#A4BFDB
Closest named color: Cloudy Blue (#ACC2D9). oklch(79.4% 0.05 249.4), rgb(164, 191, 219).
Aa
Black text reads best on this color (11.05:1).
About this color
#A4BFDB is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.050 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.014 away. Black text reads best on it, at 11.05:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.05:1 |
| White text | 1.89:1 |
Values
| HEX | #A4BFDB |
| RGB | rgb(164, 191, 219) |
| HSL | hsl(211, 43%, 75%) |
| OKLCH | oklch(79.4% 0.05 249.4) |
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 #A4BFDB | 1.89:1 | Fails | Lc -40.4 | Non-text elements, placeholder text |
| Black text on #A4BFDB | 11.05:1 | AAA | Lc 67.7 | Content text, not long reading |
| #A4BFDB text on white | 1.89:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #A4BFDB text on black | 11.05:1 | AAA | Lc -66.3 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300 (this color)
#A4BFDB
oklch(79.4% 0.05 249.4)
-
Step 400
400
#7AA5D1
oklch(70.7% 0.08 249.6)
-
Step 500
500
#578EC4
oklch(63.1% 0.101 249.3)
-
Step 600
600
#3A77B1
oklch(55.6% 0.111 249.4)
-
Step 700
700
#2C6498
oklch(49.1% 0.102 249.2)
-
Step 800
800
#26527B
oklch(42.8% 0.084 249)
-
Step 900
900
#244463
oklch(37.7% 0.066 249.2)
-
Step 950
950
#16283A
oklch(27.1% 0.041 249.6)
#A4BFDB 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) | #B5BFDC | 0.022 |
| Deuteranopia (no green cones) | #AEB9DA | 0.019 |
| Tritanopia (no blue cones) | #95C5C8 | 0.041 |
| Achromatopsia (no color) | #BCBCBC | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4BFDB
#A4BFDB
oklch(79.4% 0.05 249.4)
- #D1B79A
#D1B79A
oklch(79.4% 0.05 70.1)
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 #A4BFDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.014
- Light Grey Blue #9DBCD4 ΔE 0.015
- Light Cornflower Blue #98C1D9 ΔE 0.016
- Light Steel Blue #B0C4DE ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.038
- French Gray #ADB5BD ΔE 0.043
- Sky Blue #87CEEB ΔE 0.047
- Pastel Blue #A2BFFE ΔE 0.051
Use #A4BFDB 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.