#A4B8EC
Closest named color: Pastel Blue (#A2BFFE). oklch(78.6% 0.078 268.2), rgb(164, 184, 236).
Aa
Black text reads best on this color (10.64:1).
About this color
#A4B8EC is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.078 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.027 away. Black text reads best on it, at 10.64:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.64:1 |
| White text | 1.97:1 |
Values
| HEX | #A4B8EC |
| RGB | rgb(164, 184, 236) |
| HSL | hsl(223, 65%, 78%) |
| OKLCH | oklch(78.6% 0.078 268.2) |
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 #A4B8EC | 1.97:1 | Fails | Lc -42.4 | Non-text elements, placeholder text |
| Black text on #A4B8EC | 10.64:1 | AAA | Lc 65.9 | Content text, not long reading |
| #A4B8EC text on white | 1.97:1 | Fails | Lc 38.0 | Non-text elements, placeholder text |
| #A4B8EC text on black | 10.64:1 | AAA | Lc -64.4 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F7
oklch(88.6% 0.043 268.2)
-
Step 300
300 (this color)
#A4B8EC
oklch(78.6% 0.078 268.2)
-
Step 400
400
#809DEE
oklch(70.8% 0.123 268.2)
-
Step 500
500
#6182E9
oklch(63.1% 0.159 268.2)
-
Step 600
600
#4969D7
oklch(55.6% 0.173 268.2)
-
Step 700
700
#3B57BA
oklch(49.2% 0.159 268.1)
-
Step 800
800
#314797
oklch(42.7% 0.134 268.6)
-
Step 900
900
#2A3D78
oklch(37.7% 0.103 267.8)
-
Step 950
950
#192446
oklch(27% 0.065 268.3)
#A4B8EC 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) | #A8BCEE | 0.012 |
| Deuteranopia (no green cones) | #A1B6EB | 0.007 |
| Tritanopia (no blue cones) | #90C2CA | 0.069 |
| Achromatopsia (no color) | #B9B9B9 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4B8EC
#A4B8EC
oklch(78.6% 0.078 268.2)
- #CEB77F
#CEB77F
oklch(78.6% 0.078 88.2)
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 #A4B8EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.027
- Carolina Blue #8AB8FE ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.046
- Sky #82CAFC ΔE 0.055
- Lightblue #7BC8F6 ΔE 0.056
Use #A4B8EC 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.