#422579
Closest named color: Indigo (#4B0082). oklch(35.3% 0.135 294.2), rgb(66, 37, 121).
Aa
White text reads best on this color (11.84:1).
About this color
#422579 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.135 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.050 away. White text reads best on it, at 11.84:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.77:1 |
| White text | 11.84:1 |
Values
| HEX | #422579 |
| RGB | rgb(66, 37, 121) |
| HSL | hsl(261, 53%, 31%) |
| OKLCH | oklch(35.3% 0.135 294.2) |
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 #422579 | 11.84:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #422579 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #422579 text on white | 11.84:1 | AAA | Lc 96.7 | Preferred for body text |
| #422579 text on black | 1.77:1 | 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
#EAE7FC
oklch(93.7% 0.028 292.4)
-
Step 200
200
#DBD3FC
oklch(88.6% 0.056 294.2)
-
Step 300
300
#C4B4FC
oklch(80.9% 0.101 294.2)
-
Step 400
400
#A889FB
oklch(70.7% 0.164 294.4)
-
Step 500
500
#9467F8
oklch(63.2% 0.207 293.9)
-
Step 600
600
#8048E6
oklch(55.6% 0.224 294.1)
-
Step 700
700
#6D37C8
oklch(49.1% 0.209 294.3)
-
Step 800
800
#582FA2
oklch(42.6% 0.174 294.1)
-
Step 900
900 (this color)
#422579
oklch(35.3% 0.135 294.2)
-
Step 950
950
#2A1B4B
oklch(27% 0.085 294.4)
#422579 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) | #00387C | 0.084 |
| Deuteranopia (no green cones) | #003677 | 0.083 |
| Tritanopia (no blue cones) | #33394B | 0.107 |
| Achromatopsia (no color) | #373737 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422579
#422579
oklch(35.3% 0.135 294.2)
- #3B3F00
#3B3F00
oklch(35.2% 0.079 113.8)
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 #422579, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.050
- Royal Purple #4B006E ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.065
- Blueberry #464196 ΔE 0.081
- Imperial Purple #480CA8 ΔE 0.082
- Midnight Blue #191970 ΔE 0.083
- Plum Purple #4E0550 ΔE 0.091
- Marine Blue #01386A ΔE 0.091
Use #422579 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.