#423A96
Closest named color: Blueberry (#464196). oklch(41.2% 0.145 281.8), rgb(66, 58, 150).
Aa
White text reads best on this color (9.22:1).
About this color
#423A96 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.145 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.019 away. White text reads best on it, at 9.22:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #423A96 |
| RGB | rgb(66, 58, 150) |
| HSL | hsl(245, 44%, 41%) |
| OKLCH | oklch(41.2% 0.145 281.8) |
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 #423A96 | 9.22:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #423A96 | 2.27:1 | Fails | Lc 13.1 | Not readable |
| #423A96 text on white | 9.22:1 | AAA | Lc 90.9 | Preferred for body text |
| #423A96 text on black | 2.27:1 | Fails | Lc -11.4 | 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 800.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D3D6F8
oklch(88.5% 0.047 281.4)
-
Step 300
300
#B7BAF7
oklch(80.8% 0.086 282.1)
-
Step 400
400
#9495F3
oklch(70.8% 0.136 281.9)
-
Step 500
500
#7B77EE
oklch(63.1% 0.174 281.7)
-
Step 600
600
#665CDC
oklch(55.5% 0.189 281.8)
-
Step 700
700
#564BBF
oklch(49.1% 0.175 282.1)
-
Step 800
800 (this color)
#423A96
oklch(41.2% 0.145 281.8)
-
Step 900
900
#3A367B
oklch(37.7% 0.114 282.1)
-
Step 950
950
#222048
oklch(26.9% 0.072 282.7)
#423A96 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) | #004B99 | 0.066 |
| Deuteranopia (no green cones) | #004494 | 0.062 |
| Tritanopia (no blue cones) | #1A5062 | 0.124 |
| Achromatopsia (no color) | #474747 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423A96
#423A96
oklch(41.2% 0.145 281.8)
- #554C00
#554C00
oklch(41.3% 0.086 101.6)
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 #423A96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.019
- Dark Slate Blue #483D8B ΔE 0.023
- Cobalt #1E488F ΔE 0.054
- Sapphire #2138AB ΔE 0.056
- Rebecca Purple #663399 ΔE 0.065
- Twilight #4E518B ΔE 0.070
- Dusk Blue #26538D ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.074
Use #423A96 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.