#A4BBD3
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.3% 0.043 249.5), rgb(164, 187, 211).
Aa
Black text reads best on this color (10.62:1).
About this color
#A4BBD3 is a light, muted blue. In OKLCH its lightness is 78%, its chroma 0.043 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.009 away. Black text reads best on it, at 10.62:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.62:1 |
| White text | 1.97:1 |
Values
| HEX | #A4BBD3 |
| RGB | rgb(164, 187, 211) |
| HSL | hsl(211, 35%, 74%) |
| OKLCH | oklch(78.3% 0.043 249.5) |
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 #A4BBD3 | 1.97:1 | Fails | Lc -42.6 | Non-text elements, placeholder text |
| Black text on #A4BBD3 | 10.62:1 | AAA | Lc 65.8 | Content text, not long reading |
| #A4BBD3 text on white | 1.97:1 | Fails | Lc 38.1 | Non-text elements, placeholder text |
| #A4BBD3 text on black | 10.62:1 | AAA | Lc -64.3 | 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
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CEDBE9
oklch(88.6% 0.024 250.1)
-
Step 300
300 (this color)
#A4BBD3
oklch(78.3% 0.043 249.5)
-
Step 400
400
#80A4CA
oklch(70.6% 0.069 250.2)
-
Step 500
500
#5F8EBC
oklch(63.2% 0.087 248.8)
-
Step 600
600
#4577A8
oklch(55.6% 0.094 249.4)
-
Step 700
700
#366491
oklch(49.1% 0.089 249.6)
-
Step 800
800
#2D5275
oklch(42.8% 0.072 248.6)
-
Step 900
900
#29445F
oklch(37.8% 0.057 249.6)
-
Step 950
950
#182837
oklch(27% 0.035 247.7)
#A4BBD3 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) | #B2BBD4 | 0.018 |
| Deuteranopia (no green cones) | #ADB6D3 | 0.017 |
| Tritanopia (no blue cones) | #97C0C3 | 0.035 |
| Achromatopsia (no color) | #B8B8B8 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4BBD3
#A4BBD3
oklch(78.3% 0.043 249.5)
- #CBB49B
#CBB49B
oklch(78.3% 0.043 69.5)
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 #A4BBD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.009
- Light Cornflower Blue #98C1D9 ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.022
- French Gray #ADB5BD ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.048
- Silver #C0C0C0 ΔE 0.050
- Sky Blue #87CEEB ΔE 0.056
Use #A4BBD3 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.