#421B8F#421B8F

#421B8F is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.173 H 290.0°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#421B8F
RGB	rgb(66, 27, 143)
HSL	hsl(260, 68%, 33%)
HSV	hsv(260, 81%, 56%)
CMYK	cmyk(53.8%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(23.42, 45.44, -56.65)
CIE-LCH	lch(23.42, 72.62, 308.74°)
OKLab	oklab(36.06% 0.0593 -0.1629)
OKLCH	oklch(36.06% 0.173 290)
XYZ	xyz(7.5952, 3.9249, 26.3387)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B8F #688F1B

analogous

#1B2E8F #421B8F #7C1B8F

triadic

#421B8F #8F421B #1B8F42

tetradic

#421B8F #8F1B2E #688F1B #1B8F7C

square

#421B8F #8F1B2E #688F1B #1B8F7C

split-complementary

#421B8F #8F7C1B #2E8F1B

monochromatic

#120828 #2A115C #421B8F #5A25C2 #7A48DC

Accessibility & contrast

On white

11.76

#421B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#421B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B8F

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B8F	#FFFFFF	#000000	##FFFFFF
##421B8F	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#00358D

Tritanopia (blue-blind)

#253D55

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #421b8f;
/* rgb */ color: rgb(66, 27, 143);
/* oklch */ color: oklch(36.1% 0.173 290.0);

Tailwind

colors: {
  custom: {
    50: '#805db1',
    500: '#421b8f',
    950: '#000000',
  },
}

SCSS

$custom: #421b8f;
$custom-light: #805db1;
$custom-dark: #000000;

JSON

{
  "hex": "#421b8f",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 260.172,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36055,
    "c": 0.17333,
    "h": 290
  },
  "luminance": 0.03925
}

Semantic roles & 50–950 ramp

primary

#421B8F

secondary

#96BE48

accent

#EB3DB0

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #421B8F

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

Preview Lab → · Contrast checker → · Palette generator →