#3634BE#3634BE

#3634BE is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.1% C 0.207 H 274.0°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#3634BE
RGB	rgb(54, 52, 190)
HSL	hsl(241, 57%, 47%)
HSV	hsv(241, 73%, 75%)
CMYK	cmyk(71.6%, 72.6%, 0%, 25.5%)
CIE-LAB	lab(31.71, 45.48, -71.44)
CIE-LCH	lch(31.71, 84.68, 302.48°)
OKLab	oklab(43.06% 0.0145 -0.2066)
OKLCH	oklch(43.06% 0.207 274)
XYZ	xyz(12.0405, 6.9568, 49.4135)
Luminance	0.0696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.98

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3634BE #BCBE34

analogous

#3477BE #3634BE #7B34BE

triadic

#3634BE #BE3634 #34BE36

tetradic

#3634BE #BE3477 #BCBE34 #34BE7B

square

#3634BE #BE3477 #BCBE34 #34BE7B

split-complementary

#3634BE #BE7B34 #77BE34

monochromatic

#1B1A5E #28278E #3634BE #5E5DD3 #8E8DE0

Accessibility & contrast

On white

8.78

#3634BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3634BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3634BE

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3634BE	#FFFFFF	#000000	##FFFFFF
##3634BE	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C2

Deuteranopia (green-blind)

#0044BC

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3634be;
/* rgb */ color: rgb(54, 52, 190);
/* oklch */ color: oklch(43.1% 0.207 274.0);

Tailwind

colors: {
  custom: {
    50: '#816dd3',
    500: '#3634be',
    950: '#000000',
  },
}

SCSS

$custom: #3634be;
$custom-light: #816dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3634be",
  "rgb": {
    "r": 54,
    "g": 52,
    "b": 190
  },
  "hsl": {
    "h": 240.87,
    "s": 57.025,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43058,
    "c": 0.20712,
    "h": 274
  },
  "luminance": 0.06958
}

Semantic roles & 50–950 ramp

primary

#3634BE

secondary

#C9CA84

accent

#E048DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3634BE

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

Preview Lab → · Contrast checker → · Palette generator →