#A1CEEC
Closest named color: Baby Blue (#A2CFFE). oklch(83% 0.063 237.7), rgb(161, 206, 236).
Aa
Black text reads best on this color (12.55:1).
About this color
#A1CEEC is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.063 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.026 away. Black text reads best on it, at 12.55:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.55:1 |
| White text | 1.67:1 |
Values
| HEX | #A1CEEC |
| RGB | rgb(161, 206, 236) |
| HSL | hsl(204, 66%, 78%) |
| OKLCH | oklch(83% 0.063 237.7) |
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 #A1CEEC | 1.67:1 | Fails | Lc -33.2 | Non-text elements, placeholder text |
| Black text on #A1CEEC | 12.55:1 | AAA | Lc 74.4 | Content text, not long reading |
| #A1CEEC text on white | 1.67:1 | Fails | Lc 29.5 | Dividers and decoration only |
| #A1CEEC text on black | 12.55:1 | AAA | Lc -73.4 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C4DDEE
oklch(88.4% 0.036 237.6)
-
Step 300
300 (this color)
#A1CEEC
oklch(83% 0.063 237.7)
-
Step 400
400
#5EAAD8
oklch(70.7% 0.101 237.1)
-
Step 500
500
#2193CE
oklch(63.1% 0.13 237.9)
-
Step 600
600
#007CB2
oklch(55.6% 0.123 237.7)
-
Step 700
700
#006896
oklch(49.1% 0.108 237.6)
-
Step 800
800
#00557C
oklch(42.7% 0.094 237.9)
-
Step 900
900
#004768
oklch(37.7% 0.083 237.5)
-
Step 950
950
#062A3D
oklch(27.1% 0.053 236.9)
#A1CEEC 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) | #C1CDEE | 0.039 |
| Deuteranopia (no green cones) | #B7C4EC | 0.036 |
| Tritanopia (no blue cones) | #89D6D8 | 0.049 |
| Achromatopsia (no color) | #C8C8C8 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1CEEC
#A1CEEC
oklch(83% 0.063 237.7)
- #E8BE9F
#E8BE9F
oklch(83.1% 0.064 58.2)
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 #A1CEEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.026
- Sky Blue #87CEEB ΔE 0.028
- Light Blue Grey #B7C9E2 ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.030
- Light Sky Blue #87CEFA ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.035
- Cloudy Blue #ACC2D9 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.041
Use #A1CEEC 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.