#433188
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.138 287.6), rgb(67, 49, 136).
Aa
White text reads best on this color (10.32:1).
About this color
#433188 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.138 and its hue 288°. 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 10.32:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.03:1 |
| White text | 10.32:1 |
Values
| HEX | #433188 |
| RGB | rgb(67, 49, 136) |
| HSL | hsl(252, 47%, 36%) |
| OKLCH | oklch(38.6% 0.138 287.6) |
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 #433188 | 10.32:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #433188 | 2.03:1 | Fails | Lc 10.4 | Not readable |
| #433188 text on white | 10.32:1 | AAA | Lc 93.6 | Preferred for body text |
| #433188 text on black | 2.03:1 | Fails | Lc -8.9 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FE
oklch(93.6% 0.031 287.8)
-
Step 200
200
#D6D4FE
oklch(88.5% 0.058 287.3)
-
Step 300
300
#BCB7FF
oklch(80.9% 0.101 287.1)
-
Step 400
400
#9C8DFF
oklch(70.6% 0.163 287.5)
-
Step 500
500
#876BFF
oklch(63.1% 0.211 287.5)
-
Step 600
600
#734CEF
oklch(55.6% 0.23 287.4)
-
Step 700
700
#613BD0
oklch(49.1% 0.214 287.4)
-
Step 800
800
#4F32A8
oklch(42.6% 0.178 287.6)
-
Step 900
900 (this color)
#433188
oklch(38.6% 0.138 287.6)
-
Step 950
950
#261C4E
oklch(27% 0.088 288.2)
#433188 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) | #00428B | 0.074 |
| Deuteranopia (no green cones) | #003E86 | 0.073 |
| Tritanopia (no blue cones) | #2B4657 | 0.116 |
| Achromatopsia (no color) | #404040 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433188
#433188
oklch(38.6% 0.138 287.6)
- #494700
#494700
oklch(38.7% 0.083 107.9)
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 #433188, 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 0.045
- Cobalt #1E488F ΔE 0.070
- Imperial Purple #480CA8 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.072
- Indigo #4B0082 ΔE 0.073
- Sapphire #2138AB ΔE 0.075
- Twilight Blue #0A437A ΔE 0.079
Use #433188 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.