#5A4281
Closest named color: Dark Slate Blue (#483D8B). oklch(43.5% 0.103 299.7), rgb(90, 66, 129).
Aa
White text reads best on this color (8.29:1).
About this color
#5A4281 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.103 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 8.29:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.53:1 |
| White text | 8.29:1 |
Values
| HEX | #5A4281 |
| RGB | rgb(90, 66, 129) |
| HSL | hsl(263, 32%, 38%) |
| OKLCH | oklch(43.5% 0.103 299.7) |
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 #5A4281 | 8.29:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #5A4281 | 2.53:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #5A4281 text on white | 8.29:1 | AAA | Lc 88.5 | Fine for body text |
| #5A4281 text on black | 2.53:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE7F4
oklch(93.5% 0.018 300.1)
-
Step 200
200
#DCD5ED
oklch(88.6% 0.033 299)
-
Step 300
300
#C6B8E3
oklch(80.8% 0.062 299.9)
-
Step 400
400
#A993D4
oklch(70.7% 0.096 299.5)
-
Step 500
500
#9577C9
oklch(63.1% 0.124 299.7)
-
Step 600
600
#805EB5
oklch(55.5% 0.134 300.1)
-
Step 700
700
#6C4D9C
oklch(49% 0.125 299.9)
-
Step 800
800 (this color)
#5A4281
oklch(43.5% 0.103 299.7)
-
Step 900
900
#483766
oklch(37.8% 0.08 299.2)
-
Step 950
950
#2A203C
oklch(26.9% 0.052 299.3)
#5A4281 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) | #2F4E83 | 0.068 |
| Deuteranopia (no green cones) | #344E7F | 0.064 |
| Tritanopia (no blue cones) | #524D5B | 0.080 |
| Achromatopsia (no color) | #4E4E4E | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A4281
#5A4281
oklch(43.5% 0.103 299.7)
- #4B5900
#4B5900
oklch(43.6% 0.103 119.7)
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 #5A4281, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Twilight #4E518B ΔE 0.043
- Blueberry #464196 ΔE 0.049
- Dusk #4E5481 ΔE 0.052
- Rebecca Purple #663399 ΔE 0.058
- Dusty Grape #545775 ΔE 0.067
- Denim Blue #3B5B92 ΔE 0.078
- Dusk Blue #26538D ΔE 0.079
Use #5A4281 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.