#3628B7#3628B7

#3628B7 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.7% C 0.210 H 276.0°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#3628B7
RGB	rgb(54, 40, 183)
HSL	hsl(246, 64%, 44%)
HSV	hsv(246, 78%, 72%)
CMYK	cmyk(70.5%, 78.1%, 0%, 28.2%)
CIE-LAB	lab(28.69, 49.71, -72.27)
CIE-LCH	lch(28.69, 87.72, 304.52°)
OKLab	oklab(40.71% 0.0219 -0.2089)
OKLCH	oklch(40.71% 0.21 276)
XYZ	xyz(10.8246, 5.7197, 45.3241)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3628B7 #A9B728

analogous

#2861B7 #3628B7 #7D28B7

triadic

#3628B7 #B73628 #28B736

tetradic

#3628B7 #B72861 #A9B728 #28B77D

square

#3628B7 #B72861 #A9B728 #28B77D

split-complementary

#3628B7 #B77D28 #61B728

monochromatic

#181253 #271D85 #3628B7 #5446D6 #8278E1

Accessibility & contrast

On white

9.79

#3628B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3628B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3628B7

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3628B7	#FFFFFF	#000000	##FFFFFF
##3628B7	1.00	9.79	2.14	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABB

Deuteranopia (green-blind)

#003DB5

Tritanopia (blue-blind)

#00536F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3628b7;
/* rgb */ color: rgb(54, 40, 183);
/* oklch */ color: oklch(40.7% 0.210 276.0);

Tailwind

colors: {
  custom: {
    50: '#8165ce',
    500: '#3628b7',
    950: '#000000',
  },
}

SCSS

$custom: #3628b7;
$custom-light: #8165ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3628b7",
  "rgb": {
    "r": 54,
    "g": 40,
    "b": 183
  },
  "hsl": {
    "h": 245.874,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40713,
    "c": 0.21007,
    "h": 276
  },
  "luminance": 0.05721
}

Semantic roles & 50–950 ramp

primary

#3628B7

secondary

#C1C972

accent

#E741D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3628B7

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

Preview Lab → · Contrast checker → · Palette generator →