#5A387F
Closest named color: Dark Slate Blue (#483D8B). oklch(41.5% 0.118 303.8), rgb(90, 56, 127).
Aa
White text reads best on this color (9.10:1).
About this color
#5A387F is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.118 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 0.038 away. White text reads best on it, at 9.10:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #5A387F |
| RGB | rgb(90, 56, 127) |
| HSL | hsl(269, 39%, 36%) |
| OKLCH | oklch(41.5% 0.118 303.8) |
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 #5A387F | 9.10:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #5A387F | 2.30:1 | Fails | Lc 13.3 | Not readable |
| #5A387F text on white | 9.10:1 | AAA | Lc 90.7 | Preferred for body text |
| #5A387F text on black | 2.30:1 | Fails | Lc -11.6 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DED3EE
oklch(88.4% 0.038 304)
-
Step 300
300
#CAB6E5
oklch(80.9% 0.069 304.3)
-
Step 400
400
#AF8FD9
oklch(70.7% 0.111 303.6)
-
Step 500
500
#9C72CE
oklch(63.2% 0.14 303.7)
-
Step 600
600
#8758BB
oklch(55.6% 0.153 303.8)
-
Step 700
700
#7347A1
oklch(49.1% 0.143 304.2)
-
Step 800
800 (this color)
#5A387F
oklch(41.5% 0.118 303.8)
-
Step 900
900
#4C3369
oklch(37.6% 0.093 303.6)
-
Step 950
950
#2D1F3D
oklch(27.1% 0.057 304.4)
#5A387F 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) | #1F4781 | 0.089 |
| Deuteranopia (no green cones) | #2A487D | 0.081 |
| Tritanopia (no blue cones) | #534556 | 0.086 |
| Achromatopsia (no color) | #484848 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A387F
#5A387F
oklch(41.5% 0.118 303.8)
- #415400
#415400
oklch(41.5% 0.102 123.3)
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 #5A387F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.038
- Rebecca Purple #663399 ΔE 0.049
- Blueberry #464196 ΔE 0.053
- Twilight #4E518B ΔE 0.067
- Dusk #4E5481 ΔE 0.076
- Cobalt #1E488F ΔE 0.091
- Dusty Grape #545775 ΔE 0.091
- Dusk Blue #26538D ΔE 0.096
Use #5A387F 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.