#433A6B
Closest named color: Dark Slate Blue (#483D8B). oklch(38.2% 0.082 290.4), rgb(67, 58, 107).
Aa
White text reads best on this color (10.21:1).
About this color
#433A6B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.082 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.054 away. White text reads best on it, at 10.21:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.05:1 |
| White text | 10.21:1 |
Values
| HEX | #433A6B |
| RGB | rgb(67, 58, 107) |
| HSL | hsl(251, 30%, 32%) |
| OKLCH | oklch(38.2% 0.082 290.4) |
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 #433A6B | 10.21:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #433A6B | 2.05:1 | Fails | Lc 10.3 | Not readable |
| #433A6B text on white | 10.21:1 | AAA | Lc 93.6 | Preferred for body text |
| #433A6B text on black | 2.05:1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EF
oklch(88.5% 0.034 289.4)
-
Step 300
300
#C0BAE6
oklch(80.8% 0.062 291.2)
-
Step 400
400
#A096DA
oklch(70.7% 0.099 290.4)
-
Step 500
500
#8A7BD0
oklch(63.2% 0.126 290.4)
-
Step 600
600
#7462BC
oklch(55.5% 0.136 290.5)
-
Step 700
700
#6251A3
oklch(49.2% 0.127 290.5)
-
Step 800
800
#504384
oklch(42.8% 0.105 290.5)
-
Step 900
900 (this color)
#433A6B
oklch(38.2% 0.082 290.4)
-
Step 950
950
#26213E
oklch(26.9% 0.053 290.3)
#433A6B 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) | #2A426D | 0.041 |
| Deuteranopia (no green cones) | #2A406A | 0.040 |
| Tritanopia (no blue cones) | #39434D | 0.068 |
| Achromatopsia (no color) | #414141 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433A6B
#433A6B
oklch(38.2% 0.082 290.4)
- #454603
#454603
oklch(38.1% 0.082 110.7)
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 #433A6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.062
- Twilight Blue #0A437A ΔE 0.066
- Prussian Blue #1D3557 ΔE 0.070
- Blueberry #464196 ΔE 0.072
- Charcoal #264653 ΔE 0.075
- Marine Blue #01386A ΔE 0.076
- Cobalt #1E488F ΔE 0.077
Use #433A6B 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.