#A3DFEB
Closest named color: Powder Blue (#B0E0E6). oklch(86.7% 0.063 211.3), rgb(163, 223, 235).
Aa
Black text reads best on this color (14.31:1).
About this color
#A3DFEB is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.063 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.016 away. Black text reads best on it, at 14.31:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.31:1 |
| White text | 1.46:1 |
Values
| HEX | #A3DFEB |
| RGB | rgb(163, 223, 235) |
| HSL | hsl(190, 64%, 78%) |
| OKLCH | oklch(86.7% 0.063 211.3) |
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 #A3DFEB | 1.46:1 | Fails | Lc -25.1 | Dividers and decoration only |
| Black text on #A3DFEB | 14.31:1 | AAA | Lc 81.6 | Fine for body text |
| #A3DFEB text on white | 1.46:1 | Fails | Lc 22.1 | Dividers and decoration only |
| #A3DFEB text on black | 14.31:1 | AAA | Lc -81.2 | 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
#EEF8FA
oklch(97.2% 0.011 211)
-
Step 100
100
#D9EEF3
oklch(93.5% 0.023 213.6)
-
Step 200
200 (this color)
#A3DFEB
oklch(86.7% 0.063 211.3)
-
Step 300
300
#7FCFDF
oklch(80.9% 0.082 211.8)
-
Step 400
400
#00B4CC
oklch(70.6% 0.123 211.4)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#A3DFEB 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) | #D5DAEC | 0.060 |
| Deuteranopia (no green cones) | #C8D1EB | 0.055 |
| Tritanopia (no blue cones) | #8AE5E3 | 0.033 |
| Achromatopsia (no color) | #D5D5D5 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DFEB
#A3DFEB
oklch(86.7% 0.063 211.3)
- #FAC5BA
#FAC5BA
oklch(86.7% 0.063 31.8)
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 #A3DFEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.016
- Light Blue #ADD8E6 ΔE 0.019
- Celeste #A8DADC ΔE 0.021
- Robin's Egg Blue #98EFF9 ΔE 0.041
- Pale Turquoise #AFEEEE ΔE 0.043
- Robin Egg Blue #8AF1FE ΔE 0.049
- Robin's Egg #6DEDFD ΔE 0.054
- Cadet Gray #CED4DA ΔE 0.055
Use #A3DFEB 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.