#A4C8EF
Closest named color: Baby Blue (#A2CFFE). oklch(82% 0.067 250.7), rgb(164, 200, 239).
Aa
Black text reads best on this color (12.08:1).
About this color
#A4C8EF is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.067 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.024 away. Black text reads best on it, at 12.08:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.08:1 |
| White text | 1.73:1 |
Values
| HEX | #A4C8EF |
| RGB | rgb(164, 200, 239) |
| HSL | hsl(211, 70%, 79%) |
| OKLCH | oklch(82% 0.067 250.7) |
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 #A4C8EF | 1.73:1 | Fails | Lc -35.4 | Non-text elements, placeholder text |
| Black text on #A4C8EF | 12.08:1 | AAA | Lc 72.3 | Content text, not long reading |
| #A4C8EF text on white | 1.73:1 | Fails | Lc 31.5 | Non-text elements, placeholder text |
| #A4C8EF text on black | 12.08:1 | AAA | Lc -71.2 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C7DCF2
oklch(88.6% 0.038 249.5)
-
Step 300
300 (this color)
#A4C8EF
oklch(82% 0.067 250.7)
-
Step 400
400
#6BA5E2
oklch(70.7% 0.109 250.7)
-
Step 500
500
#408DD9
oklch(63.1% 0.138 250.7)
-
Step 600
600
#1876C7
oklch(55.7% 0.15 250.6)
-
Step 700
700
#0562AC
oklch(49% 0.14 250.9)
-
Step 800
800
#0D518B
oklch(42.8% 0.115 250.4)
-
Step 900
900
#15436F
oklch(37.6% 0.09 250.8)
-
Step 950
950
#0E2841
oklch(27.1% 0.057 249.9)
#A4C8EF 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) | #B9C9F1 | 0.027 |
| Deuteranopia (no green cones) | #B0C1EE | 0.022 |
| Tritanopia (no blue cones) | #8DD1D5 | 0.058 |
| Achromatopsia (no color) | #C4C4C4 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4C8EF
#A4C8EF
oklch(82% 0.067 250.7)
- #E1BD95
#E1BD95
oklch(82% 0.067 69.6)
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 #A4C8EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.024
- Light Steel Blue #B0C4DE ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.031
- Light Sky Blue #87CEFA ΔE 0.033
- Sky Blue #87CEEB ΔE 0.036
- Pastel Blue #A2BFFE ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.037
Use #A4C8EF 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.