#AECAF1
Closest named color: Baby Blue (#A2CFFE). oklch(83.1% 0.063 256.7), rgb(174, 202, 241).
Aa
Black text reads best on this color (12.51:1).
About this color
#AECAF1 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.063 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.022 away. Black text reads best on it, at 12.51:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.51:1 |
| White text | 1.67:1 |
Values
| HEX | #AECAF1 |
| RGB | rgb(174, 202, 241) |
| HSL | hsl(215, 71%, 81%) |
| OKLCH | oklch(83.1% 0.063 256.7) |
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 #AECAF1 | 1.67:1 | Fails | Lc -33.4 | Non-text elements, placeholder text |
| Black text on #AECAF1 | 12.51:1 | AAA | Lc 74.2 | Content text, not long reading |
| #AECAF1 text on white | 1.67:1 | Fails | Lc 29.6 | Dividers and decoration only |
| #AECAF1 text on black | 12.51:1 | AAA | Lc -73.2 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CBDBF1
oklch(88.6% 0.035 256.3)
-
Step 300
300 (this color)
#AECAF1
oklch(83.1% 0.063 256.7)
-
Step 400
400
#77A3DF
oklch(70.8% 0.101 256.3)
-
Step 500
500
#548AD6
oklch(63% 0.129 257.1)
-
Step 600
600
#3773C3
oklch(55.6% 0.139 256.5)
-
Step 700
700
#2A60A9
oklch(49.2% 0.13 256.9)
-
Step 800
800
#244F89
oklch(42.8% 0.108 256.7)
-
Step 900
900
#22426D
oklch(37.7% 0.083 256.4)
-
Step 950
950
#152740
oklch(27.1% 0.053 256.9)
#AECAF1 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) | #BDCBF3 | 0.020 |
| Deuteranopia (no green cones) | #B5C5F0 | 0.015 |
| Tritanopia (no blue cones) | #9BD2D7 | 0.054 |
| Achromatopsia (no color) | #C8C8C8 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECAF1
#AECAF1
oklch(83.1% 0.063 256.7)
- #DFC39A
#DFC39A
oklch(83.1% 0.063 77.1)
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 #AECAF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.022
- Light Blue Grey #B7C9E2 ΔE 0.023
- Light Steel Blue #B0C4DE ΔE 0.027
- Light Periwinkle #C1C6FC ΔE 0.033
- Cloudy Blue #ACC2D9 ΔE 0.035
- Pastel Blue #A2BFFE ΔE 0.043
- Light Sky Blue #87CEFA ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.045
Use #AECAF1 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.