#A1B2DD
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.5% 0.065 268), rgb(161, 178, 221).
Aa
Black text reads best on this color (9.92:1).
About this color
#A1B2DD is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.065 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.034 away. Black text reads best on it, at 9.92:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.92:1 |
| White text | 2.11:1 |
Values
| HEX | #A1B2DD |
| RGB | rgb(161, 178, 221) |
| HSL | hsl(223, 47%, 75%) |
| OKLCH | oklch(76.5% 0.065 268) |
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 #A1B2DD | 2.11:1 | Fails | Lc -46.1 | Large or bold text, headings |
| Black text on #A1B2DD | 9.92:1 | AAA | Lc 62.5 | Content text, not long reading |
| #A1B2DD text on white | 2.11:1 | Fails | Lc 41.4 | Non-text elements, placeholder text |
| #A1B2DD text on black | 9.92:1 | AAA | Lc -60.8 | 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
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300 (this color)
#A1B2DD
oklch(76.5% 0.065 268)
-
Step 400
400
#859EE2
oklch(70.7% 0.104 268.2)
-
Step 500
500
#6785D9
oklch(63.2% 0.131 267.7)
-
Step 600
600
#4F6DC7
oklch(55.7% 0.144 267.7)
-
Step 700
700
#405AAC
oklch(49.1% 0.134 268)
-
Step 800
800
#354A8B
oklch(42.7% 0.111 268)
-
Step 900
900
#2E3E6F
oklch(37.6% 0.086 268.4)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#A1B2DD 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) | #A5B5DF | 0.010 |
| Deuteranopia (no green cones) | #A0B0DC | 0.006 |
| Tritanopia (no blue cones) | #91BAC0 | 0.058 |
| Achromatopsia (no color) | #B2B2B2 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1B2DD
#A1B2DD
oklch(76.5% 0.065 268)
- #C4B184
#C4B184
oklch(76.6% 0.064 87.8)
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 #A1B2DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.049
- Carolina Blue #8AB8FE ΔE 0.051
- Pastel Blue #A2BFFE ΔE 0.051
- French Gray #ADB5BD ΔE 0.051
- Light Steel Blue #B0C4DE ΔE 0.054
- Cool Steel #97A7B3 ΔE 0.064
Use #A1B2DD 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.