#A9C8EA
Closest named color: Light Steel Blue (#B0C4DE). oklch(82.1% 0.059 250.9), rgb(169, 200, 234).
Aa
Black text reads best on this color (12.13:1).
About this color
#A9C8EA is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.059 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.018 away. Black text reads best on it, at 12.13:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.13:1 |
| White text | 1.73:1 |
Values
| HEX | #A9C8EA |
| RGB | rgb(169, 200, 234) |
| HSL | hsl(211, 61%, 79%) |
| OKLCH | oklch(82.1% 0.059 250.9) |
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 #A9C8EA | 1.73:1 | Fails | Lc -35.2 | Non-text elements, placeholder text |
| Black text on #A9C8EA | 12.13:1 | AAA | Lc 72.5 | Content text, not long reading |
| #A9C8EA text on white | 1.73:1 | Fails | Lc 31.3 | Non-text elements, placeholder text |
| #A9C8EA text on black | 12.13:1 | AAA | Lc -71.4 | 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
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300 (this color)
#A9C8EA
oklch(82.1% 0.059 250.9)
-
Step 400
400
#74A5D9
oklch(70.8% 0.093 250.7)
-
Step 500
500
#4D8DCF
oklch(63% 0.12 250.9)
-
Step 600
600
#2E76BC
oklch(55.6% 0.13 250.9)
-
Step 700
700
#2063A2
oklch(49.1% 0.121 250.7)
-
Step 800
800
#1D5184
oklch(42.7% 0.101 251.1)
-
Step 900
900
#1E4369
oklch(37.6% 0.078 251.2)
-
Step 950
950
#13283E
oklch(27.1% 0.049 251.1)
#A9C8EA 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) | #BBC9EC | 0.023 |
| Deuteranopia (no green cones) | #B4C2E9 | 0.020 |
| Tritanopia (no blue cones) | #96D0D3 | 0.051 |
| Achromatopsia (no color) | #C5C5C5 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9C8EA
#A9C8EA
oklch(82.1% 0.059 250.9)
- #DDBF9C
#DDBF9C
oklch(82.2% 0.058 71.2)
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 #A9C8EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.018
- Light Blue Grey #B7C9E2 ΔE 0.021
- Cloudy Blue #ACC2D9 ΔE 0.024
- Baby Blue #A2CFFE ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Sky Blue #87CEEB ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.040
- Light Periwinkle #C1C6FC ΔE 0.043
Use #A9C8EA 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.