#B173B2
Closest named color: Soft Purple (#A66FB5). oklch(64.2% 0.115 326.3), rgb(177, 115, 178).
Aa
Black text reads best on this color (5.96:1).
About this color
#B173B2 is a medium-light, moderately saturated purple. In OKLCH its lightness is 64%, its chroma 0.115 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.024 away. Black text reads best on it, at 5.96:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.96:1 |
| White text | 3.52:1 |
Values
| HEX | #B173B2 |
| RGB | rgb(177, 115, 178) |
| HSL | hsl(299, 29%, 57%) |
| OKLCH | oklch(64.2% 0.115 326.3) |
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 #B173B2 | 3.52:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #B173B2 | 5.96:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #B173B2 text on white | 3.52:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #B173B2 text on black | 5.96:1 | AA | Lc -39.1 | 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
#F0E6F0
oklch(93.6% 0.017 325.7)
-
Step 200
200
#E5D2E4
oklch(88.5% 0.032 327.4)
-
Step 300
300
#D4B5D4
oklch(80.9% 0.055 326.1)
-
Step 400
400
#BE8DBF
oklch(70.7% 0.09 325.8)
-
Step 500
500 (this color)
#B173B2
oklch(64.2% 0.115 326.3)
-
Step 600
600
#98579A
oklch(55.6% 0.124 326)
-
Step 700
700
#824683
oklch(49% 0.117 326.6)
-
Step 800
800
#6A3A6B
oklch(42.7% 0.097 326.4)
-
Step 900
900
#563257
oklch(37.6% 0.076 326)
-
Step 950
950
#321E33
oklch(27% 0.047 325.1)
#B173B2 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) | #6E84B4 | 0.107 |
| Deuteranopia (no green cones) | #7E8BB0 | 0.096 |
| Tritanopia (no blue cones) | #B5798A | 0.068 |
| Achromatopsia (no color) | #898989 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B173B2
#B173B2
oklch(64.2% 0.115 326.3)
- #5B9F62
#5B9F62
oklch(64.1% 0.114 146.4)
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 #B173B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.024
- Wisteria #A87DC2 ΔE 0.032
- Dark Lilac #9C6DA5 ΔE 0.044
- Heather #A484AC ΔE 0.050
- Deep Lilac #966EBD ΔE 0.053
- Dusty Lavender #AC86A8 ΔE 0.055
- Faded Purple #916E99 ΔE 0.068
- Pale Magenta #D767AD ΔE 0.068
Use #B173B2 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.