#53287B
Closest named color: Dark Slate Blue (#483D8B). oklch(37.9% 0.136 304.5), rgb(83, 40, 123).
Aa
White text reads best on this color (10.72:1).
About this color
#53287B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.136 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.056 away. White text reads best on it, at 10.72:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.72:1 |
Values
| HEX | #53287B |
| RGB | rgb(83, 40, 123) |
| HSL | hsl(271, 51%, 32%) |
| OKLCH | oklch(37.9% 0.136 304.5) |
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 #53287B | 10.72:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #53287B | 1.95:1 | Fails | Lc 9.6 | Not readable |
| #53287B text on white | 10.72:1 | AAA | Lc 94.3 | Preferred for body text |
| #53287B text on black | 1.95:1 | Fails | Lc -8.2 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE5FA
oklch(93.5% 0.03 305.1)
-
Step 200
200
#E1D0F8
oklch(88.4% 0.057 304.5)
-
Step 300
300
#CFB0F6
oklch(80.8% 0.102 304.5)
-
Step 400
400
#B883F2
oklch(70.7% 0.164 304.6)
-
Step 500
500
#A75EED
oklch(63.1% 0.21 304.6)
-
Step 600
600
#933EDB
oklch(55.6% 0.227 304.7)
-
Step 700
700
#7D2EBE
oklch(49.1% 0.211 304.5)
-
Step 800
800
#66289A
oklch(42.7% 0.176 304.7)
-
Step 900
900 (this color)
#53287B
oklch(37.9% 0.136 304.5)
-
Step 950
950
#301848
oklch(26.9% 0.087 304.2)
#53287B 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) | #003D7E | 0.109 |
| Deuteranopia (no green cones) | #0F3E79 | 0.104 |
| Tritanopia (no blue cones) | #4C3A4E | 0.098 |
| Achromatopsia (no color) | #3E3E3E | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53287B
#53287B
oklch(37.9% 0.136 304.5)
- #374A00
#374A00
oklch(37.9% 0.095 124.6)
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 #53287B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Indigo #4B0082 ΔE 0.059
- Rebecca Purple #663399 ΔE 0.066
- Royal Purple #4B006E ΔE 0.066
- Blueberry #464196 ΔE 0.073
- Grape Purple #5D1451 ΔE 0.080
- Imperial Purple #480CA8 ΔE 0.087
- Chrysanthemum #560BAD ΔE 0.088
Use #53287B 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.