#3633B2#3633B2

#3633B2 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.7% C 0.193 H 275.1°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#3633B2
RGB	rgb(54, 51, 178)
HSL	hsl(241, 55%, 45%)
HSV	hsv(241, 71%, 70%)
CMYK	cmyk(69.7%, 71.3%, 0%, 30.2%)
CIE-LAB	lab(30.32, 42.08, -66.62)
CIE-LCH	lch(30.32, 78.80, 302.28°)
OKLab	oklab(41.71% 0.0171 -0.1925)
OKLCH	oklch(41.71% 0.193 275.1)
XYZ	xyz(10.7384, 6.3653, 42.7736)
Luminance	0.0637 (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

#3633B2 #AFB233

analogous

#3370B2 #3633B2 #7533B2

triadic

#3633B2 #B23633 #33B236

tetradic

#3633B2 #B23370 #AFB233 #33B275

square

#3633B2 #B23370 #AFB233 #33B275

split-complementary

#3633B2 #B27533 #70B233

monochromatic

#191853 #282582 #3633B2 #5754CE #8684DC

Accessibility & contrast

On white

9.24

#3633B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3633B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633B2

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3633B2	#FFFFFF	#000000	##FFFFFF
##3633B2	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB6

Deuteranopia (green-blind)

#0042B0

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3633b2;
/* rgb */ color: rgb(54, 51, 178);
/* oklch */ color: oklch(41.7% 0.193 275.1);

Tailwind

colors: {
  custom: {
    50: '#7f6cca',
    500: '#3633b2',
    950: '#000000',
  },
}

SCSS

$custom: #3633b2;
$custom-light: #7f6cca;
$custom-dark: #000000;

JSON

{
  "hex": "#3633b2",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 178
  },
  "hsl": {
    "h": 241.417,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41707,
    "c": 0.1933,
    "h": 275.1
  },
  "luminance": 0.06366
}

Semantic roles & 50–950 ramp

primary

#3633B2

secondary

#C3C57C

accent

#DF49DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3633B2

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

Preview Lab → · Contrast checker → · Palette generator →