#5B247A
Closest named color: Rebecca Purple (#663399). oklch(38.3% 0.143 310.7), rgb(91, 36, 122).
Aa
White text reads best on this color (10.61:1).
About this color
#5B247A is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.143 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.062 away. White text reads best on it, at 10.61:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #5B247A |
| RGB | rgb(91, 36, 122) |
| HSL | hsl(278, 54%, 31%) |
| OKLCH | oklch(38.3% 0.143 310.7) |
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 #5B247A | 10.61:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #5B247A | 1.97:1 | Fails | Lc 10.0 | Not readable |
| #5B247A text on white | 10.61:1 | AAA | Lc 94.0 | Preferred for body text |
| #5B247A text on black | 1.97:1 | Fails | Lc -8.6 | 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
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#F0E4FA
oklch(93.5% 0.032 309.9)
-
Step 200
200
#E6CFF7
oklch(88.6% 0.059 310.8)
-
Step 300
300
#D7ADF4
oklch(80.9% 0.107 311)
-
Step 400
400
#C27EEF
oklch(70.8% 0.172 310.5)
-
Step 500
500
#B356E9
oklch(63.1% 0.22 310.8)
-
Step 600
600
#9F32D7
oklch(55.7% 0.239 310.9)
-
Step 700
700
#8821BA
oklch(49.1% 0.222 311)
-
Step 800
800
#6E2097
oklch(42.7% 0.184 310.6)
-
Step 900
900 (this color)
#5B247A
oklch(38.3% 0.143 310.7)
-
Step 950
950
#341646
oklch(27% 0.09 310.6)
#5B247A 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) | #003C7D | 0.126 |
| Deuteranopia (no green cones) | #183F78 | 0.116 |
| Tritanopia (no blue cones) | #57364C | 0.097 |
| Achromatopsia (no color) | #3E3E3E | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B247A
#5B247A
oklch(38.3% 0.143 310.7)
- #2F4E00
#2F4E00
oklch(38.5% 0.105 130.8)
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 #5B247A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.062
- Indigo #4B0082 ΔE 0.063
- Royal Purple #4B006E ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.068
- Grape Purple #5D1451 ΔE 0.073
- Purple #800080 ΔE 0.081
- Rich Purple #720058 ΔE 0.083
- Blueberry #464196 ΔE 0.083
Use #5B247A 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.