#533663
Closest named color: Dark Slate Blue (#483D8B). oklch(38.7% 0.082 312.7), rgb(83, 54, 99).
Aa
White text reads best on this color (10.11:1).
About this color
#533663 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.082 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.069 away. White text reads best on it, at 10.11:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #533663 |
| RGB | rgb(83, 54, 99) |
| HSL | hsl(279, 29%, 30%) |
| OKLCH | oklch(38.7% 0.082 312.7) |
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 #533663 | 10.11:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #533663 | 2.07:1 | Fails | Lc 10.6 | Not readable |
| #533663 text on white | 10.11:1 | AAA | Lc 93.3 | Preferred for body text |
| #533663 text on black | 2.07:1 | Fails | Lc -9.2 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F3
oklch(93.7% 0.018 311.6)
-
Step 200
200
#E1D3EA
oklch(88.5% 0.035 312.4)
-
Step 300
300
#CEB6DD
oklch(80.9% 0.06 312.4)
-
Step 400
400
#B68FCC
oklch(70.8% 0.097 313)
-
Step 500
500
#A371BF
oklch(63% 0.125 312.7)
-
Step 600
600
#8E58AB
oklch(55.5% 0.136 312.7)
-
Step 700
700
#794893
oklch(49.1% 0.126 312.8)
-
Step 800
800
#623C77
oklch(42.7% 0.103 312.5)
-
Step 900
900 (this color)
#533663
oklch(38.7% 0.082 312.7)
-
Step 950
950
#2F1E38
oklch(26.9% 0.052 313.3)
#533663 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) | #2D4065 | 0.066 |
| Deuteranopia (no green cones) | #354262 | 0.059 |
| Tritanopia (no blue cones) | #523D47 | 0.058 |
| Achromatopsia (no color) | #424242 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533663
#533663
oklch(38.7% 0.082 312.7)
- #334D1C
#334D1C
oklch(38.7% 0.081 132.5)
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 #533663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.069
- Grape Purple #5D1451 ΔE 0.076
- Purple Brown #673A3F ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.081
- Charcoal Grey #3C4142 ΔE 0.085
- Onyx #343A40 ΔE 0.087
- Blueberry #464196 ΔE 0.088
- Dusk #4E5481 ΔE 0.088
Use #533663 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.