#A4DAEF
Closest named color: Light Blue (#ADD8E6). oklch(85.8% 0.063 223.9), rgb(164, 218, 239).
Aa
Black text reads best on this color (13.85:1).
About this color
#A4DAEF is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.063 and its hue 224°. 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 13.85:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.85:1 |
| White text | 1.51:1 |
Values
| HEX | #A4DAEF |
| RGB | rgb(164, 218, 239) |
| HSL | hsl(197, 70%, 79%) |
| OKLCH | oklch(85.8% 0.063 223.9) |
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 #A4DAEF | 1.51:1 | Fails | Lc -27.2 | Dividers and decoration only |
| Black text on #A4DAEF | 13.85:1 | AAA | Lc 79.8 | Fine for body text |
| #A4DAEF text on white | 1.51:1 | Fails | Lc 24.0 | Dividers and decoration only |
| #A4DAEF text on black | 13.85:1 | AAA | Lc -79.2 | 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
#DAEEF6
oklch(93.7% 0.024 223.7)
-
Step 200
200 (this color)
#A4DAEF
oklch(85.8% 0.063 223.9)
-
Step 300
300
#85CCE7
oklch(80.8% 0.081 224.1)
-
Step 400
400
#18B1DC
oklch(70.8% 0.129 224)
-
Step 500
500
#0098BE
oklch(63.1% 0.118 223.7)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#A4DAEF 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) | #CED7F0 | 0.051 |
| Deuteranopia (no green cones) | #C3CEEF | 0.046 |
| Tritanopia (no blue cones) | #8BE1E0 | 0.042 |
| Achromatopsia (no color) | #D2D2D2 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4DAEF
#A4DAEF
oklch(85.8% 0.063 223.9)
- #F5C4B0
#F5C4B0
oklch(85.8% 0.063 43.3)
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 #A4DAEF, 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 0.027
- Powder Blue #B0E0E6 ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.046
- Sky Blue #87CEEB ΔE 0.047
- Light Sky Blue #87CEFA ΔE 0.052
- Robin's Egg Blue #98EFF9 ΔE 0.053
Use #A4DAEF 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.