#A1A5C4
Closest named color: Cool Steel (#97A7B3). oklch(72.9% 0.045 279.4), rgb(161, 165, 196).
Aa
Black text reads best on this color (8.69:1).
About this color
#A1A5C4 is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.045 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.032 away. Black text reads best on it, at 8.69:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.69:1 |
| White text | 2.41:1 |
Values
| HEX | #A1A5C4 |
| RGB | rgb(161, 165, 196) |
| HSL | hsl(233, 23%, 70%) |
| OKLCH | oklch(72.9% 0.045 279.4) |
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 #A1A5C4 | 2.41:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #A1A5C4 | 8.69:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #A1A5C4 text on white | 2.41:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #A1A5C4 text on black | 8.69:1 | AAA | Lc -54.4 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D7D8E4
oklch(88.5% 0.016 282.2)
-
Step 300
300
#BCBFD3
oklch(80.9% 0.028 279)
-
Step 400
400 (this color)
#A1A5C4
oklch(72.9% 0.045 279.4)
-
Step 500
500
#8286AC
oklch(63.1% 0.057 279.9)
-
Step 600
600
#6B7098
oklch(55.7% 0.062 278.6)
-
Step 700
700
#5A5D82
oklch(49.1% 0.059 280.4)
-
Step 800
800
#494C69
oklch(42.6% 0.048 279.6)
-
Step 900
900
#3D4055
oklch(37.8% 0.036 278.2)
-
Step 950
950
#242532
oklch(26.9% 0.024 281.2)
#A1A5C4 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) | #9DA8C5 | 0.009 |
| Deuteranopia (no green cones) | #9BA6C3 | 0.009 |
| Tritanopia (no blue cones) | #99AAAF | 0.040 |
| Achromatopsia (no color) | #A7A7A7 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1A5C4
#A1A5C4
oklch(72.9% 0.045 279.4)
- #AEA888
#AEA888
oklch(72.8% 0.045 98.6)
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 #A1A5C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.032
- Dark Gray #A9A9A9 ΔE 0.045
- Bluey Grey #89A0B0 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.048
- Cool Grey #95A3A6 ΔE 0.048
- Cool Gray #8D99AE ΔE 0.051
- French Gray #ADB5BD ΔE 0.052
- Pewter #96A8A1 ΔE 0.058
Use #A1A5C4 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.