#A4BEFB
Closest named color: Pastel Blue (#A2BFFE). oklch(80.4% 0.091 266.5), rgb(164, 190, 251).
Aa
Black text reads best on this color (11.33:1).
About this color
#A4BEFB is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.091 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.005 away. Black text reads best on it, at 11.33:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.33:1 |
| White text | 1.85:1 |
Values
| HEX | #A4BEFB |
| RGB | rgb(164, 190, 251) |
| HSL | hsl(222, 92%, 81%) |
| OKLCH | oklch(80.4% 0.091 266.5) |
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 #A4BEFB | 1.85:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #A4BEFB | 11.33:1 | AAA | Lc 69.0 | Content text, not long reading |
| #A4BEFB text on white | 1.85:1 | Fails | Lc 34.8 | Non-text elements, placeholder text |
| #A4BEFB text on black | 11.33:1 | AAA | Lc -67.7 | 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
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FC
oklch(88.5% 0.051 267)
-
Step 300
300 (this color)
#A4BEFB
oklch(80.4% 0.091 266.5)
-
Step 400
400
#769CFC
oklch(70.7% 0.147 266.4)
-
Step 500
500
#5580F9
oklch(63.2% 0.187 266.4)
-
Step 600
600
#3C65E8
oklch(55.5% 0.204 266.5)
-
Step 700
700
#2F53CA
oklch(49.1% 0.189 266.4)
-
Step 800
800
#2745A3
oklch(42.7% 0.156 266.3)
-
Step 900
900
#243B81
oklch(37.7% 0.122 266.8)
-
Step 950
950
#15234C
oklch(27% 0.078 266.9)
#A4BEFB 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) | #AAC3FE | 0.016 |
| Deuteranopia (no green cones) | #A2BBFA | 0.008 |
| Tritanopia (no blue cones) | #8ACAD3 | 0.081 |
| Achromatopsia (no color) | #BEBEBE | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4BEFB
#A4BEFB
oklch(80.4% 0.091 266.5)
- #D9BC79
#D9BC79
oklch(80.5% 0.092 87)
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 #A4BEFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.005
- Carolina Blue #8AB8FE ΔE 0.037
- Baby Blue #A2CFFE ΔE 0.044
- Light Periwinkle #C1C6FC ΔE 0.045
- Sky #82CAFC ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.051
- Light Steel Blue #B0C4DE ΔE 0.051
- Lightblue #7BC8F6 ΔE 0.051
Use #A4BEFB 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.