#43327A
Closest named color: Dark Slate Blue (#483D8B). oklch(37.6% 0.118 290.5), rgb(67, 50, 122).
Aa
White text reads best on this color (10.62:1).
About this color
#43327A is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.118 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 10.62:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.97:1 |
| White text | 10.62:1 |
Values
| HEX | #43327A |
| RGB | rgb(67, 50, 122) |
| HSL | hsl(254, 42%, 34%) |
| OKLCH | oklch(37.6% 0.118 290.5) |
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 #43327A | 10.62:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #43327A | 1.97:1 | Fails | Lc 9.5 | Not readable |
| #43327A text on white | 10.62:1 | AAA | Lc 94.4 | Preferred for body text |
| #43327A text on black | 1.97:1 | 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.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#C0B7F6
oklch(80.9% 0.088 290.8)
-
Step 400
400
#A18FF1
oklch(70.6% 0.141 290.8)
-
Step 500
500
#8C70ED
oklch(63.2% 0.181 290.6)
-
Step 600
600
#7754DB
oklch(55.5% 0.197 290.5)
-
Step 700
700
#6544BE
oklch(49.2% 0.182 290.6)
-
Step 800
800
#52399A
oklch(42.8% 0.151 290.5)
-
Step 900
900 (this color)
#43327A
oklch(37.6% 0.118 290.5)
-
Step 950
950
#271E48
oklch(27% 0.075 290.3)
#43327A 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) | #07407C | 0.072 |
| Deuteranopia (no green cones) | #0C3D78 | 0.069 |
| Tritanopia (no blue cones) | #334251 | 0.096 |
| Achromatopsia (no color) | #3E3E3E | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43327A
#43327A
oklch(37.6% 0.118 290.5)
- #444500
#444500
oklch(37.7% 0.083 110.7)
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 #43327A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.074
- Cobalt #1E488F ΔE 0.075
- Indigo #4B0082 ΔE 0.078
- Marine Blue #01386A ΔE 0.082
- Rebecca Purple #663399 ΔE 0.083
- Royal Purple #4B006E ΔE 0.086
Use #43327A 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.