#9B1D78
Closest named color: Red Violet (#9E0168). oklch(47.6% 0.183 342.3), rgb(155, 29, 120).
Aa
White text reads best on this color (7.39:1).
About this color
#9B1D78 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.183 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.029 away. White text reads best on it, at 7.39:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.84:1 |
| White text | 7.39:1 |
Values
| HEX | #9B1D78 |
| RGB | rgb(155, 29, 120) |
| HSL | hsl(317, 68%, 36%) |
| OKLCH | oklch(47.6% 0.183 342.3) |
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 #9B1D78 | 7.39:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #9B1D78 | 2.84:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #9B1D78 text on white | 7.39:1 | AAA | Lc 84.3 | Fine for body text |
| #9B1D78 text on black | 2.84:1 | Fails | Lc -17.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#FCF2F8
oklch(97.1% 0.013 340.5)
-
Step 100
100
#F7E3EF
oklch(93.5% 0.027 340.9)
-
Step 200
200
#F1CDE2
oklch(88.5% 0.049 342.3)
-
Step 300
300
#E9AAD0
oklch(80.8% 0.088 342.4)
-
Step 400
400
#DC7AB9
oklch(70.7% 0.143 342.2)
-
Step 500
500
#CF54A7
oklch(63.1% 0.181 342.3)
-
Step 600
600
#BA3392
oklch(55.6% 0.196 342.3)
-
Step 700
700 (this color)
#9B1D78
oklch(47.6% 0.183 342.3)
-
Step 800
800
#822065
oklch(42.7% 0.152 342.4)
-
Step 900
900
#692152
oklch(37.6% 0.118 342.6)
-
Step 950
950
#3E1530
oklch(27.1% 0.074 342.9)
#9B1D78 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) | #2B497A | 0.205 |
| Deuteranopia (no green cones) | #545D75 | 0.176 |
| Tritanopia (no blue cones) | #A51F49 | 0.082 |
| Achromatopsia (no color) | #565656 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9B1D78
#9B1D78
oklch(47.6% 0.183 342.3)
- #006E4A
#006E4A
oklch(47.6% 0.104 162.1)
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 #9B1D78, closest first.
No curated palette has a color within ΔE 0.04 of #9B1D78.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.029
- Warm Purple #952E8F ΔE 0.041
- Deep Magenta #A0025C ΔE 0.046
- Dark Fuchsia #9D0759 ΔE 0.050
- Violet Red #A50055 ΔE 0.059
- Dark Magenta #8B008B ΔE 0.060
- Mulberry #920A4E ΔE 0.069
- Light Eggplant #894585 ΔE 0.071
Use #9B1D78 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.