#5C3891
Closest named color: Rebecca Purple (#663399). oklch(43% 0.141 299), rgb(92, 56, 145).
Aa
White text reads best on this color (8.64:1).
About this color
#5C3891 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.141 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.024 away. White text reads best on it, at 8.64:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #5C3891 |
| RGB | rgb(92, 56, 145) |
| HSL | hsl(264, 44%, 39%) |
| OKLCH | oklch(43% 0.141 299) |
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 #5C3891 | 8.64:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #5C3891 | 2.42:1 | Fails | Lc 14.7 | Not readable |
| #5C3891 text on white | 8.64:1 | AAA | Lc 89.3 | Fine for body text |
| #5C3891 text on black | 2.42:1 | 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
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F4
oklch(88.5% 0.046 299.3)
-
Step 300
300
#C8B5EF
oklch(80.9% 0.083 299.6)
-
Step 400
400
#AC8DE7
oklch(70.7% 0.132 298.9)
-
Step 500
500
#996DE0
oklch(63.1% 0.17 299.1)
-
Step 600
600
#8452CE
oklch(55.6% 0.184 298.8)
-
Step 700
700
#7042B2
oklch(49.1% 0.171 298.9)
-
Step 800
800 (this color)
#5C3891
oklch(43% 0.141 299)
-
Step 900
900
#4A3173
oklch(37.7% 0.11 298.5)
-
Step 950
950
#2B1D43
oklch(26.9% 0.07 298.6)
#5C3891 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) | #004C94 | 0.106 |
| Deuteranopia (no green cones) | #174B8F | 0.097 |
| Tritanopia (no blue cones) | #504B5F | 0.108 |
| Achromatopsia (no color) | #4C4C4C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C3891
#5C3891
oklch(43% 0.141 299)
- #4A5700
#4A5700
oklch(43% 0.101 119.2)
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 #5C3891, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.024
- Dark Slate Blue #483D8B ΔE 0.038
- Blueberry #464196 ΔE 0.042
- Twilight #4E518B ΔE 0.068
- Chrysanthemum #560BAD ΔE 0.080
- Dusk #4E5481 ΔE 0.084
- Blue With A Hint Of Purple #533CC6 ΔE 0.087
- Bluey Purple #6241C7 ΔE 0.089
Use #5C3891 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.