#3628A3#3628A3

#3628A3 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.6% C 0.186 H 278.2°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#3628A3
RGB	rgb(54, 40, 163)
HSL	hsl(247, 61%, 40%)
HSV	hsv(247, 75%, 64%)
CMYK	cmyk(66.9%, 75.5%, 0%, 36.1%)
CIE-LAB	lab(26.58, 43.43, -63.76)
CIE-LCH	lch(26.58, 77.14, 304.26°)
OKLab	oklab(38.6% 0.0267 -0.1841)
OKLCH	oklch(38.6% 0.186 278.2)
XYZ	xyz(8.8888, 4.9454, 35.1294)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3628A3 #95A328

analogous

#2858A3 #3628A3 #7328A3

triadic

#3628A3 #A33628 #28A336

tetradic

#3628A3 #A32858 #95A328 #28A373

square

#3628A3 #A32858 #95A328 #28A373

split-complementary

#3628A3 #A37328 #58A328

monochromatic

#151041 #261C72 #3628A3 #4B3ACF #786BDB

Accessibility & contrast

On white

10.56

#3628A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3628A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3628A3

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3628A3	#FFFFFF	#000000	##FFFFFF
##3628A3	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A7

Deuteranopia (green-blind)

#003AA1

Tritanopia (blue-blind)

#004B64

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3628a3;
/* rgb */ color: rgb(54, 40, 163);
/* oklch */ color: oklch(38.6% 0.186 278.2);

Tailwind

colors: {
  custom: {
    50: '#7c64bf',
    500: '#3628a3',
    950: '#000000',
  },
}

SCSS

$custom: #3628a3;
$custom-light: #7c64bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3628a3",
  "rgb": {
    "r": 54,
    "g": 40,
    "b": 163
  },
  "hsl": {
    "h": 246.829,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38598,
    "c": 0.18607,
    "h": 278.2
  },
  "luminance": 0.04946
}

Semantic roles & 50–950 ramp

primary

#3628A3

secondary

#B7C166

accent

#E444D2

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3628A3

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

Preview Lab → · Contrast checker → · Palette generator →