#3634CB#3634CB

#3634CB is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.4% C 0.223 H 273.1°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#3634CB
RGB	rgb(54, 52, 203)
HSL	hsl(241, 59%, 50%)
HSV	hsv(241, 74%, 80%)
CMYK	cmyk(73.4%, 74.4%, 0%, 20.4%)
CIE-LAB	lab(33.03, 49.71, -76.88)
CIE-LCH	lch(33.03, 91.55, 302.89°)
OKLab	oklab(44.39% 0.0122 -0.2224)
OKLCH	oklch(44.39% 0.223 273.1)
XYZ	xyz(13.5252, 7.5507, 57.2330)
Luminance	0.0755 (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

#3634CB #C9CB34

analogous

#347DCB #3634CB #8234CB

triadic

#3634CB #CB3634 #34CB36

tetradic

#3634CB #CB347D #C9CB34 #34CB82

square

#3634CB #CB347D #C9CB34 #34CB82

split-complementary

#3634CB #CB8234 #7DCB34

monochromatic

#1C1B6A #29289A #3634CB #6665D7 #9695E4

Accessibility & contrast

On white

8.37

#3634CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3634CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3634CB

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3634CB	#FFFFFF	#000000	##FFFFFF
##3634CB	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CF

Deuteranopia (green-blind)

#0046C8

Tritanopia (blue-blind)

#00607D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3634cb;
/* rgb */ color: rgb(54, 52, 203);
/* oklch */ color: oklch(44.4% 0.223 273.1);

Tailwind

colors: {
  custom: {
    50: '#846edc',
    500: '#3634cb',
    950: '#000000',
  },
}

SCSS

$custom: #3634cb;
$custom-light: #846edc;
$custom-dark: #000000;

JSON

{
  "hex": "#3634cb",
  "rgb": {
    "r": 54,
    "g": 52,
    "b": 203
  },
  "hsl": {
    "h": 240.795,
    "s": 59.216,
    "l": 50
  },
  "oklch": {
    "l": 0.4439,
    "c": 0.22277,
    "h": 273.1
  },
  "luminance": 0.07552
}

Semantic roles & 50–950 ramp

primary

#3634CB

secondary

#CECF8C

accent

#E245E0

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3634CB

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

Preview Lab → · Contrast checker → · Palette generator →