#433073
Closest named color: Dark Slate Blue (#483D8B). oklch(36.8% 0.111 293.3), rgb(67, 48, 115).
Aa
White text reads best on this color (11.00:1).
About this color
#433073 is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.111 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.051 away. White text reads best on it, at 11.00:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #433073 |
| RGB | rgb(67, 48, 115) |
| HSL | hsl(257, 41%, 32%) |
| OKLCH | oklch(36.8% 0.111 293.3) |
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 #433073 | 11.00:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #433073 | 1.90:1 | Fails | Lc 8.7 | Not readable |
| #433073 text on white | 11.00:1 | AAA | Lc 95.2 | Preferred for body text |
| #433073 text on black | 1.90:1 | Fails | Lc -7.4 | 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 900.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F6
oklch(88.5% 0.047 293.5)
-
Step 300
300
#C2B7F2
oklch(80.9% 0.083 293)
-
Step 400
400
#A58FEB
oklch(70.7% 0.133 293.7)
-
Step 500
500
#9071E5
oklch(63.2% 0.169 293.3)
-
Step 600
600
#7B56D3
oklch(55.6% 0.184 293.1)
-
Step 700
700
#6845B7
oklch(49.1% 0.172 293.2)
-
Step 800
800
#553A94
oklch(42.8% 0.142 293.3)
-
Step 900
900 (this color)
#433073
oklch(36.8% 0.111 293.3)
-
Step 950
950
#281E45
oklch(26.9% 0.071 292.9)
#433073 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) | #0E3D75 | 0.071 |
| Deuteranopia (no green cones) | #143B72 | 0.066 |
| Tritanopia (no blue cones) | #373E4C | 0.089 |
| Achromatopsia (no color) | #3C3C3C | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433073
#433073
oklch(36.8% 0.111 293.3)
- #3F4300
#3F4300
oklch(36.7% 0.082 113.6)
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 #433073, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.051
- Blueberry #464196 ΔE 0.070
- Twilight Blue #0A437A ΔE 0.077
- Indigo #4B0082 ΔE 0.077
- Prussian Blue #1D3557 ΔE 0.079
- Marine Blue #01386A ΔE 0.080
- Royal Purple #4B006E ΔE 0.080
- Cobalt #1E488F ΔE 0.083
Use #433073 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.