#3643A2#3643A2

#3643A2 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.153 H 272.4°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3643A2
RGB	rgb(54, 67, 162)
HSL	hsl(233, 50%, 42%)
HSV	hsv(233, 67%, 64%)
CMYK	cmyk(66.7%, 58.6%, 0%, 36.5%)
CIE-LAB	lab(32.71, 26.44, -53.11)
CIE-LCH	lch(32.71, 59.33, 296.47°)
OKLab	oklab(43.03% 0.0063 -0.1529)
OKLCH	oklch(43.03% 0.153 272.4)
XYZ	xyz(10.0479, 7.4063, 35.0755)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3643A2 #A29536

analogous

#3679A2 #3643A2 #5F36A2

triadic

#3643A2 #A23643 #43A236

tetradic

#3643A2 #A23679 #A29536 #36A25F

square

#3643A2 #A23679 #A29536 #36A25F

split-complementary

#3643A2 #A25F36 #79A236

monochromatic

#171D46 #273074 #3643A2 #505EC5 #7E89D4

Accessibility & contrast

On white

8.46

#3643A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3643A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3643A2

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3643A2	#FFFFFF	#000000	##FFFFFF
##3643A2	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A5

Deuteranopia (green-blind)

#0048A0

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3643a2;
/* rgb */ color: rgb(54, 67, 162);
/* oklch */ color: oklch(43.0% 0.153 272.4);

Tailwind

colors: {
  custom: {
    50: '#7a77be',
    500: '#3643a2',
    950: '#000000',
  },
}

SCSS

$custom: #3643a2;
$custom-light: #7a77be;
$custom-dark: #000000;

JSON

{
  "hex": "#3643a2",
  "rgb": {
    "r": 54,
    "g": 67,
    "b": 162
  },
  "hsl": {
    "h": 232.778,
    "s": 50,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43029,
    "c": 0.15301,
    "h": 272.4
  },
  "luminance": 0.07407
}

Semantic roles & 50–950 ramp

primary

#3643A2

secondary

#BDB577

accent

#C94EDA

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3643A2

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

Preview Lab → · Contrast checker → · Palette generator →