#A3D4DF
Closest named color: Light Blue (#ADD8E6). oklch(83.9% 0.053 213), rgb(163, 212, 223).
Aa
Black text reads best on this color (13.04:1).
About this color
#A3D4DF is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.053 and its hue 213°. 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 13.04:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.04:1 |
| White text | 1.61:1 |
Values
| HEX | #A3D4DF |
| RGB | rgb(163, 212, 223) |
| HSL | hsl(191, 48%, 76%) |
| OKLCH | oklch(83.9% 0.053 213) |
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 #A3D4DF | 1.61:1 | Fails | Lc -30.9 | Non-text elements, placeholder text |
| Black text on #A3D4DF | 13.04:1 | AAA | Lc 76.4 | Fine for body text |
| #A3D4DF text on white | 1.61:1 | Fails | Lc 27.4 | Dividers and decoration only |
| #A3D4DF text on black | 13.04:1 | AAA | Lc -75.6 | 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 300.
-
Step 50
50
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDF0
oklch(93.7% 0.015 212)
-
Step 200
200
#C4DFE5
oklch(88.6% 0.03 212.6)
-
Step 300
300 (this color)
#A3D4DF
oklch(83.9% 0.053 213)
-
Step 400
400
#5BAFC0
oklch(70.8% 0.085 212.5)
-
Step 500
500
#0D9AB0
oklch(63.1% 0.108 212.7)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#032C33
oklch(27% 0.045 211.9)
#A3D4DF 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) | #CBD0E0 | 0.050 |
| Deuteranopia (no green cones) | #C1C8DF | 0.046 |
| Tritanopia (no blue cones) | #90D9D7 | 0.029 |
| Achromatopsia (no color) | #CCCCCC | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D4DF
#A3D4DF
oklch(83.9% 0.053 213)
- #EBBEB4
#EBBEB4
oklch(83.8% 0.054 32.7)
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 #A3D4DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.018
- Celeste #A8DADC ΔE 0.020
- Powder Blue #B0E0E6 ΔE 0.037
- Light Blue Grey #B7C9E2 ΔE 0.038
- Sky Blue #87CEEB ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.047
- Baby Blue #A2CFFE ΔE 0.050
Use #A3D4DF 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.