#53278D
Closest named color: Rebecca Purple (#663399). oklch(39.2% 0.159 298.4), rgb(83, 39, 141).
Aa
White text reads best on this color (10.28:1).
About this color
#53278D is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.159 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.050 away. White text reads best on it, at 10.28:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #53278D |
| RGB | rgb(83, 39, 141) |
| HSL | hsl(266, 57%, 35%) |
| OKLCH | oklch(39.2% 0.159 298.4) |
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 #53278D | 10.28:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #53278D | 2.04:1 | Fails | Lc 10.8 | Not readable |
| #53278D text on white | 10.28:1 | AAA | Lc 93.2 | Preferred for body text |
| #53278D text on black | 2.04:1 | Fails | Lc -9.3 | 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
#ECE5FE
oklch(93.5% 0.034 298.5)
-
Step 200
200
#DED1FF
oklch(88.6% 0.064 298)
-
Step 300
300
#CAB1FF
oklch(81% 0.111 298.6)
-
Step 400
400
#B083FF
oklch(70.6% 0.179 298.5)
-
Step 500
500
#9F5CFF
oklch(63.2% 0.231 298.4)
-
Step 600
600
#8D2FF5
oklch(55.7% 0.265 298.4)
-
Step 700
700
#781CD5
oklch(49.1% 0.246 298.4)
-
Step 800
800
#611DAC
oklch(42.6% 0.204 298.3)
-
Step 900
900 (this color)
#53278D
oklch(39.2% 0.159 298.4)
-
Step 950
950
#2E1650
oklch(27% 0.101 298.3)
#53278D 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) | #004190 | 0.106 |
| Deuteranopia (no green cones) | #00408B | 0.107 |
| Tritanopia (no blue cones) | #454057 | 0.120 |
| Achromatopsia (no color) | #414141 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53278D
#53278D
oklch(39.2% 0.159 298.4)
- #414C00
#414C00
oklch(39.3% 0.092 118.8)
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 #53278D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.050
- Dark Slate Blue #483D8B ΔE 0.051
- Indigo #4B0082 ΔE 0.058
- Chrysanthemum #560BAD ΔE 0.059
- Imperial Purple #480CA8 ΔE 0.061
- Blueberry #464196 ΔE 0.061
- Royal Purple #4B006E ΔE 0.079
- Indigo Blue #3A18B1 ΔE 0.082
Use #53278D 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.