#56287F
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.142 304.9), rgb(86, 40, 127).
Aa
White text reads best on this color (10.47:1).
About this color
#56287F is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.142 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 10.47:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.00:1 |
| White text | 10.47:1 |
Values
| HEX | #56287F |
| RGB | rgb(86, 40, 127) |
| HSL | hsl(272, 52%, 33%) |
| OKLCH | oklch(38.6% 0.142 304.9) |
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 #56287F | 10.47:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #56287F | 2.00:1 | Fails | Lc 10.2 | Not readable |
| #56287F text on white | 10.47:1 | AAA | Lc 93.7 | Preferred for body text |
| #56287F text on black | 2.00:1 | Fails | Lc -8.8 | 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
#EEE5FB
oklch(93.5% 0.031 304.3)
-
Step 200
200
#E2D0F9
oklch(88.5% 0.059 305.1)
-
Step 300
300
#D0AFF8
oklch(80.8% 0.107 304.8)
-
Step 400
400
#B981F5
oklch(70.6% 0.171 304.7)
-
Step 500
500
#A95BF0
oklch(63.1% 0.218 305)
-
Step 600
600
#9539DF
oklch(55.7% 0.237 304.9)
-
Step 700
700
#7F29C1
oklch(49.1% 0.219 305)
-
Step 800
800
#67259C
oklch(42.7% 0.181 305)
-
Step 900
900 (this color)
#56287F
oklch(38.6% 0.142 304.9)
-
Step 950
950
#311749
oklch(27% 0.091 305)
#56287F 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) | #003E82 | 0.113 |
| Deuteranopia (no green cones) | #0D3F7D | 0.109 |
| Tritanopia (no blue cones) | #4F3B50 | 0.102 |
| Achromatopsia (no color) | #3F3F3F | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56287F
#56287F
oklch(38.6% 0.142 304.9)
- #384C00
#384C00
oklch(38.5% 0.097 125)
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 #56287F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Rebecca Purple #663399 ΔE 0.058
- Indigo #4B0082 ΔE 0.061
- Blueberry #464196 ΔE 0.070
- Royal Purple #4B006E ΔE 0.071
- Chrysanthemum #560BAD ΔE 0.082
- Imperial Purple #480CA8 ΔE 0.084
- Grape Purple #5D1451 ΔE 0.085
Use #56287F 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.