#5A318D
Closest named color: Rebecca Purple (#663399). oklch(41.4% 0.146 300.6), rgb(90, 49, 141).
Aa
White text reads best on this color (9.29:1).
About this color
#5A318D is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.146 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.030 away. White text reads best on it, at 9.29:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.25:1 |
| White text | 9.29:1 |
Values
| HEX | #5A318D |
| RGB | rgb(90, 49, 141) |
| HSL | hsl(267, 48%, 37%) |
| OKLCH | oklch(41.4% 0.146 300.6) |
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 #5A318D | 9.29:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #5A318D | 2.25:1 | Fails | Lc 13.0 | Not readable |
| #5A318D text on white | 9.29:1 | AAA | Lc 91.0 | Preferred for body text |
| #5A318D text on black | 2.25:1 | Fails | Lc -11.4 | 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 800.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE6F8
oklch(93.5% 0.025 301.1)
-
Step 200
200
#DED3F4
oklch(88.6% 0.046 300.7)
-
Step 300
300
#C9B4F0
oklch(80.8% 0.086 300.5)
-
Step 400
400
#AF8BE8
oklch(70.7% 0.137 300.8)
-
Step 500
500
#9C6BE1
oklch(63.1% 0.175 300.7)
-
Step 600
600
#874FCF
oklch(55.5% 0.19 300.4)
-
Step 700
700
#733FB3
oklch(49.1% 0.176 300.6)
-
Step 800
800 (this color)
#5A318D
oklch(41.4% 0.146 300.6)
-
Step 900
900
#4C2F74
oklch(37.6% 0.115 300.4)
-
Step 950
950
#2D1C44
oklch(27% 0.073 301.3)
#5A318D 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) | #004790 | 0.109 |
| Deuteranopia (no green cones) | #0B468B | 0.106 |
| Tritanopia (no blue cones) | #4F455A | 0.110 |
| Achromatopsia (no color) | #474747 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A318D
#5A318D
oklch(41.4% 0.146 300.6)
- #445300
#445300
oklch(41.4% 0.099 120.9)
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 #5A318D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.030
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.050
- Chrysanthemum #560BAD ΔE 0.072
- Imperial Purple #480CA8 ΔE 0.080
- Twilight #4E518B ΔE 0.082
- Indigo #4B0082 ΔE 0.082
- Grape #7209B7 ΔE 0.089
Use #5A318D 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.