#433B69
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.077 290.3), rgb(67, 59, 105).
Aa
White text reads best on this color (10.15:1).
About this color
#433B69 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.077 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 0.058 away. White text reads best on it, at 10.15:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.15:1 |
Values
| HEX | #433B69 |
| RGB | rgb(67, 59, 105) |
| HSL | hsl(250, 28%, 32%) |
| OKLCH | oklch(38.3% 0.077 290.3) |
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 #433B69 | 10.15:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #433B69 | 2.06:1 | Fails | Lc 10.4 | Not readable |
| #433B69 text on white | 10.15:1 | AAA | Lc 93.5 | Preferred for body text |
| #433B69 text on black | 2.06:1 | Fails | Lc -9.0 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6ED
oklch(88.5% 0.031 289.7)
-
Step 300
300
#C0BBE4
oklch(81% 0.058 290.6)
-
Step 400
400
#A097D7
oklch(70.8% 0.093 290.3)
-
Step 500
500
#897CCC
oklch(63.1% 0.119 290)
-
Step 600
600
#7464B8
oklch(55.7% 0.127 290.4)
-
Step 700
700
#61529F
oklch(49% 0.12 290.2)
-
Step 800
800
#4F4481
oklch(42.8% 0.099 289.9)
-
Step 900
900 (this color)
#433B69
oklch(38.3% 0.077 290.3)
-
Step 950
950
#26223D
oklch(27% 0.049 289.5)
#433B69 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) | #2C426B | 0.037 |
| Deuteranopia (no green cones) | #2D4068 | 0.035 |
| Tritanopia (no blue cones) | #3A444D | 0.064 |
| Achromatopsia (no color) | #414141 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433B69
#433B69
oklch(38.3% 0.077 290.3)
- #46460B
#46460B
oklch(38.2% 0.076 109.5)
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 #433B69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.058
- Twilight Blue #0A437A ΔE 0.067
- Prussian Blue #1D3557 ΔE 0.069
- Charcoal #264653 ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.075
- Blueberry #464196 ΔE 0.075
- Marine Blue #01386A ΔE 0.076
Use #433B69 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.