#A4BBF5
Closest named color: Pastel Blue (#A2BFFE). oklch(79.6% 0.087 267.7), rgb(164, 187, 245).
Aa
Black text reads best on this color (11.00:1).
About this color
#A4BBF5 is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.087 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.014 away. Black text reads best on it, at 11.00:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.00:1 |
| White text | 1.90:1 |
Values
| HEX | #A4BBF5 |
| RGB | rgb(164, 187, 245) |
| HSL | hsl(223, 80%, 80%) |
| OKLCH | oklch(79.6% 0.087 267.7) |
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 #A4BBF5 | 1.90:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #A4BBF5 | 11.00:1 | AAA | Lc 67.5 | Content text, not long reading |
| #A4BBF5 text on white | 1.90:1 | Fails | Lc 36.4 | Non-text elements, placeholder text |
| #A4BBF5 text on black | 11.00:1 | AAA | Lc -66.1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300 (this color)
#A4BBF5
oklch(79.6% 0.087 267.7)
-
Step 400
400
#7B9CF7
oklch(70.7% 0.139 267.7)
-
Step 500
500
#5B80F3
oklch(63.1% 0.177 267.7)
-
Step 600
600
#4366E2
oklch(55.6% 0.193 267.7)
-
Step 700
700
#3554C4
oklch(49.1% 0.178 267.5)
-
Step 800
800
#2C459F
oklch(42.6% 0.149 267.8)
-
Step 900
900
#273C7E
oklch(37.8% 0.115 267.4)
-
Step 950
950
#17234A
oklch(26.9% 0.074 268.3)
#A4BBF5 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) | #A8BFF8 | 0.012 |
| Deuteranopia (no green cones) | #A1B8F4 | 0.009 |
| Tritanopia (no blue cones) | #8DC7CF | 0.078 |
| Achromatopsia (no color) | #BCBCBC | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4BBF5
#A4BBF5
oklch(79.6% 0.087 267.7)
- #D4B97B
#D4B97B
oklch(79.5% 0.086 86.9)
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 #A4BBF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.014
- Carolina Blue #8AB8FE ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.049
- Sky #82CAFC ΔE 0.049
- Light Periwinkle #C1C6FC ΔE 0.050
- Cloudy Blue #ACC2D9 ΔE 0.051
- Light Grey Blue #9DBCD4 ΔE 0.051
- Baby Blue #A2CFFE ΔE 0.051
Use #A4BBF5 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.