#3356B3#3356B3

#3356B3 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.1% C 0.153 H 265.4°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3356B3
RGB	rgb(51, 86, 179)
HSL	hsl(224, 56%, 45%)
HSV	hsv(224, 72%, 70%)
CMYK	cmyk(71.5%, 52%, 0%, 29.8%)
CIE-LAB	lab(38.92, 19.74, -53.19)
CIE-LCH	lch(38.92, 56.73, 290.36°)
OKLab	oklab(48.05% -0.0122 -0.1529)
OKLCH	oklch(48.05% 0.153 265.4)
XYZ	xyz(12.8269, 10.6127, 44.0116)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3356B3 #B39033

analogous

#3396B3 #3356B3 #5033B3

triadic

#3356B3 #B33356 #56B333

tetradic

#3356B3 #B33396 #B39033 #33B350

square

#3356B3 #B33396 #B39033 #33B350

split-complementary

#3356B3 #B35033 #96B333

monochromatic

#182854 #253F83 #3356B3 #5576CE #849CDC

Accessibility & contrast

On white

6.72

#3356B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3356B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3356B3

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3356B3	#FFFFFF	#000000	##FFFFFF
##3356B3	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A62B6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3356b3;
/* rgb */ color: rgb(51, 86, 179);
/* oklch */ color: oklch(48.1% 0.153 265.4);

Tailwind

colors: {
  custom: {
    50: '#7b85ca',
    500: '#3356b3',
    950: '#000000',
  },
}

SCSS

$custom: #3356b3;
$custom-light: #7b85ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3356b3",
  "rgb": {
    "r": 51,
    "g": 86,
    "b": 179
  },
  "hsl": {
    "h": 223.594,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48051,
    "c": 0.15338,
    "h": 265.4
  },
  "luminance": 0.10614
}

Semantic roles & 50–950 ramp

primary

#3356B3

secondary

#C6B27C

accent

#B649DF

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3356B3

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

Preview Lab → · Contrast checker → · Palette generator →