#A4BBCC
Closest named color: Light Grey Blue (#9DBCD4). oklch(78% 0.035 240), rgb(164, 187, 204).
Aa
Black text reads best on this color (10.55:1).
About this color
#A4BBCC is a light, muted blue. In OKLCH its lightness is 78%, its chroma 0.035 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.013 away. Black text reads best on it, at 10.55:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.55:1 |
| White text | 1.98:1 |
Values
| HEX | #A4BBCC |
| RGB | rgb(164, 187, 204) |
| HSL | hsl(206, 28%, 72%) |
| OKLCH | oklch(78% 0.035 240) |
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 #A4BBCC | 1.98:1 | Fails | Lc -42.9 | Non-text elements, placeholder text |
| Black text on #A4BBCC | 10.55:1 | AAA | Lc 65.5 | Content text, not long reading |
| #A4BBCC text on white | 1.98:1 | Fails | Lc 38.5 | Non-text elements, placeholder text |
| #A4BBCC text on black | 10.55:1 | AAA | Lc -63.9 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CEDBE5
oklch(88.5% 0.02 240.8)
-
Step 300
300 (this color)
#A4BBCC
oklch(78% 0.035 240)
-
Step 400
400
#81A6C0
oklch(70.7% 0.056 239.2)
-
Step 500
500
#6090B1
oklch(63.2% 0.072 239.4)
-
Step 600
600
#46799C
oklch(55.5% 0.078 240.1)
-
Step 700
700
#376686
oklch(49.1% 0.073 240.2)
-
Step 800
800
#2E536D
oklch(42.6% 0.061 240.8)
-
Step 900
900
#2A4558
oklch(37.7% 0.046 240.3)
-
Step 950
950
#192834
oklch(26.9% 0.03 243.3)
#A4BBCC 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) | #B4BACD | 0.021 |
| Deuteranopia (no green cones) | #AFB6CC | 0.019 |
| Tritanopia (no blue cones) | #99BFC0 | 0.028 |
| Achromatopsia (no color) | #B8B8B8 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4BBCC
#A4BBCC
oklch(78% 0.035 240)
- #C9B3A2
#C9B3A2
oklch(78.1% 0.035 60)
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 #A4BBCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.013
- Light Cornflower Blue #98C1D9 ΔE 0.023
- French Gray #ADB5BD ΔE 0.023
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.036
- Silver #C0C0C0 ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.052
- Dark Gray #A9A9A9 ΔE 0.057
Use #A4BBCC 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.