#B178A5
Closest named color: Heather (#A484AC). oklch(64.6% 0.093 334.5), rgb(177, 120, 165).
Aa
Black text reads best on this color (6.09:1).
About this color
#B178A5 is a medium-light, moderately saturated purple. In OKLCH its lightness is 65%, its chroma 0.093 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Heather (#A484AC), ΔE 0.034 away. Black text reads best on it, at 6.09:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Heather (#A484AC) |
| Black text | 6.09:1 |
| White text | 3.44:1 |
Values
| HEX | #B178A5 |
| RGB | rgb(177, 120, 165) |
| HSL | hsl(313, 27%, 58%) |
| OKLCH | oklch(64.6% 0.093 334.5) |
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 #B178A5 | 3.44:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #B178A5 | 6.09:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #B178A5 text on white | 3.44:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #B178A5 text on black | 6.09:1 | AA | Lc -39.9 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#F0E7ED
oklch(93.7% 0.013 337.5)
-
Step 200
200
#E4D3E0
oklch(88.4% 0.026 333.8)
-
Step 300
300
#D4B6CD
oklch(80.9% 0.046 334.1)
-
Step 400
400
#BD90B3
oklch(70.7% 0.072 334.3)
-
Step 500
500 (this color)
#B178A5
oklch(64.6% 0.093 334.5)
-
Step 600
600
#975B8B
oklch(55.5% 0.102 334.5)
-
Step 700
700
#814B76
oklch(49.1% 0.094 334.8)
-
Step 800
800
#693E60
oklch(42.8% 0.078 334.9)
-
Step 900
900
#55354F
oklch(37.7% 0.061 333.7)
-
Step 950
950
#321F2E
oklch(27% 0.039 334.4)
#B178A5 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) | #7885A7 | 0.091 |
| Deuteranopia (no green cones) | #868DA3 | 0.084 |
| Tritanopia (no blue cones) | #B67A88 | 0.046 |
| Achromatopsia (no color) | #8A8A8A | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B178A5
#B178A5
oklch(64.6% 0.093 334.5)
- #5D9F74
#5D9F74
oklch(64.6% 0.094 154.3)
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 #B178A5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Heather #A484AC ΔE 0.034
- Dusty Lavender #AC86A8 ΔE 0.035
- Soft Purple #A66FB5 ΔE 0.044
- Wisteria #A87DC2 ΔE 0.044
- Dark Lilac #9C6DA5 ΔE 0.048
- Mauve #AE7181 ΔE 0.052
- Purpley Grey #947E94 ΔE 0.058
- Old Pink #C77986 ΔE 0.060
Use #B178A5 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.