#3628B5#3628B5

#3628B5 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.5% C 0.208 H 276.2°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#3628B5
RGB	rgb(54, 40, 181)
HSL	hsl(246, 64%, 43%)
HSV	hsv(246, 78%, 71%)
CMYK	cmyk(70.2%, 77.9%, 0%, 29%)
CIE-LAB	lab(28.48, 49.09, -71.44)
CIE-LCH	lch(28.48, 86.68, 304.50°)
OKLab	oklab(40.5% 0.0224 -0.2065)
OKLCH	oklch(40.5% 0.208 276.2)
XYZ	xyz(10.6179, 5.6371, 44.2356)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3628B5 #A7B528

analogous

#2861B5 #3628B5 #7C28B5

triadic

#3628B5 #B53628 #28B536

tetradic

#3628B5 #B52861 #A7B528 #28B57C

square

#3628B5 #B52861 #A7B528 #28B57C

split-complementary

#3628B5 #B57C28 #61B528

monochromatic

#181251 #271D83 #3628B5 #5344D6 #8177E1

Accessibility & contrast

On white

9.87

#3628B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3628B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3628B5

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3628B5	#FFFFFF	#000000	##FFFFFF
##3628B5	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B9

Deuteranopia (green-blind)

#003DB3

Tritanopia (blue-blind)

#00526E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3628b5;
/* rgb */ color: rgb(54, 40, 181);
/* oklch */ color: oklch(40.5% 0.208 276.2);

Tailwind

colors: {
  custom: {
    50: '#8065cd',
    500: '#3628b5',
    950: '#000000',
  },
}

SCSS

$custom: #3628b5;
$custom-light: #8065cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3628b5",
  "rgb": {
    "r": 54,
    "g": 40,
    "b": 181
  },
  "hsl": {
    "h": 245.957,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40497,
    "c": 0.20772,
    "h": 276.2
  },
  "luminance": 0.05638
}

Semantic roles & 50–950 ramp

primary

#3628B5

secondary

#C0C870

accent

#E741D6

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3628B5

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

Preview Lab → · Contrast checker → · Palette generator →