#A4DFEF
Closest named color: Powder Blue (#B0E0E6). oklch(86.9% 0.064 216.4), rgb(164, 223, 239).
Aa
Black text reads best on this color (14.37:1).
About this color
#A4DFEF is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.064 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.018 away. Black text reads best on it, at 14.37:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.37:1 |
| White text | 1.46:1 |
Values
| HEX | #A4DFEF |
| RGB | rgb(164, 223, 239) |
| HSL | hsl(193, 70%, 79%) |
| OKLCH | oklch(86.9% 0.064 216.4) |
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 #A4DFEF | 1.46:1 | Fails | Lc -24.8 | Dividers and decoration only |
| Black text on #A4DFEF | 14.37:1 | AAA | Lc 81.9 | Fine for body text |
| #A4DFEF text on white | 1.46:1 | Fails | Lc 21.8 | Dividers and decoration only |
| #A4DFEF text on black | 14.37:1 | AAA | Lc -81.5 | 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
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#D9EEF4
oklch(93.5% 0.024 216.7)
-
Step 200
200 (this color)
#A4DFEF
oklch(86.9% 0.064 216.4)
-
Step 300
300
#80CEE3
oklch(80.8% 0.082 216.8)
-
Step 400
400
#00B3D3
oklch(70.7% 0.126 216.7)
-
Step 500
500
#009AB5
oklch(63.2% 0.112 216)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006C80
oklch(49% 0.087 216.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#A4DFEF 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) | #D4DBF0 | 0.058 |
| Deuteranopia (no green cones) | #C8D2EF | 0.052 |
| Tritanopia (no blue cones) | #8AE5E4 | 0.037 |
| Achromatopsia (no color) | #D6D6D6 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4DFEF
#A4DFEF
oklch(86.9% 0.064 216.4)
- #FAC6B7
#FAC6B7
oklch(86.9% 0.063 36.7)
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 #A4DFEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.018
- Light Blue #ADD8E6 ΔE 0.020
- Celeste #A8DADC ΔE 0.025
- Robin's Egg Blue #98EFF9 ΔE 0.041
- Pale Turquoise #AFEEEE ΔE 0.044
- Robin Egg Blue #8AF1FE ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.054
- Robin's Egg #6DEDFD ΔE 0.054
Use #A4DFEF 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.