#731B69
Closest named color: Rich Purple (#720058). oklch(39.9% 0.151 333.1), rgb(115, 27, 105).
Aa
White text reads best on this color (10.04:1).
About this color
#731B69 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.151 and its hue 333°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Purple (#720058), ΔE 0.037 away. White text reads best on it, at 10.04:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Rich Purple (#720058) |
| Black text | 2.08:1 |
| White text | 10.04:1 |
Values
| HEX | #731B69 |
| RGB | rgb(115, 27, 105) |
| HSL | hsl(307, 62%, 28%) |
| OKLCH | oklch(39.9% 0.151 333.1) |
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 #731B69 | 10.04:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #731B69 | 2.08:1 | Fails | Lc 11.7 | Not readable |
| #731B69 text on white | 10.04:1 | AAA | Lc 92.3 | Preferred for body text |
| #731B69 text on black | 2.08:1 | Fails | Lc -10.2 | 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
#FCF2FA
oklch(97.1% 0.015 332.2)
-
Step 100
100
#F8E2F3
oklch(93.5% 0.033 333.6)
-
Step 200
200
#F3CAEB
oklch(88.4% 0.063 332.8)
-
Step 300
300
#EDA5E0
oklch(80.9% 0.113 333.2)
-
Step 400
400
#E070D0
oklch(70.7% 0.18 332.9)
-
Step 500
500
#D53FC3
oklch(63.1% 0.231 333.3)
-
Step 600
600
#C000AF
oklch(55.7% 0.25 333.3)
-
Step 700
700
#A20094
oklch(49.1% 0.22 333.1)
-
Step 800
800
#86007A
oklch(42.7% 0.192 333.2)
-
Step 900
900 (this color)
#731B69
oklch(39.9% 0.151 333.1)
-
Step 950
950
#400E3A
oklch(27% 0.096 333.1)
#731B69 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) | #173A6B | 0.164 |
| Deuteranopia (no green cones) | #384667 | 0.139 |
| Tritanopia (no blue cones) | #782440 | 0.078 |
| Achromatopsia (no color) | #424242 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731B69
#731B69
oklch(39.9% 0.151 333.1)
- #00572B
#00572B
oklch(40% 0.103 152.9)
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 #731B69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Purple #720058 ΔE 0.037
- Velvet #750851 ΔE 0.042
- Purple #800080 ΔE 0.050
- Grape Purple #5D1451 ΔE 0.063
- Red Purple #820747 ΔE 0.066
- Dark Magenta #8B008B ΔE 0.074
- Wine #80013F ΔE 0.076
- Merlot #730039 ΔE 0.081
Use #731B69 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.