#A4D8EE
Closest named color: Light Blue (#ADD8E6). oklch(85.3% 0.062 225.8), rgb(164, 216, 238).
Aa
Black text reads best on this color (13.63:1).
About this color
#A4D8EE is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.062 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.014 away. Black text reads best on it, at 13.63:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.63:1 |
| White text | 1.54:1 |
Values
| HEX | #A4D8EE |
| RGB | rgb(164, 216, 238) |
| HSL | hsl(198, 69%, 79%) |
| OKLCH | oklch(85.3% 0.062 225.8) |
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 #A4D8EE | 1.54:1 | Fails | Lc -28.2 | Dividers and decoration only |
| Black text on #A4D8EE | 13.63:1 | AAA | Lc 78.9 | Fine for body text |
| #A4D8EE text on white | 1.54:1 | Fails | Lc 24.9 | Dividers and decoration only |
| #A4D8EE text on black | 13.63:1 | AAA | Lc -78.2 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#DBEDF6
oklch(93.5% 0.023 229.1)
-
Step 200
200 (this color)
#A4D8EE
oklch(85.3% 0.062 225.8)
-
Step 300
300
#87CCE8
oklch(80.9% 0.08 225.5)
-
Step 400
400
#25B0DD
oklch(70.7% 0.127 226)
-
Step 500
500
#0097C1
oklch(63% 0.121 226.4)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005771
oklch(42.6% 0.082 226.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#A4D8EE 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) | #CCD5EF | 0.049 |
| Deuteranopia (no green cones) | #C1CCEE | 0.045 |
| Tritanopia (no blue cones) | #8CDFDF | 0.041 |
| Achromatopsia (no color) | #D0D0D0 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4D8EE
#A4D8EE
oklch(85.3% 0.062 225.8)
- #F2C3AE
#F2C3AE
oklch(85.3% 0.061 45.3)
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 #A4D8EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.014
- Celeste #A8DADC ΔE 0.028
- Powder Blue #B0E0E6 ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.041
- Sky Blue #87CEEB ΔE 0.044
- Light Sky Blue #87CEFA ΔE 0.049
- Light Steel Blue #B0C4DE ΔE 0.051
Use #A4D8EE 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.