#B170A3
Closest named color: Soft Purple (#A66FB5). oklch(63.1% 0.106 335), rgb(177, 112, 163).
Aa
Black text reads best on this color (5.71:1).
About this color
#B170A3 is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.106 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Purple (#A66FB5), ΔE 0.035 away. Black text reads best on it, at 5.71:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Soft Purple (#A66FB5) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #B170A3 |
| RGB | rgb(177, 112, 163) |
| HSL | hsl(313, 29%, 57%) |
| OKLCH | oklch(63.1% 0.106 335) |
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 #B170A3 | 3.67:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #B170A3 | 5.71:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #B170A3 text on white | 3.67:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #B170A3 text on black | 5.71:1 | AA | Lc -37.5 | 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
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F1E6EE
oklch(93.6% 0.016 335.1)
-
Step 200
200
#E6D2E1
oklch(88.4% 0.03 334.4)
-
Step 300
300
#D7B5CE
oklch(81% 0.051 335.5)
-
Step 400
400
#C18DB5
oklch(70.6% 0.083 334.9)
-
Step 500
500 (this color)
#B170A3
oklch(63.1% 0.106 335)
-
Step 600
600
#9C578E
oklch(55.6% 0.116 335)
-
Step 700
700
#854779
oklch(49.1% 0.108 334.7)
-
Step 800
800
#6C3B62
oklch(42.7% 0.088 335)
-
Step 900
900
#583350
oklch(37.8% 0.069 335.2)
-
Step 950
950
#341E2F
oklch(27.1% 0.044 335.4)
#B170A3 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) | #7080A5 | 0.105 |
| Deuteranopia (no green cones) | #8089A1 | 0.097 |
| Tritanopia (no blue cones) | #B77383 | 0.053 |
| Achromatopsia (no color) | #858585 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B170A3
#B170A3
oklch(63.1% 0.106 335)
- #4E9C6D
#4E9C6D
oklch(63% 0.106 155.3)
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 #B170A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Purple #A66FB5 ΔE 0.035
- Dark Lilac #9C6DA5 ΔE 0.038
- Wisteria #A87DC2 ΔE 0.050
- Heather #A484AC ΔE 0.051
- Mauve #AE7181 ΔE 0.053
- Dusty Lavender #AC86A8 ΔE 0.054
- Faded Purple #916E99 ΔE 0.058
- Deep Lilac #966EBD ΔE 0.063
Use #B170A3 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.