#3357BA#3357BA

#3357BA is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.8% C 0.162 H 265.6°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3357BA
RGB	rgb(51, 87, 186)
HSL	hsl(224, 57%, 46%)
HSV	hsv(224, 73%, 73%)
CMYK	cmyk(72.6%, 53.2%, 0%, 27.1%)
CIE-LAB	lab(39.69, 21.70, -56.06)
CIE-LCH	lch(39.69, 60.11, 291.16°)
OKLab	oklab(48.79% -0.0124 -0.1613)
OKLCH	oklch(48.79% 0.162 265.6)
XYZ	xyz(13.6333, 11.0639, 47.8619)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3357BA #BA9633

analogous

#339BBA #3357BA #5333BA

triadic

#3357BA #BA3357 #57BA33

tetradic

#3357BA #BA339B #BA9633 #33BA53

square

#3357BA #BA339B #BA9633 #33BA53

split-complementary

#3357BA #BA5333 #9BBA33

monochromatic

#192A5A #26418A #3357BA #5979D1 #89A0DF

Accessibility & contrast

On white

6.54

#3357BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3357BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3357BA

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3357BA	#FFFFFF	#000000	##FFFFFF
##3357BA	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F64BD

Deuteranopia (green-blind)

#0058B8

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3357ba;
/* rgb */ color: rgb(51, 87, 186);
/* oklch */ color: oklch(48.8% 0.162 265.6);

Tailwind

colors: {
  custom: {
    50: '#7c85cf',
    500: '#3357ba',
    950: '#000000',
  },
}

SCSS

$custom: #3357ba;
$custom-light: #7c85cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3357ba",
  "rgb": {
    "r": 51,
    "g": 87,
    "b": 186
  },
  "hsl": {
    "h": 224,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.48789,
    "c": 0.16179,
    "h": 265.6
  },
  "luminance": 0.11065
}

Semantic roles & 50–950 ramp

primary

#3357BA

secondary

#C9B580

accent

#B848E0

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3357BA

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

Preview Lab → · Contrast checker → · Palette generator →