#A3D0DC
Closest named color: Light Blue (#ADD8E6). oklch(83% 0.05 215.8), rgb(163, 208, 220).
Aa
Black text reads best on this color (12.61:1).
About this color
#A3D0DC is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.050 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.027 away. Black text reads best on it, at 12.61:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 12.61:1 |
| White text | 1.66:1 |
Values
| HEX | #A3D0DC |
| RGB | rgb(163, 208, 220) |
| HSL | hsl(193, 45%, 75%) |
| OKLCH | oklch(83% 0.05 215.8) |
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 #A3D0DC | 1.66:1 | Fails | Lc -32.9 | Non-text elements, placeholder text |
| Black text on #A3D0DC | 12.61:1 | AAA | Lc 74.6 | Content text, not long reading |
| #A3D0DC text on white | 1.66:1 | Fails | Lc 29.2 | Dividers and decoration only |
| #A3D0DC text on black | 12.61:1 | AAA | Lc -73.6 | Content text, not long reading |
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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C6DEE5
oklch(88.5% 0.027 217.2)
-
Step 300
300 (this color)
#A3D0DC
oklch(83% 0.05 215.8)
-
Step 400
400
#62ADC0
oklch(70.6% 0.079 216)
-
Step 500
500
#2798B1
oklch(63% 0.102 216.6)
-
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
#014A58
oklch(37.7% 0.067 216)
-
Step 950
950
#072B33
oklch(26.8% 0.042 215.9)
#A3D0DC 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) | #C7CDDD | 0.045 |
| Deuteranopia (no green cones) | #BEC5DC | 0.042 |
| Tritanopia (no blue cones) | #91D5D4 | 0.028 |
| Achromatopsia (no color) | #C8C8C8 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D0DC
#A3D0DC
oklch(83% 0.05 215.8)
- #E5BCB1
#E5BCB1
oklch(82.8% 0.05 35.5)
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 #A3D0DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.027
- Celeste #A8DADC ΔE 0.029
- Light Blue Grey #B7C9E2 ΔE 0.033
- Light Steel Blue #B0C4DE ΔE 0.036
- Sky Blue #87CEEB ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.046
Use #A3D0DC 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.