#3369DA#3369DA

#3369DA is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.9% C 0.183 H 262.7°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3369DA
RGB	rgb(51, 105, 218)
HSL	hsl(221, 69%, 53%)
HSV	hsv(221, 77%, 85%)
CMYK	cmyk(76.6%, 51.8%, 0%, 14.5%)
CIE-LAB	lab(46.80, 22.01, -62.99)
CIE-LCH	lch(46.80, 66.73, 289.26°)
OKLab	oklab(54.9% -0.0232 -0.1814)
OKLCH	oklch(54.9% 0.183 262.7)
XYZ	xyz(19.0672, 15.8667, 68.3738)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3369DA #DAA433

analogous

#33BCDA #3369DA #5033DA

triadic

#3369DA #DA3369 #69DA33

tetradic

#3369DA #DA33BC #DAA433 #33DA50

square

#3369DA #DA33BC #DAA433 #33DA50

split-complementary

#3369DA #DA5033 #BCDA33

monochromatic

#17377C #204EB0 #3369DA #678FE3 #9BB5ED

Accessibility & contrast

On white

5.03

#3369DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#3369DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3369DA

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3369DA	#FFFFFF	#000000	##FFFFFF
##3369DA	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A77DE

Deuteranopia (green-blind)

#0068D8

Tritanopia (blue-blind)

#008497

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3369da;
/* rgb */ color: rgb(51, 105, 218);
/* oklch */ color: oklch(54.9% 0.183 262.7);

Tailwind

colors: {
  custom: {
    50: '#8393e6',
    500: '#3369da',
    950: '#000000',
  },
}

SCSS

$custom: #3369da;
$custom-light: #8393e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3369da",
  "rgb": {
    "r": 51,
    "g": 105,
    "b": 218
  },
  "hsl": {
    "h": 220.599,
    "s": 69.295,
    "l": 52.745
  },
  "oklch": {
    "l": 0.54898,
    "c": 0.1829,
    "h": 262.7
  },
  "luminance": 0.15869
}

Semantic roles & 50–950 ramp

primary

#3369DA

secondary

#D9C190

accent

#B33CEC

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0D16

muted

#7D7D84

Preview Lab

Preview with #3369DA

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

Preview Lab → · Contrast checker → · Palette generator →