#3645B6#3645B6

#3645B6 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.1% C 0.178 H 271.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3645B6
RGB	rgb(54, 69, 182)
HSL	hsl(233, 54%, 46%)
HSV	hsv(233, 70%, 71%)
CMYK	cmyk(70.3%, 62.1%, 0%, 28.6%)
CIE-LAB	lab(34.84, 32.34, -61.59)
CIE-LCH	lch(34.84, 69.56, 297.70°)
OKLab	oklab(45.11% 0.0045 -0.1777)
OKLCH	oklch(45.11% 0.178 271.4)
XYZ	xyz(12.0901, 8.4167, 45.2343)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3645B6 #B6A736

analogous

#3685B6 #3645B6 #6736B6

triadic

#3645B6 #B63645 #45B636

tetradic

#3645B6 #B63685 #B6A736 #36B667

square

#3645B6 #B63685 #B6A736 #36B667

split-complementary

#3645B6 #B66736 #85B636

monochromatic

#1A2158 #283387 #3645B6 #5B68CE #8A94DC

Accessibility & contrast

On white

7.83

#3645B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3645B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3645B6

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3645B6	#FFFFFF	#000000	##FFFFFF
##3645B6	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BA

Deuteranopia (green-blind)

#004CB4

Tritanopia (blue-blind)

#006277

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3645b6;
/* rgb */ color: rgb(54, 69, 182);
/* oklch */ color: oklch(45.1% 0.178 271.4);

Tailwind

colors: {
  custom: {
    50: '#7e78cd',
    500: '#3645b6',
    950: '#000000',
  },
}

SCSS

$custom: #3645b6;
$custom-light: #7e78cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3645b6",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 182
  },
  "hsl": {
    "h": 232.969,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45105,
    "c": 0.17781,
    "h": 271.4
  },
  "luminance": 0.08418
}

Semantic roles & 50–950 ramp

primary

#3645B6

secondary

#C6BE81

accent

#CC4ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3645B6

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

Preview Lab → · Contrast checker → · Palette generator →