#3621B2#3621B2

#3621B2 is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.4% C 0.210 H 277.2°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#3621B2
RGB	rgb(54, 33, 178)
HSL	hsl(249, 69%, 41%)
HSV	hsv(249, 81%, 70%)
CMYK	cmyk(69.7%, 81.5%, 0%, 30.2%)
CIE-LAB	lab(26.98, 51.57, -72.14)
CIE-LCH	lch(26.98, 88.67, 305.56°)
OKLab	oklab(39.36% 0.0263 -0.2084)
OKLCH	oklch(39.36% 0.21 277.2)
XYZ	xyz(10.0984, 5.0854, 42.5602)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3621B2 #9DB221

analogous

#2155B2 #3621B2 #7F21B2

triadic

#3621B2 #B23621 #21B236

tetradic

#3621B2 #B22155 #9DB221 #21B27F

square

#3621B2 #B22155 #9DB221 #21B27F

split-complementary

#3621B2 #B27F21 #55B221

monochromatic

#170E4B #26177E #3621B2 #4E36DA #7C6AE3

Accessibility & contrast

On white

10.41

#3621B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3621B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3621B2

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3621B2	#FFFFFF	#000000	##FFFFFF
##3621B2	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B6

Deuteranopia (green-blind)

#003AB0

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3621b2;
/* rgb */ color: rgb(54, 33, 178);
/* oklch */ color: oklch(39.4% 0.210 277.2);

Tailwind

colors: {
  custom: {
    50: '#8061ca',
    500: '#3621b2',
    950: '#000000',
  },
}

SCSS

$custom: #3621b2;
$custom-light: #8061ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3621b2",
  "rgb": {
    "r": 54,
    "g": 33,
    "b": 178
  },
  "hsl": {
    "h": 248.69,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39356,
    "c": 0.21008,
    "h": 277.2
  },
  "luminance": 0.05086
}

Semantic roles & 50–950 ramp

primary

#3621B2

secondary

#BBC966

accent

#EC3CD2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3621B2

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

Preview Lab → · Contrast checker → · Palette generator →