#3366A8#3366A8

#3366A8 is a mid, moderate cyan. Relative luminance 0.130; OKLCH L 50.8% C 0.119 H 255.9°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3366A8
RGB	rgb(51, 102, 168)
HSL	hsl(214, 53%, 43%)
HSV	hsv(214, 70%, 66%)
CMYK	cmyk(69.6%, 39.3%, 0%, 34.1%)
CIE-LAB	lab(42.81, 5.31, -40.46)
CIE-LCH	lch(42.81, 40.81, 277.48°)
OKLab	oklab(50.82% -0.029 -0.1152)
OKLCH	oklch(50.82% 0.119 255.9)
XYZ	xyz(13.1819, 13.0323, 38.8590)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3366A8 #A87533

analogous

#33A0A8 #3366A8 #3A33A8

triadic

#3366A8 #A83366 #66A833

tetradic

#3366A8 #A833A0 #A87533 #33A83A

square

#3366A8 #A833A0 #A87533 #33A83A

split-complementary

#3366A8 #A83A33 #A0A833

monochromatic

#162D4A #254979 #3366A8 #4F84C9 #7EA5D8

Accessibility & contrast

On white

5.82

#3366A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3366A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3366A8

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3366A8	#FFFFFF	#000000	##FFFFFF
##3366A8	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486BAB

Deuteranopia (green-blind)

#3660A7

Tritanopia (blue-blind)

#00757F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3366a8;
/* rgb */ color: rgb(51, 102, 168);
/* oklch */ color: oklch(50.8% 0.119 255.9);

Tailwind

colors: {
  custom: {
    50: '#7891c2',
    500: '#3366a8',
    950: '#000000',
  },
}

SCSS

$custom: #3366a8;
$custom-light: #7891c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3366a8",
  "rgb": {
    "r": 51,
    "g": 102,
    "b": 168
  },
  "hsl": {
    "h": 213.846,
    "s": 53.425,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50822,
    "c": 0.11884,
    "h": 255.9
  },
  "luminance": 0.13034
}

Semantic roles & 50–950 ramp

primary

#3366A8

secondary

#C1A076

accent

#9D4BDD

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3366A8

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

Preview Lab → · Contrast checker → · Palette generator →