#422C8A

Closest named color: Dark Slate Blue (#483D8B). oklch(37.8% 0.148 287.9), rgb(66, 44, 138).

Aa

White text reads best on this color (10.72:1).

About this color

#422C8A is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.148 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.043 away. White text reads best on it, at 10.72:1.

Hue familyPurples
Lightnessdark (38%)
Chromavivid (0.148)
Temperaturecool
Nearest nameDark Slate Blue (#483D8B)
Black text1.95:1
White text10.72:1

Values

HEX#422C8A
RGBrgb(66, 44, 138)
HSLhsl(254, 52%, 36%)
OKLCHoklch(37.8% 0.148 287.9)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #422C8A 10.72:1 AAA Lc -98.3 Preferred for body text
Black text on #422C8A 1.95:1 Fails Lc 9.6 Not readable
#422C8A text on white 10.72:1 AAA Lc 94.3 Preferred for body text
#422C8A text on black 1.95:1 Fails Lc -8.2 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.

  1. Step 50

    50

    #F5F4FF

    oklch(97.1% 0.015 290.3)

  2. Step 100

    100

    #E8E7FF

    oklch(93.6% 0.032 287.7)

  3. Step 200

    200

    #D6D4FF

    oklch(88.5% 0.059 287.3)

  4. Step 300

    300

    #BDB6FF

    oklch(80.8% 0.102 288.3)

  5. Step 400

    400

    #9D8DFF

    oklch(70.7% 0.163 287.9)

  6. Step 500

    500

    #886AFF

    oklch(63% 0.212 288)

  7. Step 600

    600

    #7545F7

    oklch(55.6% 0.247 287.9)

  8. Step 700

    700

    #6334D7

    oklch(49.1% 0.229 287.9)

  9. Step 800

    800

    #502EAE

    oklch(42.7% 0.189 287.7)

  10. Step 900

    900 (this color)

    #422C8A

    oklch(37.8% 0.148 287.9)

  11. Step 950

    950

    #261B51

    oklch(27.1% 0.094 287.7)

Export this scale for Tailwind in the Tailwind colors tool

#422C8A with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#00408D0.076
Deuteranopia (no green cones)#003B880.074
Tritanopia (no blue cones)#2843570.120
Achromatopsia (no color)#3E3E3E0.149

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #422C8A

    #422C8A

    oklch(37.8% 0.148 287.9)

  • #464500

    #464500

    oklch(37.9% 0.082 108.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #422C8A

    #422C8A

    oklch(37.8% 0.148 287.9)

  • #003D8A

    #003D8A

    oklch(37.8% 0.14 258.1)

  • #611D73

    #611D73

    oklch(37.9% 0.148 318.3)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #422C8A

    #422C8A

    oklch(37.8% 0.148 287.9)

  • #593C00

    #593C00

    oklch(38% 0.079 78.1)

  • #1C4F00

    #1C4F00

    oklch(37.8% 0.117 138)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #422C8A

    #422C8A

    oklch(37.8% 0.148 287.9)

  • #6C2C00

    #6C2C00

    oklch(37.8% 0.104 47.5)

  • #004F3A

    #004F3A

    oklch(38% 0.077 167.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #422C8A

    #422C8A

    oklch(37.8% 0.148 287.9)

  • #7E0522

    #7E0522

    oklch(37.9% 0.148 18)

  • #464500

    #464500

    oklch(37.9% 0.082 108.8)

  • #004C4E

    #004C4E

    oklch(37.8% 0.064 197.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #422C8A, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #422C8A in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.