#3630B8#3630B8

#3630B8 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.9% C 0.204 H 275.0°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#3630B8
RGB	rgb(54, 48, 184)
HSL	hsl(243, 59%, 45%)
HSV	hsv(243, 74%, 72%)
CMYK	cmyk(70.7%, 73.9%, 0%, 27.8%)
CIE-LAB	lab(30.30, 45.77, -70.22)
CIE-LCH	lch(30.30, 83.82, 303.10°)
OKLab	oklab(41.87% 0.0177 -0.203)
OKLCH	oklch(41.87% 0.204 275)
XYZ	xyz(11.2271, 6.3578, 45.9736)
Luminance	0.0636 (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

#3630B8 #B2B830

analogous

#306EB8 #3630B8 #7A30B8

triadic

#3630B8 #B83630 #30B836

tetradic

#3630B8 #B8306E #B2B830 #30B87A

square

#3630B8 #B8306E #B2B830 #30B87A

split-complementary

#3630B8 #B87A30 #6EB830

monochromatic

#1A1757 #282387 #3630B8 #5953D2 #8884DF

Accessibility & contrast

On white

9.24

#3630B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3630B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630B8

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3630B8	#FFFFFF	#000000	##FFFFFF
##3630B8	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)

#004DBC

Deuteranopia (green-blind)

#0041B6

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3630b8;
/* rgb */ color: rgb(54, 48, 184);
/* oklch */ color: oklch(41.9% 0.204 275.0);

Tailwind

colors: {
  custom: {
    50: '#806acf',
    500: '#3630b8',
    950: '#000000',
  },
}

SCSS

$custom: #3630b8;
$custom-light: #806acf;
$custom-dark: #000000;

JSON

{
  "hex": "#3630b8",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 184
  },
  "hsl": {
    "h": 242.647,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.41874,
    "c": 0.2038,
    "h": 275
  },
  "luminance": 0.06359
}

Semantic roles & 50–950 ramp

primary

#3630B8

secondary

#C5C87C

accent

#E246DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3630B8

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

Preview Lab → · Contrast checker → · Palette generator →