#5A2F72
Closest named color: Dark Slate Blue (#483D8B). oklch(39.2% 0.117 311.8), rgb(90, 47, 114).
Aa
White text reads best on this color (10.07:1).
About this color
#5A2F72 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.117 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.059 away. White text reads best on it, at 10.07:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #5A2F72 |
| RGB | rgb(90, 47, 114) |
| HSL | hsl(279, 42%, 32%) |
| OKLCH | oklch(39.2% 0.117 311.8) |
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 #5A2F72 | 10.07:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #5A2F72 | 2.08:1 | Fails | Lc 10.9 | Not readable |
| #5A2F72 text on white | 10.07:1 | AAA | Lc 93.0 | Preferred for body text |
| #5A2F72 text on black | 2.08:1 | Fails | Lc -9.4 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F7
oklch(93.6% 0.027 312.6)
-
Step 200
200
#E4D1F1
oklch(88.6% 0.048 311.7)
-
Step 300
300
#D4B1EA
oklch(81% 0.087 312.1)
-
Step 400
400
#BD85DF
oklch(70.6% 0.14 311.8)
-
Step 500
500
#AD63D6
oklch(63% 0.179 312.1)
-
Step 600
600
#9846C4
oklch(55.6% 0.195 311.7)
-
Step 700
700
#8237A9
oklch(49.2% 0.18 311.8)
-
Step 800
800
#6A2E89
oklch(42.7% 0.151 312.1)
-
Step 900
900 (this color)
#5A2F72
oklch(39.2% 0.117 311.8)
-
Step 950
950
#321A40
oklch(27% 0.073 311.6)
#5A2F72 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) | #1B4074 | 0.101 |
| Deuteranopia (no green cones) | #2B4370 | 0.090 |
| Tritanopia (no blue cones) | #573B4B | 0.081 |
| Achromatopsia (no color) | #424242 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A2F72
#5A2F72
oklch(39.2% 0.117 311.8)
- #2F5100
#2F5100
oklch(39.3% 0.109 131.7)
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 #5A2F72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.059
- Rebecca Purple #663399 ΔE 0.068
- Grape Purple #5D1451 ΔE 0.072
- Blueberry #464196 ΔE 0.077
- Rich Purple #720058 ΔE 0.085
- Royal Purple #4B006E ΔE 0.086
- Indigo #4B0082 ΔE 0.086
- Velvet #750851 ΔE 0.089
Use #5A2F72 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.