#433F69
Closest named color: Dark Grey Blue (#29465B). oklch(39.1% 0.07 287), rgb(67, 63, 105).
Aa
White text reads best on this color (9.75:1).
About this color
#433F69 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.070 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.051 away. White text reads best on it, at 9.75:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #433F69 |
| RGB | rgb(67, 63, 105) |
| HSL | hsl(246, 25%, 33%) |
| OKLCH | oklch(39.1% 0.07 287) |
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 #433F69 | 9.75:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #433F69 | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #433F69 text on white | 9.75:1 | AAA | Lc 92.6 | Preferred for body text |
| #433F69 text on black | 2.15:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F4
oklch(93.7% 0.015 286.1)
-
Step 200
200
#D7D7EC
oklch(88.6% 0.029 285.8)
-
Step 300
300
#BEBCE2
oklch(80.9% 0.053 287.6)
-
Step 400
400
#9D99D3
oklch(70.8% 0.084 287.2)
-
Step 500
500
#857FC7
oklch(63.1% 0.107 286.7)
-
Step 600
600
#7067B4
oklch(55.7% 0.117 287.3)
-
Step 700
700
#5D559B
oklch(49% 0.11 286.9)
-
Step 800
800
#4C467D
oklch(42.6% 0.089 287)
-
Step 900
900 (this color)
#433F69
oklch(39.1% 0.07 287)
-
Step 950
950
#25233B
oklch(27% 0.044 286.9)
#433F69 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) | #32456B | 0.029 |
| Deuteranopia (no green cones) | #314368 | 0.029 |
| Tritanopia (no blue cones) | #39474F | 0.060 |
| Achromatopsia (no color) | #444444 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433F69
#433F69
oklch(39.1% 0.07 287)
- #4A4815
#4A4815
oklch(39.2% 0.07 107.1)
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 #433F69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.051
- Dark Slate Blue #483D8B ΔE 0.059
- Charcoal #264653 ΔE 0.064
- Twilight Blue #0A437A ΔE 0.065
- Dusk #4E5481 ΔE 0.070
- Light Navy #155084 ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.072
- Prussian Blue #1D3557 ΔE 0.073
Use #433F69 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.