#3646B8#3646B8

#3646B8 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.5% C 0.179 H 271.2°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3646B8
RGB	rgb(54, 70, 184)
HSL	hsl(233, 55%, 47%)
HSV	hsv(233, 71%, 72%)
CMYK	cmyk(70.7%, 62%, 0%, 27.8%)
CIE-LAB	lab(35.25, 32.41, -62.09)
CIE-LCH	lch(35.25, 70.04, 297.57°)
OKLab	oklab(45.46% 0.0036 -0.1792)
OKLCH	oklch(45.46% 0.179 271.2)
XYZ	xyz(12.3603, 8.6241, 46.3513)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.76

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3646B8 #B8A836

analogous

#3687B8 #3646B8 #6736B8

triadic

#3646B8 #B83646 #46B836

tetradic

#3646B8 #B83687 #B8A836 #36B867

square

#3646B8 #B83687 #B8A836 #36B867

split-complementary

#3646B8 #B86736 #87B836

monochromatic

#1A2259 #283489 #3646B8 #5C6ACF #8B95DD

Accessibility & contrast

On white

7.71

#3646B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3646B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3646B8

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3646B8	#FFFFFF	#000000	##FFFFFF
##3646B8	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BC

Deuteranopia (green-blind)

#004DB6

Tritanopia (blue-blind)

#006378

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3646b8;
/* rgb */ color: rgb(54, 70, 184);
/* oklch */ color: oklch(45.5% 0.179 271.2);

Tailwind

colors: {
  custom: {
    50: '#7e79ce',
    500: '#3646b8',
    950: '#000000',
  },
}

SCSS

$custom: #3646b8;
$custom-light: #7e79ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3646b8",
  "rgb": {
    "r": 54,
    "g": 70,
    "b": 184
  },
  "hsl": {
    "h": 232.615,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.45462,
    "c": 0.17926,
    "h": 271.2
  },
  "luminance": 0.08625
}

Semantic roles & 50–950 ramp

primary

#3646B8

secondary

#C7BF82

accent

#CC4ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3646B8

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

Preview Lab → · Contrast checker → · Palette generator →