#3355BA#3355BA

#3355BA is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.4% C 0.164 H 266.3°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3355BA
RGB	rgb(51, 85, 186)
HSL	hsl(225, 57%, 46%)
HSV	hsv(225, 73%, 73%)
CMYK	cmyk(72.6%, 54.3%, 0%, 27.1%)
CIE-LAB	lab(39.15, 23.00, -56.93)
CIE-LCH	lch(39.15, 61.40, 292.00°)
OKLab	oklab(48.38% -0.0107 -0.1639)
OKLCH	oklch(48.38% 0.164 266.3)
XYZ	xyz(13.4736, 10.7446, 47.8087)
Luminance	0.1075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3355BA #BA9833

analogous

#3399BA #3355BA #5533BA

triadic

#3355BA #BA3355 #55BA33

tetradic

#3355BA #BA3399 #BA9833 #33BA55

square

#3355BA #BA3399 #BA9833 #33BA55

split-complementary

#3355BA #BA5533 #99BA33

monochromatic

#19295A #263F8A #3355BA #5977D1 #899EDF

Accessibility & contrast

On white

6.67

#3355BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3355BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3355BA

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3355BA	#FFFFFF	#000000	##FFFFFF
##3355BA	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BE

Deuteranopia (green-blind)

#0056B8

Tritanopia (blue-blind)

#006E7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3355ba;
/* rgb */ color: rgb(51, 85, 186);
/* oklch */ color: oklch(48.4% 0.164 266.3);

Tailwind

colors: {
  custom: {
    50: '#7d84cf',
    500: '#3355ba',
    950: '#000000',
  },
}

SCSS

$custom: #3355ba;
$custom-light: #7d84cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3355ba",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 186
  },
  "hsl": {
    "h": 224.889,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4838,
    "c": 0.16428,
    "h": 266.3
  },
  "luminance": 0.10746
}

Semantic roles & 50–950 ramp

primary

#3355BA

secondary

#C9B680

accent

#BA48E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3355BA

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

Preview Lab → · Contrast checker → · Palette generator →