#A3D4E1
Closest named color: Light Blue (#ADD8E6). oklch(84% 0.054 215.8), rgb(163, 212, 225).
Aa
Black text reads best on this color (13.06:1).
About this color
#A3D4E1 is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.054 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.017 away. Black text reads best on it, at 13.06:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.06:1 |
| White text | 1.60:1 |
Values
| HEX | #A3D4E1 |
| RGB | rgb(163, 212, 225) |
| HSL | hsl(193, 51%, 76%) |
| OKLCH | oklch(84% 0.054 215.8) |
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 #A3D4E1 | 1.60:1 | Fails | Lc -30.8 | Non-text elements, placeholder text |
| Black text on #A3D4E1 | 13.06:1 | AAA | Lc 76.5 | Fine for body text |
| #A3D4E1 text on white | 1.60:1 | Fails | Lc 27.3 | Dividers and decoration only |
| #A3D4E1 text on black | 13.06:1 | AAA | Lc -75.7 | 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
#C4DFE6
oklch(88.6% 0.03 215.1)
-
Step 300
300 (this color)
#A3D4E1
oklch(84% 0.054 215.8)
-
Step 400
400
#5BAEC3
oklch(70.7% 0.086 216.4)
-
Step 500
500
#0B99B4
oklch(63% 0.111 216.5)
-
Step 600
600
#008198
oklch(55.6% 0.099 216.1)
-
Step 700
700
#006D80
oklch(49.2% 0.087 215.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#032C35
oklch(27.1% 0.046 216.4)
#A3D4E1 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) | #CBD1E2 | 0.049 |
| Deuteranopia (no green cones) | #C0C9E1 | 0.044 |
| Tritanopia (no blue cones) | #8FD9D8 | 0.030 |
| Achromatopsia (no color) | #CCCCCC | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D4E1
#A3D4E1
oklch(84% 0.054 215.8)
- #EBBFB3
#EBBFB3
oklch(84% 0.053 35.7)
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 #A3D4E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.017
- Celeste #A8DADC ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.037
- Sky Blue #87CEEB ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.043
- Cloudy Blue #ACC2D9 ΔE 0.046
- Baby Blue #A2CFFE ΔE 0.048
Use #A3D4E1 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.