#AECCFB
Closest named color: Baby Blue (#A2CFFE). oklch(83.9% 0.074 259.3), rgb(174, 204, 251).
Aa
Black text reads best on this color (12.82:1).
About this color
#AECCFB is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.074 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.015 away. Black text reads best on it, at 12.82:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.82:1 |
| White text | 1.63:1 |
Values
| HEX | #AECCFB |
| RGB | rgb(174, 204, 251) |
| HSL | hsl(217, 91%, 83%) |
| OKLCH | oklch(83.9% 0.074 259.3) |
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 #AECCFB | 1.63:1 | Fails | Lc -31.9 | Non-text elements, placeholder text |
| Black text on #AECCFB | 12.82:1 | AAA | Lc 75.5 | Fine for body text |
| #AECCFB text on white | 1.63:1 | Fails | Lc 28.3 | Dividers and decoration only |
| #AECCFB text on black | 12.82:1 | AAA | Lc -74.6 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF9
oklch(93.7% 0.021 259.2)
-
Step 200
200
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300 (this color)
#AECCFB
oklch(83.9% 0.074 259.3)
-
Step 400
400
#73A1EA
oklch(70.6% 0.119 259.3)
-
Step 500
500
#4E88E3
oklch(63.1% 0.15 259.1)
-
Step 600
600
#3170D1
oklch(55.7% 0.163 259)
-
Step 700
700
#245DB5
oklch(49.1% 0.152 259.1)
-
Step 800
800
#1F4C93
oklch(42.7% 0.127 259.3)
-
Step 900
900
#1F4075
oklch(37.7% 0.099 259.5)
-
Step 950
950
#132644
oklch(27% 0.061 259.2)
#AECCFB 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) | #BCCEFD | 0.019 |
| Deuteranopia (no green cones) | #B4C7FA | 0.014 |
| Tritanopia (no blue cones) | #98D6DC | 0.065 |
| Achromatopsia (no color) | #CACACA | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AECCFB
#AECCFB
oklch(83.9% 0.074 259.3)
- #E4C594
#E4C594
oklch(83.8% 0.073 78.9)
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 #AECCFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.015
- Light Periwinkle #C1C6FC ΔE 0.028
- Light Blue Grey #B7C9E2 ΔE 0.035
- Pastel Blue #A2BFFE ΔE 0.040
- Light Steel Blue #B0C4DE ΔE 0.040
- Light Sky Blue #87CEFA ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.049
- Sky #82CAFC ΔE 0.049
Use #AECCFB 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.