#3821BD#3821BD

#3821BD is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.7% C 0.222 H 276.7°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#3821BD
RGB	rgb(56, 33, 189)
HSL	hsl(249, 70%, 44%)
HSV	hsv(249, 83%, 74%)
CMYK	cmyk(70.4%, 82.5%, 0%, 25.9%)
CIE-LAB	lab(28.38, 54.96, -76.34)
CIE-LCH	lch(28.38, 94.07, 305.75°)
OKLab	oklab(40.73% 0.0259 -0.2206)
OKLCH	oklch(40.73% 0.222 276.7)
XYZ	xyz(11.3571, 5.6015, 48.6169)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3821BD #A6BD21

analogous

#2158BD #3821BD #8621BD

triadic

#3821BD #BD3821 #21BD38

tetradic

#3821BD #BD2158 #A6BD21 #21BD86

square

#3821BD #BD2158 #A6BD21 #21BD86

split-complementary

#3821BD #BD8621 #58BD21

monochromatic

#190F55 #291889 #3821BD #553EDD #8372E6

Accessibility & contrast

On white

9.90

#3821BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3821BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3821BD

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3821BD	#FFFFFF	#000000	##FFFFFF
##3821BD	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	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: #3821bd;
/* rgb */ color: rgb(56, 33, 189);
/* oklch */ color: oklch(40.7% 0.222 276.7);

Tailwind

colors: {
  custom: {
    50: '#8362d2',
    500: '#3821bd',
    950: '#000000',
  },
}

SCSS

$custom: #3821bd;
$custom-light: #8362d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3821bd",
  "rgb": {
    "r": 56,
    "g": 33,
    "b": 189
  },
  "hsl": {
    "h": 248.846,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40731,
    "c": 0.22211,
    "h": 276.7
  },
  "luminance": 0.05603
}

Semantic roles & 50–950 ramp

primary

#3821BD

secondary

#BFCD6D

accent

#ED3BD3

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0514

muted

#7D7A83

Preview Lab

Preview with #3821BD

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

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