#5F1B71
Closest named color: Grape Purple (#5D1451). oklch(37.2% 0.148 318.3), rgb(95, 27, 113).
Aa
White text reads best on this color (11.15:1).
About this color
#5F1B71 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.148 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.055 away. White text reads best on it, at 11.15:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.88:1 |
| White text | 11.15:1 |
Values
| HEX | #5F1B71 |
| RGB | rgb(95, 27, 113) |
| HSL | hsl(287, 61%, 27%) |
| OKLCH | oklch(37.2% 0.148 318.3) |
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 #5F1B71 | 11.15:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #5F1B71 | 1.88:1 | Fails | Lc 9.0 | Not readable |
| #5F1B71 text on white | 11.15:1 | AAA | Lc 94.9 | Preferred for body text |
| #5F1B71 text on black | 1.88:1 | Fails | Lc -7.7 | 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 900.
-
Step 50
50
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F3E4F8
oklch(93.7% 0.031 317.7)
-
Step 200
200
#EBCDF4
oklch(88.5% 0.062 318.4)
-
Step 300
300
#DFAAEF
oklch(81% 0.11 318.2)
-
Step 400
400
#CE78E7
oklch(70.7% 0.178 318.3)
-
Step 500
500
#C04DDF
oklch(63.1% 0.227 318.4)
-
Step 600
600
#AB24CD
oklch(55.6% 0.246 318.1)
-
Step 700
700
#9311B1
oklch(49.2% 0.229 318.3)
-
Step 800
800
#77168F
oklch(42.7% 0.189 318.2)
-
Step 900
900 (this color)
#5F1B71
oklch(37.2% 0.148 318.3)
-
Step 950
950
#391343
oklch(27.1% 0.093 318.7)
#5F1B71 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) | #003773 | 0.142 |
| Deuteranopia (no green cones) | #1F3D6F | 0.127 |
| Tritanopia (no blue cones) | #5F2C44 | 0.093 |
| Achromatopsia (no color) | #3B3B3B | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F1B71
#5F1B71
oklch(37.2% 0.148 318.3)
- #1A4D00
#1A4D00
oklch(37.1% 0.115 138.3)
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 #5F1B71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.055
- Royal Purple #4B006E ΔE 0.060
- Rich Purple #720058 ΔE 0.063
- Indigo #4B0082 ΔE 0.066
- Purple #800080 ΔE 0.073
- Plum Purple #4E0550 ΔE 0.074
- Velvet #750851 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.080
Use #5F1B71 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.