#AACEFA
Closest named color: Baby Blue (#A2CFFE). oklch(84.1% 0.073 253.7), rgb(170, 206, 250).
Aa
Black text reads best on this color (12.91:1).
About this color
#AACEFA is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.073 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.010 away. Black text reads best on it, at 12.91:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.91:1 |
| White text | 1.62:1 |
Values
| HEX | #AACEFA |
| RGB | rgb(170, 206, 250) |
| HSL | hsl(213, 89%, 82%) |
| OKLCH | oklch(84.1% 0.073 253.7) |
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 #AACEFA | 1.62:1 | Fails | Lc -31.5 | Non-text elements, placeholder text |
| Black text on #AACEFA | 12.91:1 | AAA | Lc 75.9 | Fine for body text |
| #AACEFA text on white | 1.62:1 | Fails | Lc 27.9 | Dividers and decoration only |
| #AACEFA text on black | 12.91:1 | AAA | Lc -75.0 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C7DBF4
oklch(88.4% 0.041 254)
-
Step 300
300 (this color)
#AACEFA
oklch(84.1% 0.073 253.7)
-
Step 400
400
#6BA4E8
oklch(70.8% 0.117 253.6)
-
Step 500
500
#408BE1
oklch(63.1% 0.15 253.8)
-
Step 600
600
#1973CF
oklch(55.6% 0.163 253.8)
-
Step 700
700
#0860B3
oklch(49.1% 0.151 253.8)
-
Step 800
800
#0E4F91
oklch(42.8% 0.125 253.7)
-
Step 900
900
#164273
oklch(37.7% 0.097 253.8)
-
Step 950
950
#0E2744
oklch(27% 0.062 253.9)
#AACEFA 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) | #BECFFC | 0.025 |
| Deuteranopia (no green cones) | #B5C7F9 | 0.021 |
| Tritanopia (no blue cones) | #92D8DC | 0.064 |
| Achromatopsia (no color) | #CBCBCB | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACEFA
#AACEFA
oklch(84.1% 0.073 253.7)
- #E8C496
#E8C496
oklch(84% 0.073 73.4)
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 #AACEFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.010
- Light Blue Grey #B7C9E2 ΔE 0.034
- Light Periwinkle #C1C6FC ΔE 0.035
- Light Sky Blue #87CEFA ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.040
- Pastel Blue #A2BFFE ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.045
- Sky Blue #87CEEB ΔE 0.046
Use #AACEFA 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.