#3634CF#3634CF

#3634CF is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.8% C 0.228 H 272.9°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3634CF
RGB	rgb(54, 52, 207)
HSL	hsl(241, 62%, 51%)
HSV	hsv(241, 75%, 81%)
CMYK	cmyk(73.9%, 74.9%, 0%, 18.8%)
CIE-LAB	lab(33.44, 50.99, -78.52)
CIE-LCH	lch(33.44, 93.62, 303.00°)
OKLab	oklab(44.81% 0.0114 -0.2272)
OKLCH	oklch(44.81% 0.228 272.9)
XYZ	xyz(14.0080, 7.7438, 59.7758)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.56

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3634CF #CDCF34

analogous

#347FCF #3634CF #8334CF

triadic

#3634CF #CF3634 #34CF36

tetradic

#3634CF #CF347F #CDCF34 #34CF83

square

#3634CF #CF347F #CDCF34 #34CF83

split-complementary

#3634CF #CF8334 #7FCF34

monochromatic

#1B1A6E #2726A0 #3634CF #6765DB #9897E6

Accessibility & contrast

On white

8.24

#3634CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3634CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3634CF

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3634CF	#FFFFFF	#000000	##FFFFFF
##3634CF	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056D3

Deuteranopia (green-blind)

#0047CC

Tritanopia (blue-blind)

#00627F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3634cf;
/* rgb */ color: rgb(54, 52, 207);
/* oklch */ color: oklch(44.8% 0.228 272.9);

Tailwind

colors: {
  custom: {
    50: '#856edf',
    500: '#3634cf',
    950: '#000000',
  },
}

SCSS

$custom: #3634cf;
$custom-light: #856edf;
$custom-dark: #000000;

JSON

{
  "hex": "#3634cf",
  "rgb": {
    "r": 54,
    "g": 52,
    "b": 207
  },
  "hsl": {
    "h": 240.774,
    "s": 61.753,
    "l": 50.784
  },
  "oklch": {
    "l": 0.44806,
    "c": 0.2275,
    "h": 272.9
  },
  "luminance": 0.07745
}

Semantic roles & 50–950 ramp

primary

#3634CF

secondary

#D1D28D

accent

#E543E3

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3634CF

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

Preview Lab → · Contrast checker → · Palette generator →