#3369B7#3369B7

#3369B7 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.5% C 0.136 H 257.9°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#3369B7
RGB	rgb(51, 105, 183)
HSL	hsl(215, 56%, 46%)
HSV	hsv(215, 72%, 72%)
CMYK	cmyk(72.1%, 42.6%, 0%, 28.2%)
CIE-LAB	lab(44.55, 8.96, -46.48)
CIE-LCH	lch(44.55, 47.33, 280.92°)
OKLab	oklab(52.46% -0.0286 -0.1328)
OKLCH	oklch(52.46% 0.136 257.9)
XYZ	xyz(14.9609, 14.2242, 46.7476)
Luminance	0.1423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3369B7 #B78133

analogous

#33ABB7 #3369B7 #3F33B7

triadic

#3369B7 #B73369 #69B733

tetradic

#3369B7 #B733AB #B78133 #33B73F

square

#3369B7 #B733AB #B78133 #33B73F

split-complementary

#3369B7 #B73F33 #ABB733

monochromatic

#183257 #264E87 #3369B7 #5789D0 #87AADE

Accessibility & contrast

On white

5.46

#3369B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3369B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3369B7

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3369B7	#FFFFFF	#000000	##FFFFFF
##3369B7	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4370BA

Deuteranopia (green-blind)

#2D64B5

Tritanopia (blue-blind)

#007B87

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3369b7;
/* rgb */ color: rgb(51, 105, 183);
/* oklch */ color: oklch(52.5% 0.136 257.9);

Tailwind

colors: {
  custom: {
    50: '#7b93cd',
    500: '#3369b7',
    950: '#000000',
  },
}

SCSS

$custom: #3369b7;
$custom-light: #7b93cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3369b7",
  "rgb": {
    "r": 51,
    "g": 105,
    "b": 183
  },
  "hsl": {
    "h": 215.455,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52455,
    "c": 0.13588,
    "h": 257.9
  },
  "luminance": 0.14226
}

Semantic roles & 50–950 ramp

primary

#3369B7

secondary

#C7AA7F

accent

#A248E0

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3369B7

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

Preview Lab → · Contrast checker → · Palette generator →