#A1ABBF
Closest named color: Cool Steel (#97A7B3). oklch(74% 0.031 264.4), rgb(161, 171, 191).
Aa
Black text reads best on this color (9.09:1).
About this color
#A1ABBF is a medium-light, muted blue. In OKLCH its lightness is 74%, its chroma 0.031 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.024 away. Black text reads best on it, at 9.09:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.09:1 |
| White text | 2.30:1 |
Values
| HEX | #A1ABBF |
| RGB | rgb(161, 171, 191) |
| HSL | hsl(220, 19%, 69%) |
| OKLCH | oklch(74% 0.031 264.4) |
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 #A1ABBF | 2.30:1 | Fails | Lc -50.4 | Large or bold text, headings |
| Black text on #A1ABBF | 9.09:1 | AAA | Lc 58.4 | Large or bold text, headings |
| #A1ABBF text on white | 2.30:1 | Fails | Lc 45.6 | Large or bold text, headings |
| #A1ABBF text on black | 9.09:1 | AAA | Lc -56.5 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E0
oklch(88.4% 0.011 261.8)
-
Step 300
300
#BAC1CE
oklch(80.9% 0.02 263)
-
Step 400
400 (this color)
#A1ABBF
oklch(74% 0.031 264.4)
-
Step 500
500
#7D8AA2
oklch(63.1% 0.039 262.7)
-
Step 600
600
#67738D
oklch(55.5% 0.043 265.6)
-
Step 700
700
#556178
oklch(49.1% 0.04 263.3)
-
Step 800
800
#464F62
oklch(42.7% 0.034 265.1)
-
Step 900
900
#3B4250
oklch(37.8% 0.026 264.2)
-
Step 950
950
#22262F
oklch(26.9% 0.018 266.3)
#A1ABBF 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) | #A5ACC0 | 0.006 |
| Deuteranopia (no green cones) | #A2A9BF | 0.006 |
| Tritanopia (no blue cones) | #9AAFB1 | 0.028 |
| Achromatopsia (no color) | #ABABAB | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1ABBF
#A1ABBF
oklch(74% 0.031 264.4)
- #B4AA95
#B4AA95
oklch(74.1% 0.031 85.6)
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 #A1ABBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.024
- Dark Gray #A9A9A9 ΔE 0.031
- French Gray #ADB5BD ΔE 0.034
- Cool Grey #95A3A6 ΔE 0.042
- Pewter #96A8A1 ΔE 0.046
- Light Grey Blue #9DBCD4 ΔE 0.047
- Bluegrey #85A3B2 ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.049
Use #A1ABBF 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.