#5F3176
Closest named color: Dark Slate Blue (#483D8B). oklch(40.4% 0.12 313), rgb(95, 49, 118).
Aa
White text reads best on this color (9.59:1).
About this color
#5F3176 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.120 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.058 away. White text reads best on it, at 9.59:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.18:1 |
| White text | 9.59:1 |
Values
| HEX | #5F3176 |
| RGB | rgb(95, 49, 118) |
| HSL | hsl(280, 41%, 33%) |
| OKLCH | oklch(40.4% 0.12 313) |
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 #5F3176 | 9.59:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #5F3176 | 2.18:1 | Fails | Lc 12.1 | Not readable |
| #5F3176 text on white | 9.59:1 | AAA | Lc 91.9 | Preferred for body text |
| #5F3176 text on black | 2.18:1 | Fails | Lc -10.5 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E2D2EC
oklch(88.5% 0.039 312.6)
-
Step 300
300
#D1B4E1
oklch(80.9% 0.07 313.5)
-
Step 400
400
#B98BD2
oklch(70.6% 0.112 313.2)
-
Step 500
500
#A76DC6
oklch(63.1% 0.142 312.9)
-
Step 600
600
#9353B3
oklch(55.7% 0.156 313.2)
-
Step 700
700
#7D439A
oklch(49.2% 0.144 313.1)
-
Step 800
800 (this color)
#5F3176
oklch(40.4% 0.12 313)
-
Step 900
900
#533164
oklch(37.8% 0.092 313.5)
-
Step 950
950
#301D3B
oklch(27% 0.059 312.1)
#5F3176 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) | #1E4278 | 0.105 |
| Deuteranopia (no green cones) | #2E4674 | 0.093 |
| Tritanopia (no blue cones) | #5D3D4E | 0.082 |
| Achromatopsia (no color) | #454545 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F3176
#5F3176
oklch(40.4% 0.12 313)
- #2E5500
#2E5500
oklch(40.4% 0.114 133.2)
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 #5F3176, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.058
- Rebecca Purple #663399 ΔE 0.059
- Blueberry #464196 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.079
- Rich Purple #720058 ΔE 0.085
- Purple #800080 ΔE 0.086
- Twilight #4E518B ΔE 0.086
- Velvet #750851 ΔE 0.089
Use #5F3176 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.