#B1A3BB
Closest named color: Dark Gray (#A9A9A9). oklch(73.5% 0.037 311.3), rgb(177, 163, 187).
Aa
Black text reads best on this color (8.82:1).
About this color
#B1A3BB is a medium-light, muted purple. In OKLCH its lightness is 74%, its chroma 0.037 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Gray (#A9A9A9), ΔE 0.037 away. Black text reads best on it, at 8.82:1.
| Hue family | Purples |
| Lightness | medium-light (74%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Dark Gray (#A9A9A9) |
| Black text | 8.82:1 |
| White text | 2.37:1 |
Values
| HEX | #B1A3BB |
| RGB | rgb(177, 163, 187) |
| HSL | hsl(275, 15%, 69%) |
| OKLCH | oklch(73.5% 0.037 311.3) |
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 #B1A3BB | 2.37:1 | Fails | Lc -51.9 | Large or bold text, headings |
| Black text on #B1A3BB | 8.82:1 | AAA | Lc 57.1 | Large or bold text, headings |
| #B1A3BB text on white | 2.37:1 | Fails | Lc 46.9 | Large or bold text, headings |
| #B1A3BB text on black | 8.82:1 | AAA | Lc -55.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9ED
oklch(93.7% 0.006 308.4)
-
Step 200
200
#DCD7E0
oklch(88.6% 0.013 310.5)
-
Step 300
300
#C5BDCC
oklch(80.9% 0.023 309.5)
-
Step 400
400 (this color)
#B1A3BB
oklch(73.5% 0.037 311.3)
-
Step 500
500
#93829F
oklch(63.2% 0.047 311.2)
-
Step 600
600
#7D6B8A
oklch(55.6% 0.052 310.9)
-
Step 700
700
#6A5975
oklch(49.1% 0.048 311.9)
-
Step 800
800
#56495F
oklch(42.7% 0.039 311.3)
-
Step 900
900
#473D4E
oklch(37.7% 0.031 311.3)
-
Step 950
950
#2A242E
oklch(27.1% 0.02 311.8)
#B1A3BB 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) | #A0A7BC | 0.025 |
| Deuteranopia (no green cones) | #A2A8BA | 0.024 |
| Tritanopia (no blue cones) | #B0A6AB | 0.027 |
| Achromatopsia (no color) | #A8A8A8 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1A3BB
#B1A3BB
oklch(73.5% 0.037 311.3)
- #A1AF96
#A1AF96
oklch(73.6% 0.039 131.3)
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 #B1A3BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Gray #A9A9A9 ΔE 0.037
- Cool Steel #97A7B3 ΔE 0.041
- French Gray #ADB5BD ΔE 0.048
- Light Mauve #C292A1 ΔE 0.051
- Cool Grey #95A3A6 ΔE 0.053
- Pinkish Grey #C8ACA9 ΔE 0.054
- Grey Pink #C3909B ΔE 0.059
- Bluey Grey #89A0B0 ΔE 0.060
Use #B1A3BB 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.