#A1B4DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.9% 0.06 264.6), rgb(161, 180, 219).
Aa
Black text reads best on this color (10.06:1).
About this color
#A1B4DB is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.060 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.027 away. Black text reads best on it, at 10.06:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.06:1 |
| White text | 2.08:1 |
Values
| HEX | #A1B4DB |
| RGB | rgb(161, 180, 219) |
| HSL | hsl(220, 45%, 75%) |
| OKLCH | oklch(76.9% 0.06 264.6) |
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 #A1B4DB | 2.08:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #A1B4DB | 10.06:1 | AAA | Lc 63.2 | Content text, not long reading |
| #A1B4DB text on white | 2.08:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #A1B4DB text on black | 10.06:1 | AAA | Lc -61.5 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CED9F0
oklch(88.4% 0.034 265.2)
-
Step 300
300 (this color)
#A1B4DB
oklch(76.9% 0.06 264.6)
-
Step 400
400
#83A0DD
oklch(70.8% 0.096 264.5)
-
Step 500
500
#6487D4
oklch(63.1% 0.123 264.6)
-
Step 600
600
#4C6FC1
oklch(55.6% 0.134 265)
-
Step 700
700
#3D5DA6
oklch(49.1% 0.123 264.5)
-
Step 800
800
#324C87
oklch(42.7% 0.103 264.5)
-
Step 900
900
#2C406C
oklch(37.7% 0.08 264.4)
-
Step 950
950
#1A263F
oklch(27.1% 0.05 263.9)
#A1B4DB 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) | #A8B6DD | 0.011 |
| Deuteranopia (no green cones) | #A2B1DA | 0.008 |
| Tritanopia (no blue cones) | #92BCC1 | 0.054 |
| Achromatopsia (no color) | #B3B3B3 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1B4DB
#A1B4DB
oklch(76.9% 0.06 264.6)
- #C6B188
#C6B188
oklch(76.8% 0.06 83.9)
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 #A1B4DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.043
- French Gray #ADB5BD ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.049
- Pastel Blue #A2BFFE ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.054
- Cool Steel #97A7B3 ΔE 0.062
Use #A1B4DB 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.