#A4BCEB
Closest named color: Pastel Blue (#A2BFFE). oklch(79.4% 0.072 263.7), rgb(164, 188, 235).
Aa
Black text reads best on this color (10.97:1).
About this color
#A4BCEB is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.072 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.026 away. Black text reads best on it, at 10.97:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.97:1 |
| White text | 1.91:1 |
Values
| HEX | #A4BCEB |
| RGB | rgb(164, 188, 235) |
| HSL | hsl(220, 64%, 78%) |
| OKLCH | oklch(79.4% 0.072 263.7) |
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 #A4BCEB | 1.91:1 | Fails | Lc -40.8 | Non-text elements, placeholder text |
| Black text on #A4BCEB | 10.97:1 | AAA | Lc 67.4 | Content text, not long reading |
| #A4BCEB text on white | 1.91:1 | Fails | Lc 36.5 | Non-text elements, placeholder text |
| #A4BCEB text on black | 10.97:1 | AAA | Lc -65.9 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCDAF4
oklch(88.6% 0.039 262.9)
-
Step 300
300 (this color)
#A4BCEB
oklch(79.4% 0.072 263.7)
-
Step 400
400
#7B9FE9
oklch(70.6% 0.116 263.9)
-
Step 500
500
#5A86E2
oklch(63.2% 0.147 263.5)
-
Step 600
600
#406DD0
oklch(55.5% 0.161 263.6)
-
Step 700
700
#335BB4
oklch(49.2% 0.149 263.7)
-
Step 800
800
#2A4B92
oklch(42.8% 0.123 263.4)
-
Step 900
900
#263F74
oklch(37.7% 0.096 263.5)
-
Step 950
950
#172544
oklch(27% 0.061 264.4)
#A4BCEB 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) | #ADBFED | 0.015 |
| Deuteranopia (no green cones) | #A6B8EA | 0.010 |
| Tritanopia (no blue cones) | #90C6CC | 0.065 |
| Achromatopsia (no color) | #BBBBBB | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4BCEB
#A4BCEB
oklch(79.4% 0.072 263.7)
- #D2B886
#D2B886
oklch(79.3% 0.072 83.4)
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 #A4BCEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.026
- Light Grey Blue #9DBCD4 ΔE 0.036
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Carolina Blue #8AB8FE ΔE 0.044
- Sky #82CAFC ΔE 0.048
- Light Blue Grey #B7C9E2 ΔE 0.049
Use #A4BCEB 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.