#AACCEF
Closest named color: Baby Blue (#A2CFFE). oklch(83.2% 0.061 249.3), rgb(170, 204, 239).
Aa
Black text reads best on this color (12.59:1).
About this color
#AACCEF is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.061 and its hue 249°. 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 12.59:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.59:1 |
| White text | 1.66:1 |
Values
| HEX | #AACCEF |
| RGB | rgb(170, 204, 239) |
| HSL | hsl(210, 68%, 80%) |
| OKLCH | oklch(83.2% 0.061 249.3) |
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 #AACCEF | 1.66:1 | Fails | Lc -33.0 | Non-text elements, placeholder text |
| Black text on #AACCEF | 12.59:1 | AAA | Lc 74.5 | Content text, not long reading |
| #AACCEF text on white | 1.66:1 | Fails | Lc 29.3 | Dividers and decoration only |
| #AACCEF text on black | 12.59:1 | AAA | Lc -73.5 | 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
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DCEF
oklch(88.6% 0.033 248.2)
-
Step 300
300 (this color)
#AACCEF
oklch(83.2% 0.061 249.3)
-
Step 400
400
#6FA5DB
oklch(70.6% 0.098 249.4)
-
Step 500
500
#468ED2
oklch(63.1% 0.126 249.3)
-
Step 600
600
#2377BF
oklch(55.7% 0.136 249.2)
-
Step 700
700
#1463A5
oklch(49% 0.128 249.7)
-
Step 800
800
#155185
oklch(42.6% 0.105 249.4)
-
Step 900
900
#19446B
oklch(37.7% 0.082 249.1)
-
Step 950
950
#10283F
oklch(27% 0.053 249.5)
#AACCEF 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) | #BFCCF1 | 0.027 |
| Deuteranopia (no green cones) | #B6C5EE | 0.022 |
| Tritanopia (no blue cones) | #96D4D7 | 0.052 |
| Achromatopsia (no color) | #C8C8C8 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACCEF
#AACCEF
oklch(83.2% 0.061 249.3)
- #E3C29D
#E3C29D
oklch(83.3% 0.062 70)
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 #AACCEF, 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 0.022
- Light Steel Blue #B0C4DE ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.034
- Light Sky Blue #87CEFA ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.040
- Light Periwinkle #C1C6FC ΔE 0.040
Use #AACCEF 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.