#3633CE#3633CE

#3633CE is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.6% C 0.227 H 273.0°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#3633CE
RGB	rgb(54, 51, 206)
HSL	hsl(241, 61%, 50%)
HSV	hsv(241, 75%, 81%)
CMYK	cmyk(73.8%, 75.2%, 0%, 19.2%)
CIE-LAB	lab(33.15, 51.21, -78.42)
CIE-LCH	lch(33.15, 93.66, 303.14°)
OKLab	oklab(44.57% 0.0121 -0.2269)
OKLCH	oklch(44.57% 0.227 273)
XYZ	xyz(13.8420, 7.6067, 59.1193)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.65

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3633CE #CBCE33

analogous

#337ECE #3633CE #8333CE

triadic

#3633CE #CE3633 #33CE36

tetradic

#3633CE #CE337E #CBCE33 #33CE83

square

#3633CE #CE337E #CBCE33 #33CE83

split-complementary

#3633CE #CE8333 #7ECE33

monochromatic

#1C1A6D #28269E #3633CE #6764DA #9796E6

Accessibility & contrast

On white

8.33

#3633CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#3633CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633CE

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3633CE	#FFFFFF	#000000	##FFFFFF
##3633CE	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D2

Deuteranopia (green-blind)

#0046CB

Tritanopia (blue-blind)

#00617F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3633ce;
/* rgb */ color: rgb(54, 51, 206);
/* oklch */ color: oklch(44.6% 0.227 273.0);

Tailwind

colors: {
  custom: {
    50: '#856dde',
    500: '#3633ce',
    950: '#000000',
  },
}

SCSS

$custom: #3633ce;
$custom-light: #856dde;
$custom-dark: #000000;

JSON

{
  "hex": "#3633ce",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 206
  },
  "hsl": {
    "h": 241.161,
    "s": 61.265,
    "l": 50.392
  },
  "oklch": {
    "l": 0.44568,
    "c": 0.22725,
    "h": 273
  },
  "luminance": 0.07608
}

Semantic roles & 50–950 ramp

primary

#3633CE

secondary

#D0D18C

accent

#E443E1

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3633CE

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

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