#AAD4EE
Closest named color: Light Blue (#ADD8E6). oklch(84.9% 0.057 235.5), rgb(170, 212, 238).
Aa
Black text reads best on this color (13.36:1).
About this color
#AAD4EE is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.057 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.018 away. Black text reads best on it, at 13.36:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.36:1 |
| White text | 1.57:1 |
Values
| HEX | #AAD4EE |
| RGB | rgb(170, 212, 238) |
| HSL | hsl(203, 67%, 80%) |
| OKLCH | oklch(84.9% 0.057 235.5) |
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 #AAD4EE | 1.57:1 | Fails | Lc -29.5 | Dividers and decoration only |
| Black text on #AAD4EE | 13.36:1 | AAA | Lc 77.7 | Fine for body text |
| #AAD4EE text on white | 1.57:1 | Fails | Lc 26.0 | Dividers and decoration only |
| #AAD4EE text on black | 13.36:1 | AAA | Lc -77.0 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DDEDF6
oklch(93.7% 0.021 232.1)
-
Step 200
200 (this color)
#AAD4EE
oklch(84.9% 0.057 235.5)
-
Step 300
300
#92C9EA
oklch(80.9% 0.074 235.2)
-
Step 400
400
#4BABE0
oklch(70.6% 0.118 236.1)
-
Step 500
500
#0094CF
oklch(63% 0.135 235.8)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#AAD4EE 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) | #C8D3EF | 0.037 |
| Deuteranopia (no green cones) | #BFCBEE | 0.033 |
| Tritanopia (no blue cones) | #95DBDC | 0.044 |
| Achromatopsia (no color) | #CECECE | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAD4EE
#AAD4EE
oklch(84.9% 0.057 235.5)
- #ECC4AA
#ECC4AA
oklch(84.8% 0.058 54.8)
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 #AAD4EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.018
- Light Blue Grey #B7C9E2 ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.031
- Celeste #A8DADC ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.041
- Sky Blue #87CEEB ΔE 0.043
- Light Sky Blue #87CEFA ΔE 0.047
Use #AAD4EE 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.