#422787
Closest named color: Indigo (#4B0082). oklch(36.8% 0.151 289.8), rgb(66, 39, 135).
Aa
White text reads best on this color (11.21:1).
About this color
#422787 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.151 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.053 away. White text reads best on it, at 11.21:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.87:1 |
| White text | 11.21:1 |
Values
| HEX | #422787 |
| RGB | rgb(66, 39, 135) |
| HSL | hsl(257, 55%, 34%) |
| OKLCH | oklch(36.8% 0.151 289.8) |
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 #422787 | 11.21:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #422787 | 1.87:1 | Fails | Lc 8.6 | Not readable |
| #422787 text on white | 11.21:1 | AAA | Lc 95.3 | Preferred for body text |
| #422787 text on black | 1.87:1 | Fails | Lc -7.3 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E9E7FF
oklch(93.7% 0.032 289.6)
-
Step 200
200
#D8D3FF
oklch(88.5% 0.06 290.3)
-
Step 300
300
#BFB6FF
oklch(81% 0.102 289.6)
-
Step 400
400
#A08BFF
oklch(70.6% 0.166 289.8)
-
Step 500
500
#8C68FF
oklch(63.1% 0.214 289.8)
-
Step 600
600
#7A41F8
oklch(55.6% 0.251 289.9)
-
Step 700
700
#6730D8
oklch(49.1% 0.234 289.7)
-
Step 800
800
#542BAE
oklch(42.8% 0.192 290)
-
Step 900
900 (this color)
#422787
oklch(36.8% 0.151 289.8)
-
Step 950
950
#271A51
oklch(27% 0.096 289.2)
#422787 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) | #003D8A | 0.081 |
| Deuteranopia (no green cones) | #003985 | 0.079 |
| Tritanopia (no blue cones) | #2A3F54 | 0.120 |
| Achromatopsia (no color) | #3B3B3B | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422787
#422787
oklch(36.8% 0.151 289.8)
- #424200
#424200
oklch(36.7% 0.08 109.8)
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 #422787, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.054
- Imperial Purple #480CA8 ΔE 0.061
- Blueberry #464196 ΔE 0.065
- Royal Purple #4B006E ΔE 0.073
- Indigo Blue #3A18B1 ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.074
- Rebecca Purple #663399 ΔE 0.082
Use #422787 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.