#A1B4FA
Closest named color: Carolina Blue (#8AB8FE). oklch(78.2% 0.102 272.2), rgb(161, 180, 250).
Aa
Black text reads best on this color (10.42:1).
About this color
#A1B4FA is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.102 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.028 away. Black text reads best on it, at 10.42:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 10.42:1 |
| White text | 2.01:1 |
Values
| HEX | #A1B4FA |
| RGB | rgb(161, 180, 250) |
| HSL | hsl(227, 90%, 81%) |
| OKLCH | oklch(78.2% 0.102 272.2) |
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 #A1B4FA | 2.01:1 | Fails | Lc -43.5 | Non-text elements, placeholder text |
| Black text on #A1B4FA | 10.42:1 | AAA | Lc 64.9 | Content text, not long reading |
| #A1B4FA text on white | 2.01:1 | Fails | Lc 39.0 | Non-text elements, placeholder text |
| #A1B4FA text on black | 10.42:1 | AAA | Lc -63.3 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CCD8FF
oklch(88.6% 0.055 271.8)
-
Step 300
300 (this color)
#A1B4FA
oklch(78.2% 0.102 272.2)
-
Step 400
400
#8098FF
oklch(70.7% 0.153 272.1)
-
Step 500
500
#637AFF
oklch(63.2% 0.198 272.1)
-
Step 600
600
#4C5BF5
oklch(55.6% 0.227 272.2)
-
Step 700
700
#3E49D6
oklch(49.1% 0.212 272.2)
-
Step 800
800
#333DAD
oklch(42.7% 0.176 272.4)
-
Step 900
900
#2B3688
oklch(37.6% 0.136 272.3)
-
Step 950
950
#192150
oklch(27.1% 0.086 272.1)
#A1B4FA 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) | #9DBBFD | 0.018 |
| Deuteranopia (no green cones) | #96B3F8 | 0.015 |
| Tritanopia (no blue cones) | #87C2CD | 0.091 |
| Achromatopsia (no color) | #B7B7B7 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1B4FA
#A1B4FA
oklch(78.2% 0.102 272.2)
- #CFB668
#CFB668
oklch(78.1% 0.102 92.1)
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 #A1B4FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.028
- Pastel Blue #A2BFFE ΔE 0.028
- Pale Violet #CEAEFA ΔE 0.062
- Sky #82CAFC ΔE 0.063
- Lightblue #7BC8F6 ΔE 0.065
- Light Grey Blue #9DBCD4 ΔE 0.066
- Light Periwinkle #C1C6FC ΔE 0.066
- Light Cornflower Blue #98C1D9 ΔE 0.068
Use #A1B4FA 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.