#5A2B72
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.123 312.6), rgb(90, 43, 114).
Aa
White text reads best on this color (10.37:1).
About this color
#5A2B72 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.123 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 0.064 away. White text reads best on it, at 10.37:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.02:1 |
| White text | 10.37:1 |
Values
| HEX | #5A2B72 |
| RGB | rgb(90, 43, 114) |
| HSL | hsl(280, 45%, 31%) |
| OKLCH | oklch(38.6% 0.123 312.6) |
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 #5A2B72 | 10.37:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #5A2B72 | 2.02:1 | Fails | Lc 10.3 | Not readable |
| #5A2B72 text on white | 10.37:1 | AAA | Lc 93.7 | Preferred for body text |
| #5A2B72 text on black | 2.02:1 | Fails | Lc -8.9 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E5D0F2
oklch(88.5% 0.051 312.6)
-
Step 300
300
#D5B0EC
oklch(81% 0.092 312.2)
-
Step 400
400
#C083E2
oklch(70.7% 0.148 312.6)
-
Step 500
500
#B060DA
oklch(63.2% 0.189 312.5)
-
Step 600
600
#9B41C7
oklch(55.5% 0.206 312.5)
-
Step 700
700
#8532AC
oklch(49.2% 0.191 312.7)
-
Step 800
800
#6C2B8B
oklch(42.7% 0.158 312.8)
-
Step 900
900 (this color)
#5A2B72
oklch(38.6% 0.123 312.6)
-
Step 950
950
#331941
oklch(27% 0.077 312.4)
#5A2B72 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) | #133D74 | 0.110 |
| Deuteranopia (no green cones) | #274170 | 0.097 |
| Tritanopia (no blue cones) | #57384A | 0.084 |
| Achromatopsia (no color) | #404040 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A2B72
#5A2B72
oklch(38.6% 0.123 312.6)
- #2C4F00
#2C4F00
oklch(38.6% 0.108 132.5)
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 #5A2B72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.064
- Grape Purple #5D1451 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.069
- Royal Purple #4B006E ΔE 0.077
- Indigo #4B0082 ΔE 0.078
- Rich Purple #720058 ΔE 0.080
- Blueberry #464196 ΔE 0.082
- Velvet #750851 ΔE 0.087
Use #5A2B72 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.