#5A3598
Closest named color: Rebecca Purple (#663399). oklch(42.9% 0.154 296.5), rgb(90, 53, 152).
Aa
White text reads best on this color (8.75:1).
About this color
#5A3598 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.154 and its hue 297°. 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 8.75:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #5A3598 |
| RGB | rgb(90, 53, 152) |
| HSL | hsl(262, 48%, 40%) |
| OKLCH | oklch(42.9% 0.154 296.5) |
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 #5A3598 | 8.75:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #5A3598 | 2.39:1 | Fails | Lc 14.5 | Not readable |
| #5A3598 text on white | 8.75:1 | AAA | Lc 89.5 | Fine for body text |
| #5A3598 text on black | 2.39:1 | Fails | Lc -12.7 | 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
#DCD3F7
oklch(88.5% 0.05 296.8)
-
Step 300
300
#C6B5F5
oklch(81% 0.091 296.5)
-
Step 400
400
#AA8CEF
oklch(70.8% 0.143 296.5)
-
Step 500
500
#966BEA
oklch(63.1% 0.185 296.3)
-
Step 600
600
#824FD8
oklch(55.7% 0.2 296.4)
-
Step 700
700
#6E3EBB
oklch(49% 0.186 296.5)
-
Step 800
800 (this color)
#5A3598
oklch(42.9% 0.154 296.5)
-
Step 900
900
#492F79
oklch(37.7% 0.121 296.3)
-
Step 950
950
#2B1C47
oklch(27% 0.078 297)
#5A3598 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) | #004B9B | 0.104 |
| Deuteranopia (no green cones) | #004996 | 0.104 |
| Tritanopia (no blue cones) | #4B4C61 | 0.121 |
| Achromatopsia (no color) | #4B4B4B | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3598
#5A3598
oklch(42.9% 0.154 296.5)
- #4D5600
#4D5600
oklch(43% 0.099 116.5)
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 #5A3598, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.023
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.042
- Chrysanthemum #560BAD ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.077
- Imperial Purple #480CA8 ΔE 0.077
- Twilight #4E518B ΔE 0.077
- Grape #7209B7 ΔE 0.080
Use #5A3598 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.