#5B2770
Closest named color: Grape Purple (#5D1451). oklch(38% 0.128 314.9), rgb(91, 39, 112).
Aa
White text reads best on this color (10.66:1).
About this color
#5B2770 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.128 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.060 away. White text reads best on it, at 10.66:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.96:1 |
| White text | 10.66:1 |
Values
| HEX | #5B2770 |
| RGB | rgb(91, 39, 112) |
| HSL | hsl(283, 48%, 30%) |
| OKLCH | oklch(38% 0.128 314.9) |
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 #5B2770 | 10.66:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #5B2770 | 1.96:1 | Fails | Lc 9.7 | Not readable |
| #5B2770 text on white | 10.66:1 | AAA | Lc 94.2 | Preferred for body text |
| #5B2770 text on black | 1.96:1 | Fails | Lc -8.4 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E5F7
oklch(93.7% 0.027 314.7)
-
Step 200
200
#E7CFF2
oklch(88.5% 0.054 315.3)
-
Step 300
300
#D8AEEC
oklch(80.9% 0.097 314.7)
-
Step 400
400
#C481E2
oklch(70.8% 0.153 314.7)
-
Step 500
500
#B45CD9
oklch(63.1% 0.196 314.7)
-
Step 600
600
#A03CC6
oklch(55.6% 0.213 315.1)
-
Step 700
700
#892CAB
oklch(49.1% 0.198 315.2)
-
Step 800
800
#6F278B
oklch(42.7% 0.164 314.8)
-
Step 900
900 (this color)
#5B2770
oklch(38% 0.128 314.9)
-
Step 950
950
#351741
oklch(27% 0.082 315.3)
#5B2770 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) | #0D3B72 | 0.120 |
| Deuteranopia (no green cones) | #26406E | 0.104 |
| Tritanopia (no blue cones) | #593447 | 0.085 |
| Achromatopsia (no color) | #3E3E3E | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2770
#5B2770
oklch(38% 0.128 314.9)
- #264E00
#264E00
oklch(37.9% 0.11 134.7)
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 #5B2770, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.060
- Royal Purple #4B006E ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.072
- Rich Purple #720058 ΔE 0.074
- Rebecca Purple #663399 ΔE 0.074
- Indigo #4B0082 ΔE 0.075
- Velvet #750851 ΔE 0.081
- Plum Purple #4E0550 ΔE 0.083
Use #5B2770 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.