#3630A4#3630A4

#3630A4 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.179 H 276.8°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#3630A4
RGB	rgb(54, 48, 164)
HSL	hsl(243, 55%, 42%)
HSV	hsv(243, 71%, 64%)
CMYK	cmyk(67.1%, 70.7%, 0%, 35.7%)
CIE-LAB	lab(28.32, 39.17, -61.50)
CIE-LCH	lch(28.32, 72.91, 302.50°)
OKLab	oklab(39.87% 0.0213 -0.1776)
OKLCH	oklch(39.87% 0.179 276.8)
XYZ	xyz(9.2769, 5.5777, 35.7025)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3630A4 #9EA430

analogous

#3064A4 #3630A4 #7030A4

triadic

#3630A4 #A43630 #30A436

tetradic

#3630A4 #A43064 #9EA430 #30A470

square

#3630A4 #A43064 #9EA430 #30A470

split-complementary

#3630A4 #A47030 #64A430

monochromatic

#171445 #262275 #3630A4 #4F48C9 #7C77D7

Accessibility & contrast

On white

9.93

#3630A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3630A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630A4

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3630A4	#FFFFFF	#000000	##FFFFFF
##3630A4	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A7

Deuteranopia (green-blind)

#003EA2

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3630a4;
/* rgb */ color: rgb(54, 48, 164);
/* oklch */ color: oklch(39.9% 0.179 276.8);

Tailwind

colors: {
  custom: {
    50: '#7c69c0',
    500: '#3630a4',
    950: '#000000',
  },
}

SCSS

$custom: #3630a4;
$custom-light: #7c69c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3630a4",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 164
  },
  "hsl": {
    "h": 243.103,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39868,
    "c": 0.17885,
    "h": 276.8
  },
  "luminance": 0.05579
}

Semantic roles & 50–950 ramp

primary

#3630A4

secondary

#BBBF70

accent

#DE4AD6

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3630A4

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

Preview Lab → · Contrast checker → · Palette generator →