#3354BB#3354BB

#3354BB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.3% C 0.167 H 266.6°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3354BB
RGB	rgb(51, 84, 187)
HSL	hsl(225, 57%, 47%)
HSV	hsv(225, 73%, 73%)
CMYK	cmyk(72.7%, 55.1%, 0%, 26.7%)
CIE-LAB	lab(38.95, 24.03, -57.83)
CIE-LCH	lch(38.95, 62.63, 292.56°)
OKLab	oklab(48.26% -0.0099 -0.1666)
OKLCH	oklch(48.26% 0.167 266.6)
XYZ	xyz(13.5021, 10.6309, 48.3445)
Luminance	0.1063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3354BB #BB9A33

analogous

#3398BB #3354BB #5633BB

triadic

#3354BB #BB3354 #54BB33

tetradic

#3354BB #BB3398 #BB9A33 #33BB56

square

#3354BB #BB3398 #BB9A33 #33BB56

split-complementary

#3354BB #BB5633 #98BB33

monochromatic

#19295B #263E8B #3354BB #5977D2 #899EDF

Accessibility & contrast

On white

6.72

#3354BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3354BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3354BB

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3354BB	#FFFFFF	#000000	##FFFFFF
##3354BB	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3354bb;
/* rgb */ color: rgb(51, 84, 187);
/* oklch */ color: oklch(48.3% 0.167 266.6);

Tailwind

colors: {
  custom: {
    50: '#7d83d0',
    500: '#3354bb',
    950: '#000000',
  },
}

SCSS

$custom: #3354bb;
$custom-light: #7d83d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3354bb",
  "rgb": {
    "r": 51,
    "g": 84,
    "b": 187
  },
  "hsl": {
    "h": 225.441,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.48256,
    "c": 0.16689,
    "h": 266.6
  },
  "luminance": 0.10632
}

Semantic roles & 50–950 ramp

primary

#3354BB

secondary

#C9B781

accent

#BB47E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3354BB

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

Preview Lab → · Contrast checker → · Palette generator →