#A1BFEB
Closest named color: Pastel Blue (#A2BFFE). oklch(79.8% 0.071 257.9), rgb(161, 191, 235).
Aa
Black text reads best on this color (11.16:1).
About this color
#A1BFEB is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.071 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.028 away. Black text reads best on it, at 11.16:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.16:1 |
| White text | 1.88:1 |
Values
| HEX | #A1BFEB |
| RGB | rgb(161, 191, 235) |
| HSL | hsl(216, 65%, 78%) |
| OKLCH | oklch(79.8% 0.071 257.9) |
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 #A1BFEB | 1.88:1 | Fails | Lc -39.9 | Non-text elements, placeholder text |
| Black text on #A1BFEB | 11.16:1 | AAA | Lc 68.3 | Content text, not long reading |
| #A1BFEB text on white | 1.88:1 | Fails | Lc 35.6 | Non-text elements, placeholder text |
| #A1BFEB text on black | 11.16:1 | AAA | Lc -66.9 | 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
#E2EBF8
oklch(93.7% 0.02 257.5)
-
Step 200
200
#C9DBF4
oklch(88.6% 0.04 256.6)
-
Step 300
300 (this color)
#A1BFEB
oklch(79.8% 0.071 257.9)
-
Step 400
400
#73A2E7
oklch(70.7% 0.114 257.9)
-
Step 500
500
#4E89DF
oklch(63.1% 0.144 257.9)
-
Step 600
600
#3071CD
oklch(55.6% 0.157 257.8)
-
Step 700
700
#235EB2
oklch(49.1% 0.147 258)
-
Step 800
800
#1F4D90
oklch(42.7% 0.122 258.2)
-
Step 900
900
#1F4173
oklch(37.8% 0.095 258.1)
-
Step 950
950
#132643
oklch(26.9% 0.06 258.6)
#A1BFEB 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) | #B0C1ED | 0.020 |
| Deuteranopia (no green cones) | #A8BAEA | 0.015 |
| Tritanopia (no blue cones) | #8BC8CE | 0.061 |
| Achromatopsia (no color) | #BDBDBD | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1BFEB
#A1BFEB
oklch(79.8% 0.071 257.9)
- #D7B889
#D7B889
oklch(79.8% 0.072 77.8)
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 #A1BFEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Cloudy Blue #ACC2D9 ΔE 0.032
- Light Steel Blue #B0C4DE ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.033
- Sky #82CAFC ΔE 0.042
- Lightblue #7BC8F6 ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.044
Use #A1BFEB 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.