#A1C0EA
Closest named color: Light Cornflower Blue (#98C1D9). oklch(80% 0.069 256.1), rgb(161, 192, 234).
Aa
Black text reads best on this color (11.24:1).
About this color
#A1C0EA is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.069 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.029 away. Black text reads best on it, at 11.24:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.24:1 |
| White text | 1.86:1 |
Values
| HEX | #A1C0EA |
| RGB | rgb(161, 192, 234) |
| HSL | hsl(215, 63%, 77%) |
| OKLCH | oklch(80% 0.069 256.1) |
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 #A1C0EA | 1.86:1 | Fails | Lc -39.5 | Non-text elements, placeholder text |
| Black text on #A1C0EA | 11.24:1 | AAA | Lc 68.6 | Content text, not long reading |
| #A1C0EA text on white | 1.86:1 | Fails | Lc 35.3 | Non-text elements, placeholder text |
| #A1C0EA text on black | 11.24:1 | AAA | Lc -67.2 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF3
oklch(88.5% 0.038 255.6)
-
Step 300
300 (this color)
#A1C0EA
oklch(80% 0.069 256.1)
-
Step 400
400
#72A3E4
oklch(70.7% 0.109 255.8)
-
Step 500
500
#4C8ADD
oklch(63.1% 0.141 256.4)
-
Step 600
600
#2D72CA
oklch(55.5% 0.153 256.2)
-
Step 700
700
#1F5FAF
oklch(49% 0.143 256.2)
-
Step 800
800
#1C4E8E
oklch(42.7% 0.119 256.3)
-
Step 900
900
#1D4271
oklch(37.8% 0.091 255.6)
-
Step 950
950
#122742
oklch(27.1% 0.057 255.5)
#A1C0EA 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) | #B1C2EC | 0.022 |
| Deuteranopia (no green cones) | #A9BAE9 | 0.017 |
| Tritanopia (no blue cones) | #8BC9CE | 0.060 |
| Achromatopsia (no color) | #BEBEBE | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1C0EA
#A1C0EA
oklch(80% 0.069 256.1)
- #D7B88C
#D7B88C
oklch(79.9% 0.068 76.2)
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 #A1C0EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.029
- Light Steel Blue #B0C4DE ΔE 0.030
- Pastel Blue #A2BFFE ΔE 0.030
- Light Grey Blue #9DBCD4 ΔE 0.032
- Sky #82CAFC ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.042
Use #A1C0EA 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.