#3634BD#3634BD

#3634BD is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.0% C 0.206 H 274.1°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#3634BD
RGB	rgb(54, 52, 189)
HSL	hsl(241, 57%, 47%)
HSV	hsv(241, 72%, 74%)
CMYK	cmyk(71.4%, 72.5%, 0%, 25.9%)
CIE-LAB	lab(31.61, 45.15, -71.01)
CIE-LCH	lch(31.61, 84.15, 302.45°)
OKLab	oklab(42.96% 0.0147 -0.2054)
OKLCH	oklch(42.96% 0.206 274.1)
XYZ	xyz(11.9316, 6.9132, 48.8398)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.89

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3634BD #BBBD34

analogous

#3477BD #3634BD #7B34BD

triadic

#3634BD #BD3634 #34BD36

tetradic

#3634BD #BD3477 #BBBD34 #34BD7B

square

#3634BD #BD3477 #BBBD34 #34BD7B

split-complementary

#3634BD #BD7B34 #77BD34

monochromatic

#1B1A5D #28278D #3634BD #5E5CD2 #8D8CDF

Accessibility & contrast

On white

8.81

#3634BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3634BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3634BD

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3634BD	#FFFFFF	#000000	##FFFFFF
##3634BD	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C1

Deuteranopia (green-blind)

#0044BB

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3634bd;
/* rgb */ color: rgb(54, 52, 189);
/* oklch */ color: oklch(43.0% 0.206 274.1);

Tailwind

colors: {
  custom: {
    50: '#816dd2',
    500: '#3634bd',
    950: '#000000',
  },
}

SCSS

$custom: #3634bd;
$custom-light: #816dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3634bd",
  "rgb": {
    "r": 54,
    "g": 52,
    "b": 189
  },
  "hsl": {
    "h": 240.876,
    "s": 56.846,
    "l": 47.255
  },
  "oklch": {
    "l": 0.42957,
    "c": 0.20589,
    "h": 274.1
  },
  "luminance": 0.06914
}

Semantic roles & 50–950 ramp

primary

#3634BD

secondary

#C9CA83

accent

#E048DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3634BD

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

Preview Lab → · Contrast checker → · Palette generator →