#3369BD#3369BD

#3369BD is a mid, vivid blue. Relative luminance 0.145; OKLCH L 52.8% C 0.144 H 259.0°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3369BD
RGB	rgb(51, 105, 189)
HSL	hsl(217, 58%, 47%)
HSV	hsv(217, 73%, 74%)
CMYK	cmyk(73%, 44.4%, 0%, 25.9%)
CIE-LAB	lab(44.91, 11.20, -49.39)
CIE-LCH	lch(44.91, 50.64, 282.77°)
OKLab	oklab(52.85% -0.0274 -0.1414)
OKLCH	oklch(52.85% 0.144 259)
XYZ	xyz(15.5988, 14.4794, 50.1070)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3369BD #BD8733

analogous

#33AEBD #3369BD #4233BD

triadic

#3369BD #BD3369 #69BD33

tetradic

#3369BD #BD33AE #BD8733 #33BD42

square

#3369BD #BD33AE #BD8733 #33BD42

split-complementary

#3369BD #BD4233 #AEBD33

monochromatic

#19335D #264E8D #3369BD #5B8AD3 #8BACE0

Accessibility & contrast

On white

5.39

#3369BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3369BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3369BD

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3369BD	#FFFFFF	#000000	##FFFFFF
##3369BD	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F71C0

Deuteranopia (green-blind)

#2464BB

Tritanopia (blue-blind)

#007D8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3369bd;
/* rgb */ color: rgb(51, 105, 189);
/* oklch */ color: oklch(52.8% 0.144 259.0);

Tailwind

colors: {
  custom: {
    50: '#7c93d1',
    500: '#3369bd',
    950: '#000000',
  },
}

SCSS

$custom: #3369bd;
$custom-light: #7c93d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3369bd",
  "rgb": {
    "r": 51,
    "g": 105,
    "b": 189
  },
  "hsl": {
    "h": 216.522,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52849,
    "c": 0.14402,
    "h": 259
  },
  "luminance": 0.14481
}

Semantic roles & 50–950 ramp

primary

#3369BD

secondary

#CAAE82

accent

#A547E1

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3369BD

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

Preview Lab → · Contrast checker → · Palette generator →