#56278A
Closest named color: Rebecca Purple (#663399). oklch(39.3% 0.156 301.2), rgb(86, 39, 138).
Aa
White text reads best on this color (10.22:1).
About this color
#56278A is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.156 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.048 away. White text reads best on it, at 10.22:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.05:1 |
| White text | 10.22:1 |
Values
| HEX | #56278A |
| RGB | rgb(86, 39, 138) |
| HSL | hsl(268, 56%, 35%) |
| OKLCH | oklch(39.3% 0.156 301.2) |
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 #56278A | 10.22:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #56278A | 2.05:1 | Fails | Lc 10.9 | Not readable |
| #56278A text on white | 10.22:1 | AAA | Lc 93.1 | Preferred for body text |
| #56278A text on black | 2.05:1 | Fails | Lc -9.4 | 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
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#EDE5FE
oklch(93.6% 0.035 300.3)
-
Step 200
200
#E0D0FE
oklch(88.5% 0.065 301)
-
Step 300
300
#CDAFFF
oklch(80.9% 0.115 301.1)
-
Step 400
400
#B580FF
oklch(70.6% 0.184 301.1)
-
Step 500
500
#A556FF
oklch(63% 0.239 301.2)
-
Step 600
600
#912FEE
oklch(55.5% 0.259 301.1)
-
Step 700
700
#7C1DD0
oklch(49.2% 0.242 301)
-
Step 800
800
#651DA8
oklch(42.7% 0.201 301.3)
-
Step 900
900 (this color)
#56278A
oklch(39.3% 0.156 301.2)
-
Step 950
950
#30164E
oklch(27.1% 0.099 301.4)
#56278A 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) | #00408D | 0.111 |
| Deuteranopia (no green cones) | #004088 | 0.112 |
| Tritanopia (no blue cones) | #4B3F55 | 0.117 |
| Achromatopsia (no color) | #414141 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56278A
#56278A
oklch(39.3% 0.156 301.2)
- #3F4D00
#3F4D00
oklch(39.4% 0.094 120.9)
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 #56278A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.053
- Indigo #4B0082 ΔE 0.059
- Blueberry #464196 ΔE 0.064
- Chrysanthemum #560BAD ΔE 0.064
- Imperial Purple #480CA8 ΔE 0.068
- Royal Purple #4B006E ΔE 0.078
- Indigo Blue #3A18B1 ΔE 0.090
Use #56278A 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.