#A4ADDF
Closest named color: Light Grey Blue (#9DBCD4). oklch(75.8% 0.073 276.6), rgb(164, 173, 223).
Aa
Black text reads best on this color (9.62:1).
About this color
#A4ADDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.073 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.048 away. Black text reads best on it, at 9.62:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.62:1 |
| White text | 2.18:1 |
Values
| HEX | #A4ADDF |
| RGB | rgb(164, 173, 223) |
| HSL | hsl(231, 48%, 76%) |
| OKLCH | oklch(75.8% 0.073 276.6) |
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 #A4ADDF | 2.18:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #A4ADDF | 9.62:1 | AAA | Lc 61.0 | Content text, not long reading |
| #A4ADDF text on white | 2.18:1 | Fails | Lc 42.9 | Non-text elements, placeholder text |
| #A4ADDF text on black | 9.62:1 | AAA | Lc -59.3 | 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 300.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D7F4
oklch(88.4% 0.04 277.8)
-
Step 300
300 (this color)
#A4ADDF
oklch(75.8% 0.073 276.6)
-
Step 400
400
#8E99E8
oklch(70.6% 0.116 276.9)
-
Step 500
500
#737EE1
oklch(63% 0.148 276.5)
-
Step 600
600
#5D65CF
oklch(55.5% 0.161 276.5)
-
Step 700
700
#4D53B4
oklch(49% 0.151 276.6)
-
Step 800
800
#3F4591
oklch(42.7% 0.123 276.4)
-
Step 900
900
#353B74
oklch(37.8% 0.096 276.2)
-
Step 950
950
#1F2344
oklch(27.1% 0.061 276.3)
#A4ADDF 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) | #9FB2E1 | 0.014 |
| Deuteranopia (no green cones) | #9BADDE | 0.012 |
| Tritanopia (no blue cones) | #95B6BE | 0.065 |
| Achromatopsia (no color) | #AFAFAF | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4ADDF
#A4ADDF
oklch(75.8% 0.073 276.6)
- #BEB17C
#BEB17C
oklch(75.9% 0.072 96)
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 #A4ADDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.048
- Carolina Blue #8AB8FE ΔE 0.052
- Pastel Blue #A2BFFE ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.058
- French Gray #ADB5BD ΔE 0.061
- Cloudy Blue #ACC2D9 ΔE 0.062
- Light Steel Blue #B0C4DE ΔE 0.066
- Cool Steel #97A7B3 ΔE 0.067
Use #A4ADDF 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.