#433C76
Closest named color: Dark Slate Blue (#483D8B). oklch(39.3% 0.096 286.7), rgb(67, 60, 118).
Aa
White text reads best on this color (9.78:1).
About this color
#433C76 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.096 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.036 away. White text reads best on it, at 9.78:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #433C76 |
| RGB | rgb(67, 60, 118) |
| HSL | hsl(247, 33%, 35%) |
| OKLCH | oklch(39.3% 0.096 286.7) |
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 #433C76 | 9.78:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #433C76 | 2.14:1 | Fails | Lc 11.4 | Not readable |
| #433C76 text on white | 9.78:1 | AAA | Lc 92.5 | Preferred for body text |
| #433C76 text on black | 2.14:1 | Fails | Lc -9.9 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D6D6F3
oklch(88.5% 0.04 285.6)
-
Step 300
300
#BCBAED
oklch(80.8% 0.072 286.5)
-
Step 400
400
#9B95E5
oklch(70.7% 0.116 286.5)
-
Step 500
500
#8479DD
oklch(63.1% 0.147 286.4)
-
Step 600
600
#6F60CA
oklch(55.6% 0.158 286.5)
-
Step 700
700
#5D4EAF
oklch(49% 0.149 286.6)
-
Step 800
800
#4C418E
oklch(42.8% 0.123 286.5)
-
Step 900
900 (this color)
#433C76
oklch(39.3% 0.096 286.7)
-
Step 950
950
#252142
oklch(27% 0.06 287.2)
#433C76 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) | #264578 | 0.044 |
| Deuteranopia (no green cones) | #254275 | 0.043 |
| Tritanopia (no blue cones) | #344853 | 0.081 |
| Achromatopsia (no color) | #444444 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433C76
#433C76
oklch(39.3% 0.096 286.7)
- #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 #433C76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.036
- Blueberry #464196 ΔE 0.054
- Twilight Blue #0A437A ΔE 0.062
- Cobalt #1E488F ΔE 0.063
- Twilight #4E518B ΔE 0.068
- Light Navy #155084 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.071
- Dusk #4E5481 ΔE 0.072
Use #433C76 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.