#AACDDB
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.7% 0.042 224.1), rgb(170, 205, 219).
Aa
Black text reads best on this color (12.46:1).
About this color
#AACDDB is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.042 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.023 away. Black text reads best on it, at 12.46:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.46:1 |
| White text | 1.68:1 |
Values
| HEX | #AACDDB |
| RGB | rgb(170, 205, 219) |
| HSL | hsl(197, 40%, 76%) |
| OKLCH | oklch(82.7% 0.042 224.1) |
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 #AACDDB | 1.68:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #AACDDB | 12.46:1 | AAA | Lc 73.9 | Content text, not long reading |
| #AACDDB text on white | 1.68:1 | Fails | Lc 29.9 | Dividers and decoration only |
| #AACDDB text on black | 12.46:1 | AAA | Lc -72.9 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300 (this color)
#AACDDB
oklch(82.7% 0.042 224.1)
-
Step 400
400
#71AAC0
oklch(70.7% 0.068 224.3)
-
Step 500
500
#4895B0
oklch(63.2% 0.086 223.7)
-
Step 600
600
#227F9C
oklch(55.7% 0.094 223.7)
-
Step 700
700
#126B85
oklch(49.2% 0.087 223.6)
-
Step 800
800
#14576C
oklch(42.7% 0.072 223.9)
-
Step 900
900
#1A4858
oklch(37.8% 0.056 224.3)
-
Step 950
950
#112A33
oklch(26.9% 0.035 224)
#AACDDB 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) | #C5CBDC | 0.034 |
| Deuteranopia (no green cones) | #BDC5DB | 0.030 |
| Tritanopia (no blue cones) | #9CD2D1 | 0.028 |
| Achromatopsia (no color) | #C7C7C7 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACDDB
#AACDDB
oklch(82.7% 0.042 224.1)
- #DFBEB1
#DFBEB1
oklch(82.6% 0.042 42.7)
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 #AACDDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.023
- Light Steel Blue #B0C4DE ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.030
- Celeste #A8DADC ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Sky Blue #87CEEB ΔE 0.042
- Silver #C0C0C0 ΔE 0.046
Use #AACDDB 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.