#AACBDD
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.4% 0.043 231.8), rgb(170, 203, 221).
Aa
Black text reads best on this color (12.29:1).
About this color
#AACBDD is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.043 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.019 away. Black text reads best on it, at 12.29:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.29:1 |
| White text | 1.70:1 |
Values
| HEX | #AACBDD |
| RGB | rgb(170, 203, 221) |
| HSL | hsl(201, 43%, 77%) |
| OKLCH | oklch(82.4% 0.043 231.8) |
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 #AACBDD | 1.70:1 | Fails | Lc -34.4 | Non-text elements, placeholder text |
| Black text on #AACBDD | 12.29:1 | AAA | Lc 73.2 | Content text, not long reading |
| #AACBDD text on white | 1.70:1 | Fails | Lc 30.6 | Non-text elements, placeholder text |
| #AACBDD text on black | 12.29:1 | AAA | Lc -72.2 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE7
oklch(88.4% 0.025 234.5)
-
Step 300
300 (this color)
#AACBDD
oklch(82.4% 0.043 231.8)
-
Step 400
400
#73A9C5
oklch(70.7% 0.07 231.6)
-
Step 500
500
#4C93B6
oklch(63.1% 0.089 231.9)
-
Step 600
600
#2A7DA2
oklch(55.7% 0.096 231.7)
-
Step 700
700
#1B698B
oklch(49.1% 0.09 232.2)
-
Step 800
800
#1A5671
oklch(42.8% 0.075 232)
-
Step 900
900
#1D475B
oklch(37.8% 0.058 231.8)
-
Step 950
950
#122A35
oklch(27.1% 0.036 229.8)
#AACBDD 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) | #C2C9DE | 0.031 |
| Deuteranopia (no green cones) | #BBC3DD | 0.029 |
| Tritanopia (no blue cones) | #9BD0D1 | 0.031 |
| Achromatopsia (no color) | #C6C6C6 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACBDD
#AACBDD
oklch(82.4% 0.043 231.8)
- #DDBEAC
#DDBEAC
oklch(82.3% 0.043 52)
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 #AACBDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.019
- Light Steel Blue #B0C4DE ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.023
- Light Blue #ADD8E6 ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Sky Blue #87CEEB ΔE 0.040
- Celeste #A8DADC ΔE 0.041
- Light Grey Blue #9DBCD4 ΔE 0.044
Use #AACBDD 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.