#73129B
Closest named color: Grape (#7209B7). oklch(42.8% 0.2 312.4), rgb(115, 18, 155).
Aa
White text reads best on this color (9.17:1).
About this color
#73129B is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.200 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape (#7209B7), ΔE 0.046 away. White text reads best on it, at 9.17:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.200) |
| Temperature | in between |
| Nearest name | Grape (#7209B7) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #73129B |
| RGB | rgb(115, 18, 155) |
| HSL | hsl(282, 79%, 34%) |
| OKLCH | oklch(42.8% 0.2 312.4) |
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 #73129B | 9.17:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #73129B | 2.28:1 | Fails | Lc 14.4 | Not readable |
| #73129B text on white | 9.17:1 | AAA | Lc 89.6 | Fine for body text |
| #73129B text on black | 2.28:1 | Fails | Lc -12.7 | 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 800.
-
Step 50
50
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F2E4FB
oklch(93.7% 0.034 312.4)
-
Step 200
200
#E8CDF9
oklch(88.5% 0.066 312.4)
-
Step 300
300
#DAAAF7
oklch(80.8% 0.117 312.3)
-
Step 400
400
#C878F3
oklch(70.7% 0.188 312.5)
-
Step 500
500
#B94CEE
oklch(63% 0.239 312.4)
-
Step 600
600
#A51FDC
oklch(55.6% 0.26 312.5)
-
Step 700
700
#8D06BF
oklch(49% 0.242 312.4)
-
Step 800
800 (this color)
#73129B
oklch(42.8% 0.2 312.4)
-
Step 900
900
#5D1B7B
oklch(37.7% 0.157 312.6)
-
Step 950
950
#361248
oklch(26.9% 0.099 312.2)
#73129B 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) | #00439E | 0.167 |
| Deuteranopia (no green cones) | #004A98 | 0.170 |
| Tritanopia (no blue cones) | #6E395B | 0.132 |
| Achromatopsia (no color) | #484848 | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73129B
#73129B
oklch(42.8% 0.2 312.4)
- #345C00
#345C00
oklch(42.8% 0.12 132.5)
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 #73129B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape #7209B7 ΔE 0.046
- Rebecca Purple #663399 ΔE 0.051
- Purple #800080 ΔE 0.055
- Dark Magenta #8B008B ΔE 0.060
- Chrysanthemum #560BAD ΔE 0.072
- Warm Purple #952E8F ΔE 0.090
- Imperial Purple #480CA8 ΔE 0.097
- Indigo #4B0082 ΔE 0.098
Use #73129B 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.