#ADD3E2
Closest named color: Light Blue (#ADD8E6). oklch(84.4% 0.045 223.8), rgb(173, 211, 226).
Aa
Black text reads best on this color (13.19:1).
About this color
#ADD3E2 is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.045 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.013 away. Black text reads best on it, at 13.19:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.19:1 |
| White text | 1.59:1 |
Values
| HEX | #ADD3E2 |
| RGB | rgb(173, 211, 226) |
| HSL | hsl(197, 48%, 78%) |
| OKLCH | oklch(84.4% 0.045 223.8) |
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 #ADD3E2 | 1.59:1 | Fails | Lc -30.2 | Non-text elements, placeholder text |
| Black text on #ADD3E2 | 13.19:1 | AAA | Lc 77.0 | Fine for body text |
| #ADD3E2 text on white | 1.59:1 | Fails | Lc 26.8 | Dividers and decoration only |
| #ADD3E2 text on black | 13.19:1 | AAA | Lc -76.2 | 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 300.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300 (this color)
#ADD3E2
oklch(84.4% 0.045 223.8)
-
Step 400
400
#6DABC2
oklch(70.8% 0.072 223.6)
-
Step 500
500
#4095B3
oklch(63% 0.093 224.5)
-
Step 600
600
#117F9F
oklch(55.6% 0.101 224.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#08586E
oklch(42.8% 0.077 223.2)
-
Step 900
900
#144859
oklch(37.6% 0.06 223.9)
-
Step 950
950
#0E2A34
oklch(26.9% 0.038 224.5)
#ADD3E2 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) | #CAD1E3 | 0.036 |
| Deuteranopia (no green cones) | #C2CAE2 | 0.034 |
| Tritanopia (no blue cones) | #9DD8D8 | 0.029 |
| Achromatopsia (no color) | #CDCDCD | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADD3E2
#ADD3E2
oklch(84.4% 0.045 223.8)
- #E7C3B5
#E7C3B5
oklch(84.4% 0.046 42.4)
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 #ADD3E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.013
- Celeste #A8DADC ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.028
- Powder Blue #B0E0E6 ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.039
- Cadet Gray #CED4DA ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.046
Use #ADD3E2 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.