#AACCFB
Closest named color: Baby Blue (#A2CFFE). oklch(83.7% 0.076 256.6), rgb(170, 204, 251).
Aa
Black text reads best on this color (12.73:1).
About this color
#AACCFB is a light, moderately saturated blue. In OKLCH its lightness is 84%, its chroma 0.076 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.011 away. Black text reads best on it, at 12.73:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.73:1 |
| White text | 1.64:1 |
Values
| HEX | #AACCFB |
| RGB | rgb(170, 204, 251) |
| HSL | hsl(215, 91%, 83%) |
| OKLCH | oklch(83.7% 0.076 256.6) |
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 #AACCFB | 1.64:1 | Fails | Lc -32.3 | Non-text elements, placeholder text |
| Black text on #AACCFB | 12.73:1 | AAA | Lc 75.1 | Fine for body text |
| #AACCFB text on white | 1.64:1 | Fails | Lc 28.7 | Dividers and decoration only |
| #AACCFB text on black | 12.73:1 | AAA | Lc -74.2 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300 (this color)
#AACCFB
oklch(83.7% 0.076 256.6)
-
Step 400
400
#6DA2EB
oklch(70.6% 0.122 256.6)
-
Step 500
500
#4589E5
oklch(63.1% 0.155 256.7)
-
Step 600
600
#2371D3
oklch(55.6% 0.168 256.5)
-
Step 700
700
#155EB7
oklch(49.1% 0.157 256.6)
-
Step 800
800
#154D94
oklch(42.7% 0.13 256.7)
-
Step 900
900
#194176
oklch(37.7% 0.101 256.6)
-
Step 950
950
#102645
oklch(26.9% 0.064 257.3)
#AACCFB 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) | #BBCEFD | 0.022 |
| Deuteranopia (no green cones) | #B2C6FA | 0.017 |
| Tritanopia (no blue cones) | #92D6DC | 0.066 |
| Achromatopsia (no color) | #C9C9C9 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACCFB
#AACCFB
oklch(83.7% 0.076 256.6)
- #E6C492
#E6C492
oklch(83.8% 0.076 77)
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 #AACCFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.011
- Light Periwinkle #C1C6FC ΔE 0.032
- Light Blue Grey #B7C9E2 ΔE 0.036
- Light Sky Blue #87CEFA ΔE 0.038
- Pastel Blue #A2BFFE ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.040
- Sky #82CAFC ΔE 0.045
- Sky Blue #87CEEB ΔE 0.048
Use #AACCFB 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.