#A4C8FB
Closest named color: Baby Blue (#A2CFFE). oklch(82.5% 0.082 257.1), rgb(164, 200, 251).
Aa
Black text reads best on this color (12.23:1).
About this color
#A4C8FB is a light, moderately saturated blue. In OKLCH its lightness is 82%, its chroma 0.082 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.018 away. Black text reads best on it, at 12.23:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.23:1 |
| White text | 1.71:1 |
Values
| HEX | #A4C8FB |
| RGB | rgb(164, 200, 251) |
| HSL | hsl(215, 92%, 81%) |
| OKLCH | oklch(82.5% 0.082 257.1) |
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 #A4C8FB | 1.71:1 | Fails | Lc -34.7 | Non-text elements, placeholder text |
| Black text on #A4C8FB | 12.23:1 | AAA | Lc 73.0 | Content text, not long reading |
| #A4C8FB text on white | 1.71:1 | Fails | Lc 30.9 | Non-text elements, placeholder text |
| #A4C8FB text on black | 12.23:1 | AAA | Lc -71.9 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C7DBF8
oklch(88.6% 0.046 257.6)
-
Step 300
300 (this color)
#A4C8FB
oklch(82.5% 0.082 257.1)
-
Step 400
400
#6AA2F1
oklch(70.7% 0.131 257.1)
-
Step 500
500
#3F88EC
oklch(63.1% 0.167 257.1)
-
Step 600
600
#196FDB
oklch(55.6% 0.183 257.2)
-
Step 700
700
#095CBE
oklch(49% 0.17 257.3)
-
Step 800
800
#0E4C9A
oklch(42.7% 0.141 257.2)
-
Step 900
900
#15407A
oklch(37.6% 0.109 257.2)
-
Step 950
950
#0E2647
oklch(27% 0.068 257.1)
#A4C8FB 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) | #B6CAFD | 0.024 |
| Deuteranopia (no green cones) | #ACC2FA | 0.017 |
| Tritanopia (no blue cones) | #89D3D9 | 0.072 |
| Achromatopsia (no color) | #C6C6C6 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4C8FB
#A4C8FB
oklch(82.5% 0.082 257.1)
- #E4BF89
#E4BF89
oklch(82.4% 0.082 76.6)
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 #A4C8FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.018
- Pastel Blue #A2BFFE ΔE 0.026
- Light Sky Blue #87CEFA ΔE 0.034
- Sky #82CAFC ΔE 0.036
- Light Periwinkle #C1C6FC ΔE 0.036
- Light Steel Blue #B0C4DE ΔE 0.041
- Light Blue Grey #B7C9E2 ΔE 0.042
- Lightblue #7BC8F6 ΔE 0.045
Use #A4C8FB 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.