#5B2D72
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.12 312.9), rgb(91, 45, 114).
Aa
White text reads best on this color (10.17:1).
About this color
#5B2D72 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.120 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.062 away. White text reads best on it, at 10.17:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.17:1 |
Values
| HEX | #5B2D72 |
| RGB | rgb(91, 45, 114) |
| HSL | hsl(280, 43%, 31%) |
| OKLCH | oklch(39% 0.12 312.9) |
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 #5B2D72 | 10.17:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #5B2D72 | 2.06:1 | Fails | Lc 10.7 | Not readable |
| #5B2D72 text on white | 10.17:1 | AAA | Lc 93.2 | Preferred for body text |
| #5B2D72 text on black | 2.06:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E5D0F1
oklch(88.5% 0.05 313.4)
-
Step 300
300
#D5B0EB
oklch(80.9% 0.09 312.7)
-
Step 400
400
#C084E0
oklch(70.8% 0.144 313.1)
-
Step 500
500
#AF61D7
oklch(63% 0.184 312.8)
-
Step 600
600
#9B43C5
oklch(55.6% 0.201 312.9)
-
Step 700
700
#8433AA
oklch(49% 0.187 312.8)
-
Step 800
800
#6B2C89
oklch(42.6% 0.154 312.9)
-
Step 900
900 (this color)
#5B2D72
oklch(39% 0.12 312.9)
-
Step 950
950
#331940
oklch(26.9% 0.076 313.2)
#5B2D72 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) | #183F74 | 0.107 |
| Deuteranopia (no green cones) | #294270 | 0.095 |
| Tritanopia (no blue cones) | #59394B | 0.081 |
| Achromatopsia (no color) | #414141 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2D72
#5B2D72
oklch(39% 0.12 312.9)
- #2C5100
#2C5100
oklch(39.2% 0.111 133)
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 #5B2D72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.062
- Rebecca Purple #663399 ΔE 0.068
- Grape Purple #5D1451 ΔE 0.069
- Blueberry #464196 ΔE 0.080
- Rich Purple #720058 ΔE 0.081
- Royal Purple #4B006E ΔE 0.083
- Indigo #4B0082 ΔE 0.083
- Velvet #750851 ΔE 0.087
Use #5B2D72 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.