#731B77
Closest named color: Purple (#800080). oklch(40.8% 0.162 326.1), rgb(115, 27, 119).
Aa
White text reads best on this color (9.75:1).
About this color
#731B77 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.162 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple (#800080), ΔE 0.035 away. White text reads best on it, at 9.75:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Purple (#800080) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #731B77 |
| RGB | rgb(115, 27, 119) |
| HSL | hsl(297, 63%, 29%) |
| OKLCH | oklch(40.8% 0.162 326.1) |
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 #731B77 | 9.75:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #731B77 | 2.15:1 | Fails | Lc 12.4 | Not readable |
| #731B77 text on white | 9.75:1 | AAA | Lc 91.5 | Preferred for body text |
| #731B77 text on black | 2.15:1 | Fails | Lc -10.9 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F4E4F4
oklch(93.6% 0.027 325.8)
-
Step 200
200
#ECCEEC
oklch(88.5% 0.052 326)
-
Step 300
300
#E1ABE2
oklch(80.8% 0.096 325.8)
-
Step 400
400
#D07CD3
oklch(70.6% 0.152 325.8)
-
Step 500
500
#C256C7
oklch(63.1% 0.194 325.8)
-
Step 600
600
#AE35B3
oklch(55.7% 0.211 326.3)
-
Step 700
700
#95259A
oklch(49.1% 0.196 326.2)
-
Step 800
800 (this color)
#731B77
oklch(40.8% 0.162 326.1)
-
Step 900
900
#622364
oklch(37.7% 0.125 326.5)
-
Step 950
950
#3A163B
oklch(27.2% 0.08 326.5)
#731B77 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) | #003D79 | 0.173 |
| Deuteranopia (no green cones) | #314875 | 0.145 |
| Tritanopia (no blue cones) | #762B48 | 0.092 |
| Achromatopsia (no color) | #444444 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731B77
#731B77
oklch(40.8% 0.162 326.1)
- #005A19
#005A19
oklch(40.7% 0.124 146.1)
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 #731B77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple #800080 ΔE 0.035
- Rich Purple #720058 ΔE 0.056
- Dark Magenta #8B008B ΔE 0.059
- Velvet #750851 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.079
- Warm Purple #952E8F ΔE 0.087
- Red Purple #820747 ΔE 0.088
Use #731B77 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.