#691B71
Closest named color: Rich Purple (#720058). oklch(38.8% 0.152 323.9), rgb(105, 27, 113).
Aa
White text reads best on this color (10.52:1).
About this color
#691B71 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.152 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.051 away. White text reads best on it, at 10.52:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 1.99:1 |
| White text | 10.52:1 |
Values
| HEX | #691B71 |
| RGB | rgb(105, 27, 113) |
| HSL | hsl(294, 61%, 27%) |
| OKLCH | oklch(38.8% 0.152 323.9) |
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 #691B71 | 10.52:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #691B71 | 1.99:1 | Fails | Lc 10.5 | Not readable |
| #691B71 text on white | 10.52:1 | AAA | Lc 93.4 | Preferred for body text |
| #691B71 text on black | 1.99:1 | Fails | Lc -9.1 | 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
#FBF2FB
oklch(97.1% 0.015 325.7)
-
Step 100
100
#F5E3F7
oklch(93.6% 0.033 322.8)
-
Step 200
200
#EFCCF1
oklch(88.6% 0.063 324.4)
-
Step 300
300
#E5A7EB
oklch(80.9% 0.115 323.6)
-
Step 400
400
#D673E0
oklch(70.6% 0.183 323.8)
-
Step 500
500
#C946D7
oklch(63.1% 0.233 323.7)
-
Step 600
600
#B512C4
oklch(55.6% 0.254 324)
-
Step 700
700
#9A00A8
oklch(49.1% 0.231 323.8)
-
Step 800
800
#7E0889
oklch(42.7% 0.195 323.9)
-
Step 900
900 (this color)
#691B71
oklch(38.8% 0.152 323.9)
-
Step 950
950
#3C1040
oklch(27% 0.097 324.3)
#691B71 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) | #003973 | 0.159 |
| Deuteranopia (no green cones) | #2B426F | 0.134 |
| Tritanopia (no blue cones) | #6B2A44 | 0.089 |
| Achromatopsia (no color) | #3F3F3F | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #691B71
#691B71
oklch(38.8% 0.152 323.9)
- #00540B
#00540B
oklch(38.7% 0.126 143.9)
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 #691B71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.051
- Purple #800080 ΔE 0.055
- Grape Purple #5D1451 ΔE 0.060
- Velvet #750851 ΔE 0.062
- Rebecca Purple #663399 ΔE 0.077
- Royal Purple #4B006E ΔE 0.079
- Dark Magenta #8B008B ΔE 0.081
- Indigo #4B0082 ΔE 0.085
Use #691B71 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.