#42227A
Closest named color: Indigo (#4B0082). oklch(34.9% 0.141 294.7), rgb(66, 34, 122).
Aa
White text reads best on this color (12.05:1).
About this color
#42227A is a dark, vivid purple. In OKLCH its lightness is 35%, its chroma 0.141 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.044 away. White text reads best on it, at 12.05:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.74:1 |
| White text | 12.05:1 |
Values
| HEX | #42227A |
| RGB | rgb(66, 34, 122) |
| HSL | hsl(262, 56%, 31%) |
| OKLCH | oklch(34.9% 0.141 294.7) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #42227A | 12.05:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #42227A | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #42227A text on white | 12.05:1 | AAA | Lc 97.0 | Preferred for body text |
| #42227A text on black | 1.74:1 | Fails | Lc 0.0 | 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.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DBD2FD
oklch(88.5% 0.059 294.8)
-
Step 300
300
#C5B3FE
oklch(80.9% 0.106 294.9)
-
Step 400
400
#A988FE
oklch(70.8% 0.169 294.6)
-
Step 500
500
#9664FB
oklch(63.1% 0.215 294.7)
-
Step 600
600
#8244EA
oklch(55.6% 0.233 294.6)
-
Step 700
700
#6E33CC
oklch(49.1% 0.218 294.4)
-
Step 800
800
#5A2CA5
oklch(42.7% 0.181 294.9)
-
Step 900
900 (this color)
#42227A
oklch(34.9% 0.141 294.7)
-
Step 950
950
#2A1A4C
oklch(26.9% 0.089 294.4)
#42227A 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #00377D | 0.086 |
| Deuteranopia (no green cones) | #003578 | 0.086 |
| Tritanopia (no blue cones) | #32384B | 0.110 |
| Achromatopsia (no color) | #363636 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42227A
#42227A
oklch(34.9% 0.141 294.7)
- #3A3F00
#3A3F00
oklch(35.1% 0.079 114.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #42227A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.044
- Royal Purple #4B006E ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.070
- Imperial Purple #480CA8 ΔE 0.079
- Midnight Blue #191970 ΔE 0.082
- Blueberry #464196 ΔE 0.085
- Plum Purple #4E0550 ΔE 0.090
- Chrysanthemum #560BAD ΔE 0.092
Use #42227A 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.