#3630B9#3630B9

#3630B9 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.0% C 0.205 H 274.9°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#3630B9
RGB	rgb(54, 48, 185)
HSL	hsl(243, 59%, 46%)
HSV	hsv(243, 74%, 73%)
CMYK	cmyk(70.8%, 74.1%, 0%, 27.5%)
CIE-LAB	lab(30.40, 46.09, -70.64)
CIE-LCH	lch(30.40, 84.35, 303.12°)
OKLab	oklab(41.98% 0.0175 -0.2043)
OKLCH	oklch(41.98% 0.205 274.9)
XYZ	xyz(11.3323, 6.3999, 46.5276)
Luminance	0.0640 (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

#3630B9 #B3B930

analogous

#306EB9 #3630B9 #7A30B9

triadic

#3630B9 #B93630 #30B936

tetradic

#3630B9 #B9306E #B3B930 #30B97A

square

#3630B9 #B9306E #B3B930 #30B97A

split-complementary

#3630B9 #B97A30 #6EB930

monochromatic

#1A1758 #282388 #3630B9 #5954D3 #8884DF

Accessibility & contrast

On white

9.21

#3630B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3630B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630B9

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3630B9	#FFFFFF	#000000	##FFFFFF
##3630B9	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBD

Deuteranopia (green-blind)

#0041B7

Tritanopia (blue-blind)

#005772

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3630b9;
/* rgb */ color: rgb(54, 48, 185);
/* oklch */ color: oklch(42.0% 0.205 274.9);

Tailwind

colors: {
  custom: {
    50: '#806acf',
    500: '#3630b9',
    950: '#000000',
  },
}

SCSS

$custom: #3630b9;
$custom-light: #806acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3630b9",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 185
  },
  "hsl": {
    "h": 242.628,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.41976,
    "c": 0.20502,
    "h": 274.9
  },
  "luminance": 0.06401
}

Semantic roles & 50–950 ramp

primary

#3630B9

secondary

#C5C97C

accent

#E246DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3630B9

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

Preview Lab → · Contrast checker → · Palette generator →