#433B7B
Closest named color: Dark Slate Blue (#483D8B). oklch(39.4% 0.105 286.3), rgb(67, 59, 123).
Aa
White text reads best on this color (9.76:1).
About this color
#433B7B is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.105 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.028 away. White text reads best on it, at 9.76:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #433B7B |
| RGB | rgb(67, 59, 123) |
| HSL | hsl(248, 35%, 36%) |
| OKLCH | oklch(39.4% 0.105 286.3) |
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 #433B7B | 9.76:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #433B7B | 2.15:1 | Fails | Lc 11.5 | Not readable |
| #433B7B text on white | 9.76:1 | AAA | Lc 92.5 | Preferred for body text |
| #433B7B text on black | 2.15:1 | Fails | Lc -10.0 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D6F5
oklch(88.6% 0.042 285.5)
-
Step 300
300
#BCBAF2
oklch(81% 0.079 286.1)
-
Step 400
400
#9B94EB
oklch(70.8% 0.125 286.4)
-
Step 500
500
#8477E5
oklch(63.2% 0.161 286.2)
-
Step 600
600
#6F5DD3
oklch(55.7% 0.175 286.2)
-
Step 700
700
#5D4BB6
oklch(49% 0.162 286.5)
-
Step 800
800
#4C3F94
oklch(42.8% 0.134 286.3)
-
Step 900
900 (this color)
#433B7B
oklch(39.4% 0.105 286.3)
-
Step 950
950
#242045
oklch(26.9% 0.067 285.9)
#433B7B 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) | #1F467D | 0.052 |
| Deuteranopia (no green cones) | #1E427A | 0.050 |
| Tritanopia (no blue cones) | #324855 | 0.088 |
| Achromatopsia (no color) | #444444 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433B7B
#433B7B
oklch(39.4% 0.105 286.3)
- #4C4800
#4C4800
oklch(39.3% 0.084 106)
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 #433B7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.028
- Blueberry #464196 ΔE 0.046
- Cobalt #1E488F ΔE 0.060
- Twilight Blue #0A437A ΔE 0.063
- Twilight #4E518B ΔE 0.067
- Light Navy #155084 ΔE 0.071
- Dusk Blue #26538D ΔE 0.073
- Dusk #4E5481 ΔE 0.074
Use #433B7B 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.