#433380
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.124 288.7), rgb(67, 51, 128).
Aa
White text reads best on this color (10.37:1).
About this color
#433380 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.124 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.032 away. White text reads best on it, at 10.37:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #433380 |
| RGB | rgb(67, 51, 128) |
| HSL | hsl(252, 43%, 35%) |
| OKLCH | oklch(38.3% 0.124 288.7) |
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 #433380 | 10.37:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #433380 | 2.02:1 | Fails | Lc 10.2 | Not readable |
| #433380 text on white | 10.37:1 | AAA | Lc 93.8 | Preferred for body text |
| #433380 text on black | 2.02:1 | Fails | Lc -8.8 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D7D4FA
oklch(88.4% 0.052 288.9)
-
Step 300
300
#BEB7FA
oklch(80.9% 0.094 288.9)
-
Step 400
400
#9E8FF7
oklch(70.7% 0.149 288.6)
-
Step 500
500
#896FF4
oklch(63.2% 0.191 288.7)
-
Step 600
600
#7452E2
oklch(55.5% 0.208 288.6)
-
Step 700
700
#6242C4
oklch(49.1% 0.192 288.6)
-
Step 800
800
#50379F
oklch(42.7% 0.16 288.8)
-
Step 900
900 (this color)
#433380
oklch(38.3% 0.124 288.7)
-
Step 950
950
#261E4A
oklch(27.1% 0.079 288.4)
#433380 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) | #004283 | 0.073 |
| Deuteranopia (no green cones) | #003E7E | 0.072 |
| Tritanopia (no blue cones) | #304454 | 0.102 |
| Achromatopsia (no color) | #404040 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433380
#433380
oklch(38.3% 0.124 288.7)
- #474600
#474600
oklch(38.3% 0.083 108.8)
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 #433380, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.032
- Blueberry #464196 ΔE 0.049
- Cobalt #1E488F ΔE 0.069
- Twilight Blue #0A437A ΔE 0.073
- Rebecca Purple #663399 ΔE 0.077
- Indigo #4B0082 ΔE 0.078
- Twilight #4E518B ΔE 0.085
- Sapphire #2138AB ΔE 0.085
Use #433380 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.