#A4CEF4
Closest named color: Baby Blue (#A2CFFE). oklch(83.4% 0.07 246.1), rgb(164, 206, 244).
Aa
Black text reads best on this color (12.71:1).
About this color
#A4CEF4 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.070 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.014 away. Black text reads best on it, at 12.71:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.71:1 |
| White text | 1.65:1 |
Values
| HEX | #A4CEF4 |
| RGB | rgb(164, 206, 244) |
| HSL | hsl(209, 78%, 80%) |
| OKLCH | oklch(83.4% 0.07 246.1) |
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 #A4CEF4 | 1.65:1 | Fails | Lc -32.4 | Non-text elements, placeholder text |
| Black text on #A4CEF4 | 12.71:1 | AAA | Lc 75.0 | Fine for body text |
| #A4CEF4 text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #A4CEF4 text on black | 12.71:1 | AAA | Lc -74.1 | 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
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C5DCF2
oklch(88.4% 0.039 247.1)
-
Step 300
300 (this color)
#A4CEF4
oklch(83.4% 0.07 246.1)
-
Step 400
400
#62A7E2
oklch(70.7% 0.112 246)
-
Step 500
500
#2D8FDA
oklch(63% 0.143 246.4)
-
Step 600
600
#0078C1
oklch(55.5% 0.143 246.2)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005287
oklch(42.6% 0.111 246.5)
-
Step 900
900
#07456F
oklch(37.8% 0.092 245.6)
-
Step 950
950
#092841
oklch(26.9% 0.059 246.9)
#A4CEF4 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) | #BFCEF6 | 0.033 |
| Deuteranopia (no green cones) | #B5C6F3 | 0.027 |
| Tritanopia (no blue cones) | #8BD7DA | 0.058 |
| Achromatopsia (no color) | #C9C9C9 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4CEF4
#A4CEF4
oklch(83.4% 0.07 246.1)
- #E9C099
#E9C099
oklch(83.4% 0.07 65.2)
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 #A4CEF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.014
- Light Blue Grey #B7C9E2 ΔE 0.031
- Light Sky Blue #87CEFA ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.035
- Sky Blue #87CEEB ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.040
- Sky #82CAFC ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.042
Use #A4CEF4 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.