#3355B2#3355B2

#3355B2 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.153 H 265.7°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#3355B2
RGB	rgb(51, 85, 178)
HSL	hsl(224, 55%, 45%)
HSV	hsv(224, 71%, 70%)
CMYK	cmyk(71.3%, 52.2%, 0%, 30.2%)
CIE-LAB	lab(38.58, 20.02, -53.15)
CIE-LCH	lch(38.58, 56.80, 290.64°)
OKLab	oklab(47.77% -0.0114 -0.1528)
OKLCH	oklch(47.77% 0.153 265.7)
XYZ	xyz(12.6468, 10.4139, 43.4544)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3355B2 #B29033

analogous

#3395B2 #3355B2 #5033B2

triadic

#3355B2 #B23355 #55B233

tetradic

#3355B2 #B23395 #B29033 #33B250

square

#3355B2 #B23395 #B29033 #33B250

split-complementary

#3355B2 #B25033 #95B233

monochromatic

#182853 #253E82 #3355B2 #5475CE #849BDC

Accessibility & contrast

On white

6.81

#3355B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3355B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3355B2

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3355B2	#FFFFFF	#000000	##FFFFFF
##3355B2	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1961B5

Deuteranopia (green-blind)

#0055B0

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3355b2;
/* rgb */ color: rgb(51, 85, 178);
/* oklch */ color: oklch(47.8% 0.153 265.7);

Tailwind

colors: {
  custom: {
    50: '#7b84ca',
    500: '#3355b2',
    950: '#000000',
  },
}

SCSS

$custom: #3355b2;
$custom-light: #7b84ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3355b2",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 178
  },
  "hsl": {
    "h": 223.937,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47766,
    "c": 0.15325,
    "h": 265.7
  },
  "luminance": 0.10415
}

Semantic roles & 50–950 ramp

primary

#3355B2

secondary

#C5B17C

accent

#B749DF

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3355B2

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

Preview Lab → · Contrast checker → · Palette generator →