#05DAEB
Closest named color: Aqua Blue (#02D8E9). oklch(81.1% 0.138 204.8), rgb(5, 218, 235).
Aa
Black text reads best on this color (12.23:1).
About this color
#05DAEB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.138 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.006 away. Black text reads best on it, at 12.23:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 12.23:1 |
| White text | 1.71:1 |
Values
| HEX | #05DAEB |
| RGB | rgb(5, 218, 235) |
| HSL | hsl(184, 96%, 47%) |
| OKLCH | oklch(81.1% 0.138 204.8) |
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 #05DAEB | 1.71:1 | Fails | Lc -34.0 | Non-text elements, placeholder text |
| Black text on #05DAEB | 12.23:1 | AAA | Lc 73.6 | Content text, not long reading |
| #05DAEB text on white | 1.71:1 | Fails | Lc 30.2 | Non-text elements, placeholder text |
| #05DAEB text on black | 12.23:1 | AAA | Lc -72.6 | 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
#E8F9FB
oklch(97% 0.018 205.3)
-
Step 100
100
#CCF2F6
oklch(93.5% 0.04 204.3)
-
Step 200
200
#9BE8F1
oklch(88.4% 0.077 205.2)
-
Step 300
300 (this color)
#05DAEB
oklch(81.1% 0.138 204.8)
-
Step 400
400
#00B6C4
oklch(70.8% 0.121 204.6)
-
Step 500
500
#009CA8
oklch(63.2% 0.108 204.4)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#05DAEB 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) | #C7D0EC | 0.137 |
| Deuteranopia (no green cones) | #ACBDEC | 0.125 |
| Tritanopia (no blue cones) | #00E4DF | 0.037 |
| Achromatopsia (no color) | #C6C6C6 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05DAEB
#05DAEB
oklch(81.1% 0.138 204.8)
- #FFA69E
#FFA69E
oklch(81.1% 0.107 25.3)
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 #05DAEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.006
- Medium Turquoise #48D1CC ΔE 0.044
- Dark Turquoise #00CED1 ΔE 0.044
- Turquoise #40E0D0 ΔE 0.048
- Vivid Sky Blue #4CC9F0 ΔE 0.051
- Bright Sky Blue #02CCFE ΔE 0.054
- Sky Blue #87CEEB ΔE 0.068
- Robin's Egg #6DEDFD ΔE 0.073
Use #05DAEB 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.