#A4CEEF
Closest named color: Baby Blue (#A2CFFE). oklch(83.3% 0.064 242.2), rgb(164, 206, 239).
Aa
Black text reads best on this color (12.65:1).
About this color
#A4CEEF is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.064 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.021 away. Black text reads best on it, at 12.65:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.65:1 |
| White text | 1.65:1 |
Values
| HEX | #A4CEEF |
| RGB | rgb(164, 206, 239) |
| HSL | hsl(206, 70%, 79%) |
| OKLCH | oklch(83.3% 0.064 242.2) |
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 #A4CEEF | 1.65:1 | Fails | Lc -32.7 | Non-text elements, placeholder text |
| Black text on #A4CEEF | 12.65:1 | AAA | Lc 74.8 | Content text, not long reading |
| #A4CEEF text on white | 1.65:1 | Fails | Lc 29.0 | Dividers and decoration only |
| #A4CEEF text on black | 12.65:1 | AAA | Lc -73.8 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF6
oklch(93.7% 0.019 243)
-
Step 200
200
#C5DDEF
oklch(88.5% 0.036 240.3)
-
Step 300
300 (this color)
#A4CEEF
oklch(83.3% 0.064 242.2)
-
Step 400
400
#63A8DB
oklch(70.6% 0.103 242.2)
-
Step 500
500
#2E91D2
oklch(63.1% 0.132 242.5)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679D
oklch(49.2% 0.117 242)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#07466B
oklch(37.8% 0.086 242.1)
-
Step 950
950
#09293F
oklch(27% 0.055 243)
#A4CEEF 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) | #C0CDF1 | 0.035 |
| Deuteranopia (no green cones) | #B7C5EE | 0.031 |
| Tritanopia (no blue cones) | #8DD6D9 | 0.051 |
| Achromatopsia (no color) | #C9C9C9 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4CEEF
#A4CEEF
oklch(83.3% 0.064 242.2)
- #E7C09E
#E7C09E
oklch(83.3% 0.064 62.9)
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 #A4CEEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.031
- Sky Blue #87CEEB ΔE 0.033
- Light Sky Blue #87CEFA ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.037
- Sky #82CAFC ΔE 0.043
Use #A4CEEF 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.