#3628B8#3628B8

#3628B8 is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.8% C 0.211 H 275.9°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#3628B8
RGB	rgb(54, 40, 184)
HSL	hsl(246, 64%, 44%)
HSV	hsv(246, 78%, 72%)
CMYK	cmyk(70.7%, 78.3%, 0%, 27.8%)
CIE-LAB	lab(28.80, 50.02, -72.69)
CIE-LCH	lch(28.80, 88.24, 304.53°)
OKLab	oklab(40.82% 0.0217 -0.2101)
OKLCH	oklch(40.82% 0.211 275.9)
XYZ	xyz(10.9290, 5.7615, 45.8742)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3628B8 #AAB828

analogous

#2862B8 #3628B8 #7E28B8

triadic

#3628B8 #B83628 #28B836

tetradic

#3628B8 #B82862 #AAB828 #28B87E

square

#3628B8 #B82862 #AAB828 #28B87E

split-complementary

#3628B8 #B87E28 #62B828

monochromatic

#181253 #271D86 #3628B8 #5446D7 #8379E2

Accessibility & contrast

On white

9.76

#3628B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3628B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3628B8

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3628B8	#FFFFFF	#000000	##FFFFFF
##3628B8	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABC

Deuteranopia (green-blind)

#003DB5

Tritanopia (blue-blind)

#005470

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3628b8;
/* rgb */ color: rgb(54, 40, 184);
/* oklch */ color: oklch(40.8% 0.211 275.9);

Tailwind

colors: {
  custom: {
    50: '#8166cf',
    500: '#3628b8',
    950: '#000000',
  },
}

SCSS

$custom: #3628b8;
$custom-light: #8166cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3628b8",
  "rgb": {
    "r": 54,
    "g": 40,
    "b": 184
  },
  "hsl": {
    "h": 245.833,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40821,
    "c": 0.21125,
    "h": 275.9
  },
  "luminance": 0.05763
}

Semantic roles & 50–950 ramp

primary

#3628B8

secondary

#C1CA72

accent

#E741D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3628B8

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

Preview Lab → · Contrast checker → · Palette generator →