#3634AB#3634AB

#3634AB is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.2% C 0.183 H 275.5°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#3634AB
RGB	rgb(54, 52, 171)
HSL	hsl(241, 53%, 44%)
HSV	hsv(241, 70%, 67%)
CMYK	cmyk(68.4%, 69.6%, 0%, 32.9%)
CIE-LAB	lab(29.86, 39.13, -63.18)
CIE-LCH	lch(29.86, 74.32, 301.77°)
OKLab	oklab(41.18% 0.0175 -0.1825)
OKLCH	oklch(41.18% 0.183 275.5)
XYZ	xyz(10.0976, 6.1796, 39.1808)
Luminance	0.0618 (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

#3634AB #A9AB34

analogous

#346DAB #3634AB #7134AB

triadic

#3634AB #AB3634 #34AB36

tetradic

#3634AB #AB346D #A9AB34 #34AB71

square

#3634AB #AB346D #A9AB34 #34AB71

split-complementary

#3634AB #AB7134 #6DAB34

monochromatic

#18174D #27267C #3634AB #5452CA #8281D9

Accessibility & contrast

On white

9.39

#3634AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#3634AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3634AB

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3634AB	#FFFFFF	#000000	##FFFFFF
##3634AB	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAF

Deuteranopia (green-blind)

#0041A9

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3634ab;
/* rgb */ color: rgb(54, 52, 171);
/* oklch */ color: oklch(41.2% 0.183 275.5);

Tailwind

colors: {
  custom: {
    50: '#7d6cc5',
    500: '#3634ab',
    950: '#000000',
  },
}

SCSS

$custom: #3634ab;
$custom-light: #7d6cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3634ab",
  "rgb": {
    "r": 54,
    "g": 52,
    "b": 171
  },
  "hsl": {
    "h": 241.008,
    "s": 53.363,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41177,
    "c": 0.18335,
    "h": 275.5
  },
  "luminance": 0.06181
}

Semantic roles & 50–950 ramp

primary

#3634AB

secondary

#C1C279

accent

#DD4BDA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3634AB

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

Preview Lab → · Contrast checker → · Palette generator →