#5A3E7B
Closest named color: Dark Slate Blue (#483D8B). oklch(42.4% 0.102 303.5), rgb(90, 62, 123).
Aa
White text reads best on this color (8.71:1).
About this color
#5A3E7B is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.102 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.042 away. White text reads best on it, at 8.71:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.40:1 |
| White text | 8.71:1 |
Values
| HEX | #5A3E7B |
| RGB | rgb(90, 62, 123) |
| HSL | hsl(268, 33%, 36%) |
| OKLCH | oklch(42.4% 0.102 303.5) |
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 #5A3E7B | 8.71:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #5A3E7B | 2.40:1 | Fails | Lc 14.3 | Not readable |
| #5A3E7B text on white | 8.71:1 | AAA | Lc 89.7 | Fine for body text |
| #5A3E7B text on black | 2.40:1 | Fails | Lc -12.6 | 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
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DDD4EC
oklch(88.4% 0.034 302.7)
-
Step 300
300
#C8B8E1
oklch(80.9% 0.059 302.9)
-
Step 400
400
#AD92D1
oklch(70.7% 0.095 303.7)
-
Step 500
500
#9976C5
oklch(63.1% 0.121 303.5)
-
Step 600
600
#845DB2
oklch(55.6% 0.133 303.6)
-
Step 700
700
#704C99
oklch(49.1% 0.124 303.8)
-
Step 800
800 (this color)
#5A3E7B
oklch(42.4% 0.102 303.5)
-
Step 900
900
#4B3664
oklch(37.8% 0.08 303.9)
-
Step 950
950
#2C203A
oklch(27% 0.049 304.5)
#5A3E7B 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) | #2C4A7D | 0.073 |
| Deuteranopia (no green cones) | #344B79 | 0.067 |
| Tritanopia (no blue cones) | #544956 | 0.078 |
| Achromatopsia (no color) | #4B4B4B | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3E7B
#5A3E7B
oklch(42.4% 0.102 303.5)
- #435705
#435705
oklch(42.5% 0.102 123.9)
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 #5A3E7B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Twilight #4E518B ΔE 0.055
- Blueberry #464196 ΔE 0.056
- Rebecca Purple #663399 ΔE 0.061
- Dusk #4E5481 ΔE 0.061
- Dusty Grape #545775 ΔE 0.074
- Dusk Blue #26538D ΔE 0.087
- YInMn Blue #415A77 ΔE 0.087
Use #5A3E7B 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.