#A4D4FA
Closest named color: Baby Blue (#A2CFFE). oklch(84.9% 0.073 242.6), rgb(164, 212, 250).
Aa
Black text reads best on this color (13.37:1).
About this color
#A4D4FA is a light, moderately saturated blue. In OKLCH its lightness is 85%, its chroma 0.073 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.016 away. Black text reads best on it, at 13.37:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.37:1 |
| White text | 1.56:1 |
Values
| HEX | #A4D4FA |
| RGB | rgb(164, 212, 250) |
| HSL | hsl(207, 90%, 81%) |
| OKLCH | oklch(84.9% 0.073 242.6) |
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 #A4D4FA | 1.56:1 | Fails | Lc -29.4 | Dividers and decoration only |
| Black text on #A4D4FA | 13.37:1 | AAA | Lc 77.8 | Fine for body text |
| #A4D4FA text on white | 1.56:1 | Fails | Lc 26.0 | Dividers and decoration only |
| #A4D4FA text on black | 13.37:1 | AAA | Lc -77.1 | Fine for body text |
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 200.
-
Step 50
50
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DBEDFB
oklch(93.7% 0.027 241.2)
-
Step 200
200 (this color)
#A4D4FA
oklch(84.9% 0.073 242.6)
-
Step 300
300
#8AC8F9
oklch(80.9% 0.094 243.1)
-
Step 400
400
#34A9F6
oklch(70.6% 0.151 242.9)
-
Step 500
500
#0091DC
oklch(63% 0.151 242.6)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669D
oklch(49% 0.118 242.7)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#A4D4FA 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) | #C4D4FC | 0.039 |
| Deuteranopia (no green cones) | #B9CAF9 | 0.034 |
| Tritanopia (no blue cones) | #88DDE0 | 0.059 |
| Achromatopsia (no color) | #CECECE | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D4FA
#A4D4FA
oklch(84.9% 0.073 242.6)
- #F1C49C
#F1C49C
oklch(85% 0.074 63.2)
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 #A4D4FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.016
- Light Blue #ADD8E6 ΔE 0.035
- Light Sky Blue #87CEFA ΔE 0.037
- Light Blue Grey #B7C9E2 ΔE 0.040
- Sky Blue #87CEEB ΔE 0.042
- Sky #82CAFC ΔE 0.048
- Light Steel Blue #B0C4DE ΔE 0.048
- Light Periwinkle #C1C6FC ΔE 0.049
Use #A4D4FA 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.