#A0B3C8
Closest named color: French Gray (#ADB5BD). oklch(75.9% 0.037 250.9), rgb(160, 179, 200).
Aa
Black text reads best on this color (9.77:1).
About this color
#A0B3C8 is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.037 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.025 away. Black text reads best on it, at 9.77:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.77:1 |
| White text | 2.14:1 |
Values
| HEX | #A0B3C8 |
| RGB | rgb(160, 179, 200) |
| HSL | hsl(212, 27%, 71%) |
| OKLCH | oklch(75.9% 0.037 250.9) |
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 #A0B3C8 | 2.14:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #A0B3C8 | 9.77:1 | AAA | Lc 61.8 | Content text, not long reading |
| #A0B3C8 text on white | 2.14:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #A0B3C8 text on black | 9.77:1 | AAA | Lc -60.0 | Content text, not long reading |
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 300.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE7
oklch(88.5% 0.021 254.9)
-
Step 300
300 (this color)
#A0B3C8
oklch(75.9% 0.037 250.9)
-
Step 400
400
#86A4C5
oklch(70.8% 0.059 251.1)
-
Step 500
500
#678DB6
oklch(63.1% 0.075 250.9)
-
Step 600
600
#4E76A2
oklch(55.5% 0.082 251.7)
-
Step 700
700
#3E638B
oklch(49% 0.077 251.4)
-
Step 800
800
#345171
oklch(42.7% 0.064 251.8)
-
Step 900
900
#2D435B
oklch(37.6% 0.05 251.3)
-
Step 950
950
#1B2835
oklch(27.1% 0.03 249)
#A0B3C8 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) | #ABB3C9 | 0.015 |
| Deuteranopia (no green cones) | #A7AFC8 | 0.014 |
| Tritanopia (no blue cones) | #96B8BA | 0.031 |
| Achromatopsia (no color) | #B1B1B1 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A0B3C8
#A0B3C8
oklch(75.9% 0.037 250.9)
- #C0AD98
#C0AD98
oklch(75.8% 0.037 70)
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 #A0B3C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.025
- Light Grey Blue #9DBCD4 ΔE 0.025
- Light Cornflower Blue #98C1D9 ΔE 0.038
- Cool Steel #97A7B3 ΔE 0.041
- Dark Gray #A9A9A9 ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.055
- Pewter #96A8A1 ΔE 0.059
Use #A0B3C8 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.