#ACC4DF
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.1% 0.046 251.5), rgb(172, 196, 223).
Aa
Black text reads best on this color (11.71:1).
About this color
#ACC4DF is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.046 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.005 away. Black text reads best on it, at 11.71:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.71:1 |
| White text | 1.79:1 |
Values
| HEX | #ACC4DF |
| RGB | rgb(172, 196, 223) |
| HSL | hsl(212, 44%, 77%) |
| OKLCH | oklch(81.1% 0.046 251.5) |
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 #ACC4DF | 1.79:1 | Fails | Lc -37.2 | Non-text elements, placeholder text |
| Black text on #ACC4DF | 11.71:1 | AAA | Lc 70.7 | Content text, not long reading |
| #ACC4DF text on white | 1.79:1 | Fails | Lc 33.2 | Non-text elements, placeholder text |
| #ACC4DF text on black | 11.71:1 | AAA | Lc -69.5 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CDDBEA
oklch(88.5% 0.026 250)
-
Step 300
300 (this color)
#ACC4DF
oklch(81.1% 0.046 251.5)
-
Step 400
400
#7EA4CE
oklch(70.6% 0.075 251.4)
-
Step 500
500
#5D8DC1
oklch(63.1% 0.095 251.4)
-
Step 600
600
#4276AE
oklch(55.5% 0.104 251.8)
-
Step 700
700
#346395
oklch(49% 0.096 251.6)
-
Step 800
800
#2C5179
oklch(42.7% 0.079 251.8)
-
Step 900
900
#284361
oklch(37.6% 0.061 252.1)
-
Step 950
950
#182839
oklch(27.1% 0.038 250.8)
#ACC4DF 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) | #BAC4E0 | 0.018 |
| Deuteranopia (no green cones) | #B4BFDE | 0.016 |
| Tritanopia (no blue cones) | #9ECACD | 0.039 |
| Achromatopsia (no color) | #C1C1C1 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACC4DF
#ACC4DF
oklch(81.1% 0.046 251.5)
- #D5BDA1
#D5BDA1
oklch(81.1% 0.047 71.4)
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 #ACC4DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.005
- Cloudy Blue #ACC2D9 ΔE 0.009
- Light Blue Grey #B7C9E2 ΔE 0.020
- Light Cornflower Blue #98C1D9 ΔE 0.028
- Light Grey Blue #9DBCD4 ΔE 0.032
- Baby Blue #A2CFFE ΔE 0.045
- Sky Blue #87CEEB ΔE 0.045
- Silver #C0C0C0 ΔE 0.046
Use #ACC4DF 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.