom-dark: #000000;

JSON

{
  "hex": "#3366a3",
  "rgb": {
    "r": 51,
    "g": 102,
    "b": 163
  },
  "hsl": {
    "h": 212.679,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.50517,
    "c": 0.11204,
    "h": 254.3
  },
  "luminance": 0.12851
}

Semantic roles & 50–950 ramp

primary

#3366A3

secondary

#BE9C73

accent

#9A4CDC

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3366A3

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

Preview Lab → · Contrast checker → · Palette generator →