#3630BD#3630BD

#3630BD is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.4% C 0.210 H 274.6°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#3630BD
RGB	rgb(54, 48, 189)
HSL	hsl(243, 59%, 46%)
HSV	hsv(243, 75%, 74%)
CMYK	cmyk(71.4%, 74.6%, 0%, 25.9%)
CIE-LAB	lab(30.81, 47.39, -72.33)
CIE-LCH	lch(30.81, 86.47, 303.23°)
OKLab	oklab(42.39% 0.0167 -0.2092)
OKLCH	oklch(42.39% 0.21 274.6)
XYZ	xyz(11.7605, 6.5712, 48.7828)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.39

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3630BD #B7BD30

analogous

#3071BD #3630BD #7D30BD

triadic

#3630BD #BD3630 #30BD36

tetradic

#3630BD #BD3071 #B7BD30 #30BD7D

square

#3630BD #BD3071 #B7BD30 #30BD7D

split-complementary

#3630BD #BD7D30 #71BD30

monochromatic

#1A175B #28248C #3630BD #5B56D4 #8B87E0

Accessibility & contrast

On white

9.07

#3630BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3630BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630BD

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3630BD	#FFFFFF	#000000	##FFFFFF
##3630BD	1.00	9.07	2.31	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC1

Deuteranopia (green-blind)

#0042BA

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3630bd;
/* rgb */ color: rgb(54, 48, 189);
/* oklch */ color: oklch(42.4% 0.210 274.6);

Tailwind

colors: {
  custom: {
    50: '#816ad2',
    500: '#3630bd',
    950: '#000000',
  },
}

SCSS

$custom: #3630bd;
$custom-light: #816ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3630bd",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 189
  },
  "hsl": {
    "h": 242.553,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4239,
    "c": 0.20985,
    "h": 274.6
  },
  "luminance": 0.06572
}

Semantic roles & 50–950 ramp

primary

#3630BD

secondary

#C7CA7F

accent

#E345DC

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3630BD

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

Preview Lab → · Contrast checker → · Palette generator →