#AECFF0
Closest named color: Light Blue Grey (#B7C9E2). oklch(84.1% 0.058 248.5), rgb(174, 207, 240).
Aa
Black text reads best on this color (12.98:1).
About this color
#AECFF0 is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.058 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.022 away. Black text reads best on it, at 12.98:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.98:1 |
| White text | 1.61:1 |
Values
| HEX | #AECFF0 |
| RGB | rgb(174, 207, 240) |
| HSL | hsl(210, 69%, 81%) |
| OKLCH | oklch(84.1% 0.058 248.5) |
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 #AECFF0 | 1.61:1 | Fails | Lc -31.2 | Non-text elements, placeholder text |
| Black text on #AECFF0 | 12.98:1 | AAA | Lc 76.1 | Fine for body text |
| #AECFF0 text on white | 1.61:1 | Fails | Lc 27.7 | Dividers and decoration only |
| #AECFF0 text on black | 12.98:1 | AAA | Lc -75.3 | Fine for body text |
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
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300 (this color)
#AECFF0
oklch(84.1% 0.058 248.5)
-
Step 400
400
#71A6D8
oklch(70.8% 0.093 247.8)
-
Step 500
500
#498ECE
oklch(63% 0.12 248.7)
-
Step 600
600
#2877BB
oklch(55.6% 0.13 248.7)
-
Step 700
700
#1964A1
oklch(49.1% 0.12 248.4)
-
Step 800
800
#185283
oklch(42.8% 0.1 248.5)
-
Step 900
900
#1B4469
oklch(37.7% 0.078 248.6)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#AECFF0 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) | #C3CFF2 | 0.027 |
| Deuteranopia (no green cones) | #BAC8EF | 0.022 |
| Tritanopia (no blue cones) | #9BD7DA | 0.049 |
| Achromatopsia (no color) | #CBCBCB | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECFF0
#AECFF0
oklch(84.1% 0.058 248.5)
- #E5C5A3
#E5C5A3
oklch(84.2% 0.058 68.6)
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 #AECFF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.022
- Baby Blue #A2CFFE ΔE 0.023
- Light Blue #ADD8E6 ΔE 0.032
- Light Steel Blue #B0C4DE ΔE 0.032
- Light Periwinkle #C1C6FC ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.044
- Sky Blue #87CEEB ΔE 0.045
Use #AECFF0 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.