#B173AB
Closest named color: Soft Purple (#A66FB5). oklch(63.9% 0.108 330.2), rgb(177, 115, 171).
Aa
Black text reads best on this color (5.90:1).
About this color
#B173AB is a medium-light, moderately saturated purple. In OKLCH its lightness is 64%, its chroma 0.108 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.029 away. Black text reads best on it, at 5.90:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #B173AB |
| RGB | rgb(177, 115, 171) |
| HSL | hsl(306, 28%, 57%) |
| OKLCH | oklch(63.9% 0.108 330.2) |
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 #B173AB | 3.55:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #B173AB | 5.90:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #B173AB text on white | 3.55:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #B173AB text on black | 5.90:1 | AA | Lc -38.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6EF
oklch(93.5% 0.016 328.8)
-
Step 200
200
#E5D3E2
oklch(88.6% 0.028 331.2)
-
Step 300
300
#D5B5D1
oklch(80.9% 0.052 330.2)
-
Step 400
400
#BF8DBA
oklch(70.6% 0.086 329.9)
-
Step 500
500 (this color)
#B173AB
oklch(63.9% 0.108 330.2)
-
Step 600
600
#995894
oklch(55.6% 0.117 329.8)
-
Step 700
700
#83487E
oklch(49.2% 0.109 330.2)
-
Step 800
800
#6A3B66
oklch(42.6% 0.09 330.2)
-
Step 900
900
#563353
oklch(37.6% 0.07 329.9)
-
Step 950
950
#331E31
oklch(27% 0.045 330.1)
#B173AB 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) | #7183AD | 0.103 |
| Deuteranopia (no green cones) | #808BA9 | 0.095 |
| Tritanopia (no blue cones) | #B67788 | 0.058 |
| Achromatopsia (no color) | #888888 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B173AB
#B173AB
oklch(63.9% 0.108 330.2)
- #579E69
#579E69
oklch(63.8% 0.107 150.6)
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 #B173AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.029
- Wisteria #A87DC2 ΔE 0.039
- Dark Lilac #9C6DA5 ΔE 0.041
- Heather #A484AC ΔE 0.046
- Dusty Lavender #AC86A8 ΔE 0.050
- Deep Lilac #966EBD ΔE 0.058
- Faded Purple #916E99 ΔE 0.063
- Mauve #AE7181 ΔE 0.063
Use #B173AB 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.