#A1DDFA
Closest named color: Light Blue (#ADD8E6). oklch(86.7% 0.073 229.4), rgb(161, 221, 250).
Aa
Black text reads best on this color (14.23:1).
About this color
#A1DDFA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 87%, its chroma 0.073 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.028 away. Black text reads best on it, at 14.23:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.23:1 |
| White text | 1.47:1 |
Values
| HEX | #A1DDFA |
| RGB | rgb(161, 221, 250) |
| HSL | hsl(200, 90%, 81%) |
| OKLCH | oklch(86.7% 0.073 229.4) |
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 #A1DDFA | 1.47:1 | Fails | Lc -25.4 | Dividers and decoration only |
| Black text on #A1DDFA | 14.23:1 | AAA | Lc 81.3 | Fine for body text |
| #A1DDFA text on white | 1.47:1 | Fails | Lc 22.4 | Dividers and decoration only |
| #A1DDFA text on black | 14.23:1 | AAA | Lc -80.9 | 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
#EDF7FC
oklch(97% 0.013 228.9)
-
Step 100
100
#D8EEF9
oklch(93.6% 0.028 229.2)
-
Step 200
200 (this color)
#A1DDFA
oklch(86.7% 0.073 229.4)
-
Step 300
300
#7DCCF1
oklch(80.8% 0.094 229.6)
-
Step 400
400
#00B0E6
oklch(70.8% 0.14 229.2)
-
Step 500
500
#0096C6
oklch(63% 0.126 229.9)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#A1DDFA 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) | #CEDAFC | 0.053 |
| Deuteranopia (no green cones) | #C1D0FA | 0.048 |
| Tritanopia (no blue cones) | #81E5E6 | 0.052 |
| Achromatopsia (no color) | #D5D5D5 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1DDFA
#A1DDFA
oklch(86.7% 0.073 229.4)
- #FCC6A9
#FCC6A9
oklch(86.7% 0.073 49.6)
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 #A1DDFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.028
- Powder Blue #B0E0E6 ΔE 0.035
- Baby Blue #A2CFFE ΔE 0.040
- Celeste #A8DADC ΔE 0.040
- Robin's Egg Blue #98EFF9 ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.052
- Sky Blue #87CEEB ΔE 0.053
- Robin Egg Blue #8AF1FE ΔE 0.054
Use #A1DDFA 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.