#433671
Closest named color: Dark Slate Blue (#483D8B). oklch(37.8% 0.098 291.1), rgb(67, 54, 113).
Aa
White text reads best on this color (10.47:1).
About this color
#433671 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.098 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.047 away. White text reads best on it, at 10.47:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.47:1 |
Values
| HEX | #433671 |
| RGB | rgb(67, 54, 113) |
| HSL | hsl(253, 35%, 33%) |
| OKLCH | oklch(37.8% 0.098 291.1) |
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 #433671 | 10.47:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #433671 | 2.00:1 | Fails | Lc 9.8 | Not readable |
| #433671 text on white | 10.47:1 | AAA | Lc 94.1 | Preferred for body text |
| #433671 text on black | 2.00:1 | Fails | Lc -8.4 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D9D5F3
oklch(88.5% 0.041 291.7)
-
Step 300
300
#C0B9ED
oklch(80.9% 0.073 290.8)
-
Step 400
400
#A193E4
oklch(70.7% 0.117 291)
-
Step 500
500
#8B76DC
oklch(63.1% 0.15 290.9)
-
Step 600
600
#765CCA
oklch(55.5% 0.164 291)
-
Step 700
700
#644BAE
oklch(49.1% 0.152 291.4)
-
Step 800
800
#513E8D
oklch(42.6% 0.126 291.2)
-
Step 900
900 (this color)
#433671
oklch(37.8% 0.098 291.1)
-
Step 950
950
#272042
oklch(27% 0.062 291.2)
#433671 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) | #1F4073 | 0.054 |
| Deuteranopia (no green cones) | #203E70 | 0.052 |
| Tritanopia (no blue cones) | #37424E | 0.080 |
| Achromatopsia (no color) | #3F3F3F | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433671
#433671
oklch(37.8% 0.098 291.1)
- #444500
#444500
oklch(37.7% 0.083 110.7)
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 #433671, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Blueberry #464196 ΔE 0.066
- Twilight Blue #0A437A ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.075
- Cobalt #1E488F ΔE 0.075
- Dark Grey Blue #29465B ΔE 0.076
- Marine Blue #01386A ΔE 0.076
- Twilight #4E518B ΔE 0.084
Use #433671 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.