#5C398E
Closest named color: Rebecca Purple (#663399). oklch(43% 0.136 299.7), rgb(92, 57, 142).
Aa
White text reads best on this color (8.63:1).
About this color
#5C398E is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.136 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.028 away. White text reads best on it, at 8.63:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.43:1 |
| White text | 8.63:1 |
Values
| HEX | #5C398E |
| RGB | rgb(92, 57, 142) |
| HSL | hsl(265, 43%, 39%) |
| OKLCH | oklch(43% 0.136 299.7) |
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 #5C398E | 8.63:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #5C398E | 2.43:1 | Fails | Lc 14.7 | Not readable |
| #5C398E text on white | 8.63:1 | AAA | Lc 89.3 | Fine for body text |
| #5C398E text on black | 2.43:1 | Fails | Lc -12.9 | 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
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD3F3
oklch(88.5% 0.045 299.7)
-
Step 300
300
#C8B6ED
oklch(81% 0.079 299.6)
-
Step 400
400
#AD8DE4
oklch(70.7% 0.128 300.1)
-
Step 500
500
#996FDC
oklch(63.2% 0.162 299.5)
-
Step 600
600
#8454CA
oklch(55.6% 0.177 299.4)
-
Step 700
700
#7043AE
oklch(49% 0.164 299.7)
-
Step 800
800 (this color)
#5C398E
oklch(43% 0.136 299.7)
-
Step 900
900
#4B3271
oklch(37.8% 0.106 299.7)
-
Step 950
950
#2C1E42
oklch(27.1% 0.066 300)
#5C398E 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) | #0D4B91 | 0.101 |
| Deuteranopia (no green cones) | #1E4B8C | 0.093 |
| Tritanopia (no blue cones) | #514B5E | 0.104 |
| Achromatopsia (no color) | #4C4C4C | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C398E
#5C398E
oklch(43% 0.136 299.7)
- #495700
#495700
oklch(42.9% 0.102 119.9)
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 #5C398E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.036
- Blueberry #464196 ΔE 0.042
- Twilight #4E518B ΔE 0.065
- Dusk #4E5481 ΔE 0.080
- Chrysanthemum #560BAD ΔE 0.085
- Cobalt #1E488F ΔE 0.090
- Blue With A Hint Of Purple #533CC6 ΔE 0.092
Use #5C398E 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.