#5A3798
Closest named color: Rebecca Purple (#663399). oklch(43.2% 0.151 296.1), rgb(90, 55, 152).
Aa
White text reads best on this color (8.62:1).
About this color
#5A3798 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.151 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.023 away. White text reads best on it, at 8.62:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.43:1 |
| White text | 8.62:1 |
Values
| HEX | #5A3798 |
| RGB | rgb(90, 55, 152) |
| HSL | hsl(262, 47%, 41%) |
| OKLCH | oklch(43.2% 0.151 296.1) |
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 #5A3798 | 8.62:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #5A3798 | 2.43:1 | Fails | Lc 14.8 | Not readable |
| #5A3798 text on white | 8.62:1 | AAA | Lc 89.2 | Fine for body text |
| #5A3798 text on black | 2.43:1 | Fails | Lc -13.0 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DBD3F7
oklch(88.5% 0.05 295.5)
-
Step 300
300
#C5B5F4
oklch(80.8% 0.089 296)
-
Step 400
400
#A98CEE
oklch(70.6% 0.142 296.2)
-
Step 500
500
#956CE8
oklch(63% 0.181 296.1)
-
Step 600
600
#8150D7
oklch(55.6% 0.197 296.1)
-
Step 700
700
#6D40BA
oklch(49.1% 0.182 295.9)
-
Step 800
800 (this color)
#5A3798
oklch(43.2% 0.151 296.1)
-
Step 900
900
#493078
oklch(37.8% 0.118 296.3)
-
Step 950
950
#2A1D46
oklch(27% 0.074 295.6)
#5A3798 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) | #004C9B | 0.102 |
| Deuteranopia (no green cones) | #004A96 | 0.103 |
| Tritanopia (no blue cones) | #4A4D62 | 0.119 |
| Achromatopsia (no color) | #4C4C4C | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3798
#5A3798
oklch(43.2% 0.151 296.1)
- #4E5600
#4E5600
oklch(43.1% 0.098 115.8)
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 #5A3798, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.023
- Blueberry #464196 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.040
- Chrysanthemum #560BAD ΔE 0.070
- Twilight #4E518B ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.076
- Bluey Purple #6241C7 ΔE 0.079
- Imperial Purple #480CA8 ΔE 0.080
Use #5A3798 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.