#AACBDF
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.4% 0.045 234.7), rgb(170, 203, 223).
Aa
Black text reads best on this color (12.31:1).
About this color
#AACBDF is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.045 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.018 away. Black text reads best on it, at 12.31:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.31:1 |
| White text | 1.70:1 |
Values
| HEX | #AACBDF |
| RGB | rgb(170, 203, 223) |
| HSL | hsl(203, 45%, 77%) |
| OKLCH | oklch(82.4% 0.045 234.7) |
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 #AACBDF | 1.70:1 | Fails | Lc -34.3 | Non-text elements, placeholder text |
| Black text on #AACBDF | 12.31:1 | AAA | Lc 73.3 | Content text, not long reading |
| #AACBDF text on white | 1.70:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #AACBDF text on black | 12.31:1 | AAA | Lc -72.3 | 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
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300 (this color)
#AACBDF
oklch(82.4% 0.045 234.7)
-
Step 400
400
#73A8C7
oklch(70.6% 0.072 234.9)
-
Step 500
500
#4B92B9
oklch(63% 0.092 234.9)
-
Step 600
600
#297CA5
oklch(55.6% 0.1 234.5)
-
Step 700
700
#1A688E
oklch(49% 0.094 235.3)
-
Step 800
800
#195573
oklch(42.6% 0.078 234.9)
-
Step 900
900
#1C475D
oklch(37.8% 0.06 233.9)
-
Step 950
950
#122936
oklch(26.9% 0.038 235.3)
#AACBDF 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) | #C2CAE0 | 0.031 |
| Deuteranopia (no green cones) | #BAC4DF | 0.026 |
| Tritanopia (no blue cones) | #9BD0D1 | 0.033 |
| Achromatopsia (no color) | #C6C6C6 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACBDF
#AACBDF
oklch(82.4% 0.045 234.7)
- #DEBEAA
#DEBEAA
oklch(82.4% 0.046 53.9)
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 #AACBDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.018
- Light Steel Blue #B0C4DE ΔE 0.019
- Cloudy Blue #ACC2D9 ΔE 0.023
- Light Blue #ADD8E6 ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Sky Blue #87CEEB ΔE 0.039
- Celeste #A8DADC ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.042
Use #AACBDF 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.