#A0B3CA
Closest named color: Light Grey Blue (#9DBCD4). oklch(76% 0.039 253.3), rgb(160, 179, 202).
Aa
Black text reads best on this color (9.79:1).
About this color
#A0B3CA is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.039 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.024 away. Black text reads best on it, at 9.79:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.79:1 |
| White text | 2.14:1 |
Values
| HEX | #A0B3CA |
| RGB | rgb(160, 179, 202) |
| HSL | hsl(213, 28%, 71%) |
| OKLCH | oklch(76% 0.039 253.3) |
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 #A0B3CA | 2.14:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #A0B3CA | 9.79:1 | AAA | Lc 61.9 | Content text, not long reading |
| #A0B3CA text on white | 2.14:1 | Fails | Lc 42.1 | Non-text elements, placeholder text |
| #A0B3CA text on black | 9.79:1 | AAA | Lc -60.1 | 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
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300 (this color)
#A0B3CA
oklch(76% 0.039 253.3)
-
Step 400
400
#85A3C7
oklch(70.6% 0.063 253.3)
-
Step 500
500
#668CB9
oklch(63% 0.08 253.2)
-
Step 600
600
#4D76A5
oklch(55.6% 0.087 252.7)
-
Step 700
700
#3E638E
oklch(49.1% 0.081 253.1)
-
Step 800
800
#345173
oklch(42.8% 0.067 253.2)
-
Step 900
900
#2D435D
oklch(37.7% 0.053 253.2)
-
Step 950
950
#1B2736
oklch(26.9% 0.033 254.4)
#A0B3CA 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) | #ABB3CB | 0.015 |
| Deuteranopia (no green cones) | #A6AFCA | 0.013 |
| Tritanopia (no blue cones) | #95B8BA | 0.034 |
| Achromatopsia (no color) | #B1B1B1 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A0B3CA
#A0B3CA
oklch(76% 0.039 253.3)
- #C1AE96
#C1AE96
oklch(76.1% 0.04 73.6)
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 #A0B3CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.024
- French Gray #ADB5BD ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Cool Steel #97A7B3 ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.045
- Dark Gray #A9A9A9 ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.054
- Pewter #96A8A1 ΔE 0.062
Use #A0B3CA 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.