#56D9ED
Closest named color: Aqua Blue (#02D8E9). oklch(82.1% 0.116 209.2), rgb(86, 217, 237).
Aa
Black text reads best on this color (12.54:1).
About this color
#56D9ED is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.116 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.028 away. Black text reads best on it, at 12.54:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 12.54:1 |
| White text | 1.67:1 |
Values
| HEX | #56D9ED |
| RGB | rgb(86, 217, 237) |
| HSL | hsl(188, 81%, 63%) |
| OKLCH | oklch(82.1% 0.116 209.2) |
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 #56D9ED | 1.67:1 | Fails | Lc -32.9 | Non-text elements, placeholder text |
| Black text on #56D9ED | 12.54:1 | AAA | Lc 74.6 | Content text, not long reading |
| #56D9ED text on white | 1.67:1 | Fails | Lc 29.2 | Dividers and decoration only |
| #56D9ED text on black | 12.54:1 | 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
#EAF9FB
oklch(97.2% 0.016 206.4)
-
Step 100
100
#D1F1F6
oklch(93.7% 0.034 208)
-
Step 200
200
#A7E6F0
oklch(88.6% 0.065 208.3)
-
Step 300
300 (this color)
#56D9ED
oklch(82.1% 0.116 209.2)
-
Step 400
400
#00B5C9
oklch(70.8% 0.122 208.7)
-
Step 500
500
#009BAD
oklch(63.1% 0.109 209.2)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#56D9ED 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) | #C7D1EE | 0.111 |
| Deuteranopia (no green cones) | #B1C1ED | 0.101 |
| Tritanopia (no blue cones) | #00E2DF | 0.044 |
| Achromatopsia (no color) | #C8C8C8 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56D9ED
#56D9ED
oklch(82.1% 0.116 209.2)
- #FFAC9F
#FFAC9F
oklch(82.2% 0.1 29.2)
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 #56D9ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.028
- Sky Blue #87CEEB ΔE 0.045
- Vivid Sky Blue #4CC9F0 ΔE 0.048
- Medium Turquoise #48D1CC ΔE 0.049
- Turquoise #40E0D0 ΔE 0.054
- Light Sky Blue #87CEFA ΔE 0.054
- Lightblue #7BC8F6 ΔE 0.057
- Bright Sky Blue #02CCFE ΔE 0.058
Use #56D9ED 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.