#AAADC4
Closest named color: French Gray (#ADB5BD). oklch(75.3% 0.033 279.7), rgb(170, 173, 196).
Aa
Black text reads best on this color (9.48:1).
About this color
#AAADC4 is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.033 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.028 away. Black text reads best on it, at 9.48:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.48:1 |
| White text | 2.21:1 |
Values
| HEX | #AAADC4 |
| RGB | rgb(170, 173, 196) |
| HSL | hsl(233, 18%, 72%) |
| OKLCH | oklch(75.3% 0.033 279.7) |
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 #AAADC4 | 2.21:1 | Fails | Lc -48.4 | Large or bold text, headings |
| Black text on #AAADC4 | 9.48:1 | AAA | Lc 60.3 | Content text, not long reading |
| #AAADC4 text on white | 2.21:1 | Fails | Lc 43.6 | Non-text elements, placeholder text |
| #AAADC4 text on black | 9.48:1 | AAA | Lc -58.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D8E1
oklch(88.4% 0.012 281.1)
-
Step 300
300
#BDBFCE
oklch(80.8% 0.021 279.9)
-
Step 400
400 (this color)
#AAADC4
oklch(75.3% 0.033 279.7)
-
Step 500
500
#8487A3
oklch(63.1% 0.042 280.3)
-
Step 600
600
#6D718E
oklch(55.6% 0.045 278.7)
-
Step 700
700
#5B5E79
oklch(49% 0.043 279.7)
-
Step 800
800
#4B4D62
oklch(42.7% 0.035 280.5)
-
Step 900
900
#3E4050
oklch(37.6% 0.027 279.4)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#AAADC4 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) | #A7AFC5 | 0.006 |
| Deuteranopia (no green cones) | #A6ADC3 | 0.006 |
| Tritanopia (no blue cones) | #A5B1B4 | 0.030 |
| Achromatopsia (no color) | #AEAEAE | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAADC4
#AAADC4
oklch(75.3% 0.033 279.7)
- #B3B098
#B3B098
oklch(75.3% 0.033 101.3)
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 #AAADC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.028
- Dark Gray #A9A9A9 ΔE 0.038
- Cool Steel #97A7B3 ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.054
- Pinkish Grey #C8ACA9 ΔE 0.055
- Cloudy Blue #ACC2D9 ΔE 0.056
- Cool Grey #95A3A6 ΔE 0.056
Use #AAADC4 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.