#3645A2#3645A2

#3645A2 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.150 H 271.7°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#3645A2
RGB	rgb(54, 69, 162)
HSL	hsl(232, 50%, 42%)
HSV	hsv(232, 67%, 64%)
CMYK	cmyk(66.7%, 57.4%, 0%, 36.5%)
CIE-LAB	lab(33.24, 25.13, -52.26)
CIE-LCH	lch(33.24, 57.99, 295.68°)
OKLab	oklab(43.42% 0.0045 -0.1504)
OKLCH	oklch(43.42% 0.15 271.7)
XYZ	xyz(10.1688, 7.6482, 35.1158)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3645A2 #A29336

analogous

#367BA2 #3645A2 #5D36A2

triadic

#3645A2 #A23645 #45A236

tetradic

#3645A2 #A2367B #A29336 #36A25D

square

#3645A2 #A2367B #A29336 #36A25D

split-complementary

#3645A2 #A25D36 #7BA236

monochromatic

#171E46 #273174 #3645A2 #5061C5 #7E8AD4

Accessibility & contrast

On white

8.30

#3645A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3645A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3645A2

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3645A2	#FFFFFF	#000000	##FFFFFF
##3645A2	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A5

Deuteranopia (green-blind)

#0049A0

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3645a2;
/* rgb */ color: rgb(54, 69, 162);
/* oklch */ color: oklch(43.4% 0.150 271.7);

Tailwind

colors: {
  custom: {
    50: '#7a78be',
    500: '#3645a2',
    950: '#000000',
  },
}

SCSS

$custom: #3645a2;
$custom-light: #7a78be;
$custom-dark: #000000;

JSON

{
  "hex": "#3645a2",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 162
  },
  "hsl": {
    "h": 231.667,
    "s": 50,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4342,
    "c": 0.15042,
    "h": 271.7
  },
  "luminance": 0.07649
}

Semantic roles & 50–950 ramp

primary

#3645A2

secondary

#BDB377

accent

#C64EDA

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3645A2

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

Preview Lab → · Contrast checker → · Palette generator →