#A1B0CB
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.5% 0.042 262.2), rgb(161, 176, 203).
Aa
Black text reads best on this color (9.58:1).
About this color
#A1B0CB is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.042 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.031 away. Black text reads best on it, at 9.58:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.58:1 |
| White text | 2.19:1 |
Values
| HEX | #A1B0CB |
| RGB | rgb(161, 176, 203) |
| HSL | hsl(219, 29%, 71%) |
| OKLCH | oklch(75.5% 0.042 262.2) |
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 #A1B0CB | 2.19:1 | Fails | Lc -47.8 | Large or bold text, headings |
| Black text on #A1B0CB | 9.58:1 | AAA | Lc 60.9 | Content text, not long reading |
| #A1B0CB text on white | 2.19:1 | Fails | Lc 43.1 | Non-text elements, placeholder text |
| #A1B0CB text on black | 9.58:1 | AAA | Lc -59.1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E3
oklch(88.4% 0.015 264.5)
-
Step 300
300
#B7C1D2
oklch(80.8% 0.026 261.1)
-
Step 400
400 (this color)
#A1B0CB
oklch(75.5% 0.042 262.2)
-
Step 500
500
#788AAB
oklch(63.1% 0.054 262.5)
-
Step 600
600
#617496
oklch(55.7% 0.058 261.9)
-
Step 700
700
#506180
oklch(49.1% 0.054 262.2)
-
Step 800
800
#414F68
oklch(42.6% 0.045 261.8)
-
Step 900
900
#374255
oklch(37.7% 0.036 261.2)
-
Step 950
950
#212732
oklch(27.2% 0.022 262.5)
#A1B0CB 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) | #A7B1CC | 0.009 |
| Deuteranopia (no green cones) | #A3ADCA | 0.008 |
| Tritanopia (no blue cones) | #97B5B9 | 0.036 |
| Achromatopsia (no color) | #AFAFAF | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1B0CB
#A1B0CB
oklch(75.5% 0.042 262.2)
- #BDAD91
#BDAD91
oklch(75.4% 0.043 81.6)
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 #A1B0CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.031
- French Gray #ADB5BD ΔE 0.032
- Cool Steel #97A7B3 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Dark Gray #A9A9A9 ΔE 0.047
- Cloudy Blue #ACC2D9 ΔE 0.051
- Light Steel Blue #B0C4DE ΔE 0.059
- Cool Grey #95A3A6 ΔE 0.060
Use #A1B0CB 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.