#3621BD#3621BD

#3621BD is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.6% C 0.223 H 276.0°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#3621BD
RGB	rgb(54, 33, 189)
HSL	hsl(248, 70%, 44%)
HSV	hsv(248, 83%, 74%)
CMYK	cmyk(71.4%, 82.5%, 0%, 25.9%)
CIE-LAB	lab(28.23, 54.81, -76.59)
CIE-LCH	lch(28.23, 94.18, 305.59°)
OKLab	oklab(40.59% 0.0231 -0.2214)
OKLCH	oklch(40.59% 0.223 276)
XYZ	xyz(11.2475, 5.5450, 48.6118)
Luminance	0.0555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3621BD #A8BD21

analogous

#215ABD #3621BD #8421BD

triadic

#3621BD #BD3621 #21BD36

tetradic

#3621BD #BD215A #A8BD21 #21BD84

square

#3621BD #BD215A #A8BD21 #21BD84

split-complementary

#3621BD #BD8421 #5ABD21

monochromatic

#180F55 #271889 #3621BD #533EDD #8272E6

Accessibility & contrast

On white

9.96

#3621BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#3621BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3621BD

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3621BD	#FFFFFF	#000000	##FFFFFF
##3621BD	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C1

Deuteranopia (green-blind)

#003CBA

Tritanopia (blue-blind)

#005371

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3621bd;
/* rgb */ color: rgb(54, 33, 189);
/* oklch */ color: oklch(40.6% 0.223 276.0);

Tailwind

colors: {
  custom: {
    50: '#8362d2',
    500: '#3621bd',
    950: '#000000',
  },
}

SCSS

$custom: #3621bd;
$custom-light: #8362d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3621bd",
  "rgb": {
    "r": 54,
    "g": 33,
    "b": 189
  },
  "hsl": {
    "h": 248.077,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4059,
    "c": 0.22258,
    "h": 276
  },
  "luminance": 0.05546
}

Semantic roles & 50–950 ramp

primary

#3621BD

secondary

#C0CD6D

accent

#ED3BD5

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #3621BD

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

Preview Lab → · Contrast checker → · Palette generator →