#5A3D7D
Closest named color: Dark Slate Blue (#483D8B). oklch(42.3% 0.106 303.1), rgb(90, 61, 125).
Aa
White text reads best on this color (8.75:1).
About this color
#5A3D7D is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.106 and its hue 303°. 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 8.75:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #5A3D7D |
| RGB | rgb(90, 61, 125) |
| HSL | hsl(267, 34%, 36%) |
| OKLCH | oklch(42.3% 0.106 303.1) |
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 #5A3D7D | 8.75:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #5A3D7D | 2.39:1 | Fails | Lc 14.2 | Not readable |
| #5A3D7D text on white | 8.75:1 | AAA | Lc 89.8 | Fine for body text |
| #5A3D7D text on black | 2.39:1 | Fails | Lc -12.5 | 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
#C8B7E2
oklch(80.8% 0.062 303)
-
Step 400
400
#AD91D4
oklch(70.6% 0.1 303.1)
-
Step 500
500
#9975C8
oklch(63.1% 0.126 302.9)
-
Step 600
600
#845CB5
oklch(55.6% 0.138 302.9)
-
Step 700
700
#704B9C
oklch(49.1% 0.129 303)
-
Step 800
800 (this color)
#5A3D7D
oklch(42.3% 0.106 303.1)
-
Step 900
900
#4B3565
oklch(37.6% 0.083 303.8)
-
Step 950
950
#2C203B
oklch(27.1% 0.051 303.6)
#5A3D7D 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) | #2A4A7F | 0.076 |
| Deuteranopia (no green cones) | #314B7B | 0.071 |
| Tritanopia (no blue cones) | #544857 | 0.079 |
| Achromatopsia (no color) | #4B4B4B | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A3D7D
#5A3D7D
oklch(42.3% 0.106 303.1)
- #435600
#435600
oklch(42.2% 0.104 123.1)
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 #5A3D7D, 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
- Blueberry #464196 ΔE 0.053
- Twilight #4E518B ΔE 0.056
- Rebecca Purple #663399 ΔE 0.057
- Dusk #4E5481 ΔE 0.064
- Dusty Grape #545775 ΔE 0.078
- Dusk Blue #26538D ΔE 0.088
- Cobalt #1E488F ΔE 0.088
Use #5A3D7D 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.