#3634B7#3634B7

#3634B7 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.4% C 0.198 H 274.5°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#3634B7
RGB	rgb(54, 52, 183)
HSL	hsl(241, 56%, 46%)
HSV	hsv(241, 72%, 72%)
CMYK	cmyk(70.5%, 71.6%, 0%, 28.2%)
CIE-LAB	lab(31.02, 43.16, -68.44)
CIE-LCH	lch(31.02, 80.91, 302.23°)
OKLab	oklab(42.36% 0.0157 -0.1979)
OKLCH	oklch(42.36% 0.198 274.5)
XYZ	xyz(11.2937, 6.6581, 45.4805)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3634B7 #B5B734

analogous

#3473B7 #3634B7 #7734B7

triadic

#3634B7 #B73634 #34B736

tetradic

#3634B7 #B73473 #B5B734 #34B777

square

#3634B7 #B73473 #B5B734 #34B777

split-complementary

#3634B7 #B77734 #73B734

monochromatic

#1A1958 #282687 #3634B7 #5A59D0 #8988DD

Accessibility & contrast

On white

9.01

#3634B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3634B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3634B7

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3634B7	#FFFFFF	#000000	##FFFFFF
##3634B7	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBB

Deuteranopia (green-blind)

#0043B5

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3634b7;
/* rgb */ color: rgb(54, 52, 183);
/* oklch */ color: oklch(42.4% 0.198 274.5);

Tailwind

colors: {
  custom: {
    50: '#806dce',
    500: '#3634b7',
    950: '#000000',
  },
}

SCSS

$custom: #3634b7;
$custom-light: #806dce;
$custom-dark: #000000;

JSON

{
  "hex": "#3634b7",
  "rgb": {
    "r": 54,
    "g": 52,
    "b": 183
  },
  "hsl": {
    "h": 240.916,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42355,
    "c": 0.19849,
    "h": 274.5
  },
  "luminance": 0.06659
}

Semantic roles & 50–950 ramp

primary

#3634B7

secondary

#C6C780

accent

#DF49DD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3634B7

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

Preview Lab → · Contrast checker → · Palette generator →