#3421BD#3421BD

#3421BD is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.5% C 0.223 H 275.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#3421BD
RGB	rgb(52, 33, 189)
HSL	hsl(247, 70%, 44%)
HSV	hsv(247, 83%, 74%)
CMYK	cmyk(72.5%, 82.5%, 0%, 25.9%)
CIE-LAB	lab(28.09, 54.67, -76.84)
CIE-LCH	lch(28.09, 94.30, 305.43°)
OKLab	oklab(40.45% 0.0204 -0.2221)
OKLCH	oklch(40.45% 0.223 275.2)
XYZ	xyz(11.1423, 5.4908, 48.6069)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3421BD #AABD21

analogous

#215CBD #3421BD #8221BD

triadic

#3421BD #BD3421 #21BD34

tetradic

#3421BD #BD215C #AABD21 #21BD82

square

#3421BD #BD215C #AABD21 #21BD82

split-complementary

#3421BD #BD8221 #5CBD21

monochromatic

#170F55 #261889 #3421BD #513EDD #8072E6

Accessibility & contrast

On white

10.01

#3421BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3421BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3421BD

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3421BD	#FFFFFF	#000000	##FFFFFF
##3421BD	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049C1

Deuteranopia (green-blind)

#003BBA

Tritanopia (blue-blind)

#005371

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3421bd;
/* rgb */ color: rgb(52, 33, 189);
/* oklch */ color: oklch(40.5% 0.223 275.2);

Tailwind

colors: {
  custom: {
    50: '#8262d2',
    500: '#3421bd',
    950: '#000000',
  },
}

SCSS

$custom: #3421bd;
$custom-light: #8262d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3421bd",
  "rgb": {
    "r": 52,
    "g": 33,
    "b": 189
  },
  "hsl": {
    "h": 247.308,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40452,
    "c": 0.22306,
    "h": 275.2
  },
  "luminance": 0.05492
}

Semantic roles & 50–950 ramp

primary

#3421BD

secondary

#C1CD6D

accent

#ED3BD7

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #3421BD

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

Preview Lab → · Contrast checker → · Palette generator →