#3356BB#3356BB

#3356BB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.7% C 0.164 H 266.0°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3356BB
RGB	rgb(51, 86, 187)
HSL	hsl(225, 57%, 47%)
HSV	hsv(225, 73%, 73%)
CMYK	cmyk(72.7%, 54%, 0%, 26.7%)
CIE-LAB	lab(39.49, 22.72, -56.96)
CIE-LCH	lch(39.49, 61.33, 291.75°)
OKLab	oklab(48.66% -0.0115 -0.164)
OKLCH	oklch(48.66% 0.164 266)
XYZ	xyz(13.6595, 10.9458, 48.3969)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3356BB #BB9833

analogous

#339ABB #3356BB #5433BB

triadic

#3356BB #BB3356 #56BB33

tetradic

#3356BB #BB339A #BB9833 #33BB54

square

#3356BB #BB339A #BB9833 #33BB54

split-complementary

#3356BB #BB5433 #9ABB33

monochromatic

#192A5B #26408B #3356BB #5978D2 #899FDF

Accessibility & contrast

On white

6.58

#3356BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3356BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3356BB

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3356BB	#FFFFFF	#000000	##FFFFFF
##3356BB	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0464BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3356bb;
/* rgb */ color: rgb(51, 86, 187);
/* oklch */ color: oklch(48.7% 0.164 266.0);

Tailwind

colors: {
  custom: {
    50: '#7d85d0',
    500: '#3356bb',
    950: '#000000',
  },
}

SCSS

$custom: #3356bb;
$custom-light: #7d85d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3356bb",
  "rgb": {
    "r": 51,
    "g": 86,
    "b": 187
  },
  "hsl": {
    "h": 224.559,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48662,
    "c": 0.1644,
    "h": 266
  },
  "luminance": 0.10947
}

Semantic roles & 50–950 ramp

primary

#3356BB

secondary

#C9B681

accent

#B947E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3356BB

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

Preview Lab → · Contrast checker → · Palette generator →