#A3BBDE
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.6% 0.057 257.7), rgb(163, 187, 222).
Aa
Black text reads best on this color (10.72:1).
About this color
#A3BBDE is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.057 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.018 away. Black text reads best on it, at 10.72:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.72:1 |
| White text | 1.95:1 |
Values
| HEX | #A3BBDE |
| RGB | rgb(163, 187, 222) |
| HSL | hsl(216, 47%, 75%) |
| OKLCH | oklch(78.6% 0.057 257.7) |
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 #A3BBDE | 1.95:1 | Fails | Lc -42.1 | Non-text elements, placeholder text |
| Black text on #A3BBDE | 10.72:1 | AAA | Lc 66.2 | Content text, not long reading |
| #A3BBDE text on white | 1.95:1 | Fails | Lc 37.7 | Non-text elements, placeholder text |
| #A3BBDE text on black | 10.72:1 | AAA | Lc -64.7 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEE
oklch(88.5% 0.031 258.9)
-
Step 300
300 (this color)
#A3BBDE
oklch(78.6% 0.057 257.7)
-
Step 400
400
#7DA2D9
oklch(70.6% 0.091 258.1)
-
Step 500
500
#5B8ACF
oklch(63% 0.117 257.9)
-
Step 600
600
#4173BC
oklch(55.6% 0.126 257.9)
-
Step 700
700
#3360A2
oklch(49.1% 0.117 258)
-
Step 800
800
#2B4F83
oklch(42.8% 0.096 257.7)
-
Step 900
900
#274269
oklch(37.7% 0.075 257.6)
-
Step 950
950
#17273E
oklch(27.1% 0.048 257.5)
#A3BBDE 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) | #AFBCE0 | 0.016 |
| Deuteranopia (no green cones) | #A9B7DD | 0.012 |
| Tritanopia (no blue cones) | #93C2C6 | 0.050 |
| Achromatopsia (no color) | #B9B9B9 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3BBDE
#A3BBDE
oklch(78.6% 0.057 257.7)
- #CEB591
#CEB591
oklch(78.6% 0.056 76.8)
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 #A3BBDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.018
- Light Cornflower Blue #98C1D9 ΔE 0.023
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.031
- Pastel Blue #A2BFFE ΔE 0.045
- French Gray #ADB5BD ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.047
- Sky Blue #87CEEB ΔE 0.054
Use #A3BBDE 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.