#5A399D
Closest named color: Rebecca Purple (#663399). oklch(43.9% 0.155 294.3), rgb(90, 57, 157).
Aa
White text reads best on this color (8.37:1).
About this color
#5A399D is a dark, vivid purple. In OKLCH its lightness is 44%, its chroma 0.155 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.026 away. White text reads best on it, at 8.37:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.50:1 |
| White text | 8.37:1 |
Values
| HEX | #5A399D |
| RGB | rgb(90, 57, 157) |
| HSL | hsl(260, 47%, 42%) |
| OKLCH | oklch(43.9% 0.155 294.3) |
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 #5A399D | 8.37:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #5A399D | 2.50:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #5A399D text on white | 8.37:1 | AAA | Lc 88.4 | Fine for body text |
| #5A399D text on black | 2.50:1 | Fails | Lc -13.7 | 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
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD3F8
oklch(88.4% 0.051 294)
-
Step 300
300
#C4B6F6
oklch(81% 0.09 294.3)
-
Step 400
400
#A78DF1
oklch(70.8% 0.144 294.4)
-
Step 500
500
#936CEC
oklch(63.1% 0.186 294.5)
-
Step 600
600
#7E50DA
oklch(55.5% 0.201 294.2)
-
Step 700
700
#6B3FBD
oklch(49% 0.187 294.5)
-
Step 800
800 (this color)
#5A399D
oklch(43.9% 0.155 294.3)
-
Step 900
900
#47307A
oklch(37.7% 0.121 294.2)
-
Step 950
950
#291D47
oklch(26.9% 0.076 293.9)
#5A399D 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) | #004FA0 | 0.100 |
| Deuteranopia (no green cones) | #004C9B | 0.100 |
| Tritanopia (no blue cones) | #485065 | 0.123 |
| Achromatopsia (no color) | #4E4E4E | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A399D
#5A399D
oklch(43.9% 0.155 294.3)
- #525800
#525800
oklch(44% 0.099 114.3)
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 #5A399D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.026
- Blueberry #464196 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.044
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Chrysanthemum #560BAD ΔE 0.070
- Bluey Purple #6241C7 ΔE 0.070
- Twilight #4E518B ΔE 0.072
- Blurple #5539CC ΔE 0.076
Use #5A399D 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.