#A4B4DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.1% 0.059 267.5), rgb(164, 180, 219).
Aa
Black text reads best on this color (10.12:1).
About this color
#A4B4DB is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.059 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.028 away. Black text reads best on it, at 10.12:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.12:1 |
| White text | 2.07:1 |
Values
| HEX | #A4B4DB |
| RGB | rgb(164, 180, 219) |
| HSL | hsl(223, 43%, 75%) |
| OKLCH | oklch(77.1% 0.059 267.5) |
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 #A4B4DB | 2.07:1 | Fails | Lc -45.1 | Large or bold text, headings |
| Black text on #A4B4DB | 10.12:1 | AAA | Lc 63.5 | Content text, not long reading |
| #A4B4DB text on white | 2.07:1 | Fails | Lc 40.5 | Non-text elements, placeholder text |
| #A4B4DB text on black | 10.12:1 | AAA | Lc -61.8 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300 (this color)
#A4B4DB
oklch(77.1% 0.059 267.5)
-
Step 400
400
#879FDC
oklch(70.8% 0.094 267.5)
-
Step 500
500
#6986D2
oklch(63.1% 0.12 267.1)
-
Step 600
600
#526EBF
oklch(55.6% 0.13 267.7)
-
Step 700
700
#425CA5
oklch(49.1% 0.121 267.1)
-
Step 800
800
#374B86
oklch(42.7% 0.101 267.9)
-
Step 900
900
#2F3F6B
oklch(37.6% 0.078 267.5)
-
Step 950
950
#1C253F
oklch(27% 0.05 268.4)
#A4B4DB 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) | #A8B7DD | 0.010 |
| Deuteranopia (no green cones) | #A3B2DA | 0.006 |
| Tritanopia (no blue cones) | #96BCC1 | 0.053 |
| Achromatopsia (no color) | #B4B4B4 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4B4DB
#A4B4DB
oklch(77.1% 0.059 267.5)
- #C4B38A
#C4B38A
oklch(77.1% 0.059 88.1)
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 #A4B4DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.041
- French Gray #ADB5BD ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.055
- Light Blue Grey #B7C9E2 ΔE 0.063
Use #A4B4DB 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.