#3634B8#3634B8

#3634B8 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.5% C 0.200 H 274.5°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#3634B8
RGB	rgb(54, 52, 184)
HSL	hsl(241, 56%, 46%)
HSV	hsv(241, 72%, 72%)
CMYK	cmyk(70.7%, 71.7%, 0%, 27.8%)
CIE-LAB	lab(31.11, 43.49, -68.87)
CIE-LCH	lch(31.11, 81.46, 302.27°)
OKLab	oklab(42.46% 0.0155 -0.1991)
OKLCH	oklch(42.46% 0.2 274.5)
XYZ	xyz(11.3982, 6.6999, 46.0306)
Luminance	0.0670 (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

#3634B8 #B6B834

analogous

#3474B8 #3634B8 #7834B8

triadic

#3634B8 #B83634 #34B836

tetradic

#3634B8 #B83474 #B6B834 #34B878

square

#3634B8 #B83474 #B6B834 #34B878

split-complementary

#3634B8 #B87834 #74B834

monochromatic

#1A1959 #282788 #3634B8 #5B59D0 #8A89DE

Accessibility & contrast

On white

8.97

#3634B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3634B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3634B8

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3634B8	#FFFFFF	#000000	##FFFFFF
##3634B8	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBC

Deuteranopia (green-blind)

#0043B6

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3634b8;
/* rgb */ color: rgb(54, 52, 184);
/* oklch */ color: oklch(42.5% 0.200 274.5);

Tailwind

colors: {
  custom: {
    50: '#806dcf',
    500: '#3634b8',
    950: '#000000',
  },
}

SCSS

$custom: #3634b8;
$custom-light: #806dcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3634b8",
  "rgb": {
    "r": 54,
    "g": 52,
    "b": 184
  },
  "hsl": {
    "h": 240.909,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42455,
    "c": 0.19973,
    "h": 274.5
  },
  "luminance": 0.06701
}

Semantic roles & 50–950 ramp

primary

#3634B8

secondary

#C6C880

accent

#DF49DD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3634B8

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

Preview Lab → · Contrast checker → · Palette generator →