#A4B3FF
Closest named color: Pastel Blue (#A2BFFE). oklch(78.4% 0.11 275), rgb(164, 179, 255).
Aa
Black text reads best on this color (10.47:1).
About this color
#A4B3FF is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.110 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.032 away. Black text reads best on it, at 10.47:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.47:1 |
| White text | 2.00:1 |
Values
| HEX | #A4B3FF |
| RGB | rgb(164, 179, 255) |
| HSL | hsl(230, 100%, 82%) |
| OKLCH | oklch(78.4% 0.11 275) |
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 #A4B3FF | 2.00:1 | Fails | Lc -43.3 | Non-text elements, placeholder text |
| Black text on #A4B3FF | 10.47:1 | AAA | Lc 65.1 | Content text, not long reading |
| #A4B3FF text on white | 2.00:1 | Fails | Lc 38.8 | Non-text elements, placeholder text |
| #A4B3FF text on black | 10.47:1 | AAA | Lc -63.5 | 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
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CED7FF
oklch(88.5% 0.056 275.2)
-
Step 300
300 (this color)
#A4B3FF
oklch(78.4% 0.11 275)
-
Step 400
400
#8696FF
oklch(70.7% 0.154 275.2)
-
Step 500
500
#6A77FF
oklch(63% 0.2 275)
-
Step 600
600
#5454FD
oklch(55.6% 0.243 275.1)
-
Step 700
700
#4542DD
oklch(49.1% 0.227 274.9)
-
Step 800
800
#3838B3
oklch(42.7% 0.189 274.9)
-
Step 900
900
#2F338D
oklch(37.7% 0.146 275)
-
Step 950
950
#1B1F53
oklch(27.1% 0.093 274.9)
#A4B3FF 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) | #9BBBFF | 0.023 |
| Deuteranopia (no green cones) | #94B4FD | 0.020 |
| Tritanopia (no blue cones) | #8AC2CE | 0.098 |
| Achromatopsia (no color) | #B7B7B7 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4B3FF
#A4B3FF
oklch(78.4% 0.11 275)
- #CFB862
#CFB862
oklch(78.4% 0.11 94.7)
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 #A4B3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.032
- Carolina Blue #8AB8FE ΔE 0.033
- Pale Violet #CEAEFA ΔE 0.058
- Light Periwinkle #C1C6FC ΔE 0.067
- Pastel Purple #CAA0FF ΔE 0.068
- Lilac #CEA2FD ΔE 0.068
- Sky #82CAFC ΔE 0.069
- Light Violet #D6B4FC ΔE 0.070
Use #A4B3FF 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.