#5F1B79
Closest named color: Indigo (#4B0082). oklch(37.8% 0.155 314.6), rgb(95, 27, 121).
Aa
White text reads best on this color (10.94:1).
About this color
#5F1B79 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.155 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.059 away. White text reads best on it, at 10.94:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #5F1B79 |
| RGB | rgb(95, 27, 121) |
| HSL | hsl(283, 64%, 29%) |
| OKLCH | oklch(37.8% 0.155 314.6) |
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 #5F1B79 | 10.94:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #5F1B79 | 1.91:1 | Fails | Lc 9.5 | Not readable |
| #5F1B79 text on white | 10.94:1 | AAA | Lc 94.4 | Preferred for body text |
| #5F1B79 text on black | 1.91:1 | Fails | Lc -8.2 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F2E4FA
oklch(93.6% 0.033 313.5)
-
Step 200
200
#E9CDF7
oklch(88.5% 0.064 314.5)
-
Step 300
300
#DDAAF5
oklch(81% 0.116 314.7)
-
Step 400
400
#CB77EF
oklch(70.7% 0.186 314.9)
-
Step 500
500
#BD4BEA
oklch(63.2% 0.238 314.7)
-
Step 600
600
#A81DD8
oklch(55.6% 0.259 314.5)
-
Step 700
700
#9003BB
oklch(49% 0.241 314.6)
-
Step 800
800
#751097
oklch(42.6% 0.199 314.8)
-
Step 900
900 (this color)
#5F1B79
oklch(37.8% 0.155 314.6)
-
Step 950
950
#371247
oklch(26.9% 0.099 313.9)
#5F1B79 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) | #00397C | 0.140 |
| Deuteranopia (no green cones) | #163E77 | 0.132 |
| Tritanopia (no blue cones) | #5D3049 | 0.101 |
| Achromatopsia (no color) | #3D3D3D | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F1B79
#5F1B79
oklch(37.8% 0.155 314.6)
- #264E00
#264E00
oklch(37.9% 0.11 134.7)
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 #5F1B79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.059
- Royal Purple #4B006E ΔE 0.061
- Grape Purple #5D1451 ΔE 0.069
- Rebecca Purple #663399 ΔE 0.069
- Purple #800080 ΔE 0.071
- Rich Purple #720058 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.083
- Plum Purple #4E0550 ΔE 0.085
Use #5F1B79 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.