#ACC3EC
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.4% 0.063 261.9), rgb(172, 195, 236).
Aa
Black text reads best on this color (11.77:1).
About this color
#ACC3EC is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.063 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.022 away. Black text reads best on it, at 11.77:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.77:1 |
| White text | 1.78:1 |
Values
| HEX | #ACC3EC |
| RGB | rgb(172, 195, 236) |
| HSL | hsl(218, 63%, 80%) |
| OKLCH | oklch(81.4% 0.063 261.9) |
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 #ACC3EC | 1.78:1 | Fails | Lc -36.9 | Non-text elements, placeholder text |
| Black text on #ACC3EC | 11.77:1 | AAA | Lc 70.9 | Content text, not long reading |
| #ACC3EC text on white | 1.78:1 | Fails | Lc 32.9 | Non-text elements, placeholder text |
| #ACC3EC text on black | 11.77:1 | AAA | Lc -69.7 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CDDAF1
oklch(88.6% 0.035 262)
-
Step 300
300 (this color)
#ACC3EC
oklch(81.4% 0.063 261.9)
-
Step 400
400
#7EA1E0
oklch(70.8% 0.101 261.8)
-
Step 500
500
#5D88D7
oklch(63.1% 0.129 261.7)
-
Step 600
600
#4370C5
oklch(55.6% 0.141 261.9)
-
Step 700
700
#355DAA
oklch(49% 0.131 262.1)
-
Step 800
800
#2C4D8A
oklch(42.8% 0.109 261.6)
-
Step 900
900
#28406E
oklch(37.6% 0.085 262.3)
-
Step 950
950
#182640
oklch(27% 0.052 262)
#ACC3EC 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) | #B6C5EE | 0.015 |
| Deuteranopia (no green cones) | #AFBFEB | 0.011 |
| Tritanopia (no blue cones) | #9BCBD0 | 0.056 |
| Achromatopsia (no color) | #C2C2C2 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC3EC
#ACC3EC
oklch(81.4% 0.063 261.9)
- #D7BF94
#D7BF94
oklch(81.4% 0.063 82)
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 #ACC3EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.022
- Cloudy Blue #ACC2D9 ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.029
- Pastel Blue #A2BFFE ΔE 0.033
- Baby Blue #A2CFFE ΔE 0.035
- Light Periwinkle #C1C6FC ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.042
Use #ACC3EC 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.