#5DD4E9
Closest named color: Aqua Blue (#02D8E9). oklch(81% 0.11 211), rgb(93, 212, 233).
Aa
Black text reads best on this color (12.05:1).
About this color
#5DD4E9 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.110 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.031 away. Black text reads best on it, at 12.05:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 12.05:1 |
| White text | 1.74:1 |
Values
| HEX | #5DD4E9 |
| RGB | rgb(93, 212, 233) |
| HSL | hsl(189, 76%, 64%) |
| OKLCH | oklch(81% 0.11 211) |
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 #5DD4E9 | 1.74:1 | Fails | Lc -35.3 | Non-text elements, placeholder text |
| Black text on #5DD4E9 | 12.05:1 | AAA | Lc 72.4 | Content text, not long reading |
| #5DD4E9 text on white | 1.74:1 | Fails | Lc 31.4 | Non-text elements, placeholder text |
| #5DD4E9 text on black | 12.05:1 | AAA | Lc -71.3 | 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
#EBF8FB
oklch(97% 0.014 213.1)
-
Step 100
100
#D3F0F6
oklch(93.6% 0.031 211.5)
-
Step 200
200
#ABE5F0
oklch(88.6% 0.061 210.5)
-
Step 300
300 (this color)
#5DD4E9
oklch(81% 0.11 211)
-
Step 400
400
#00B4CC
oklch(70.6% 0.123 211.4)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#5DD4E9 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) | #C3CDEA | 0.103 |
| Deuteranopia (no green cones) | #AEBEE9 | 0.093 |
| Tritanopia (no blue cones) | #00DDDA | 0.048 |
| Achromatopsia (no color) | #C4C4C4 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DD4E9
#5DD4E9
oklch(81% 0.11 211)
- #FFA696
#FFA696
oklch(80.9% 0.109 30.7)
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 #5DD4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.031
- Sky Blue #87CEEB ΔE 0.037
- Vivid Sky Blue #4CC9F0 ΔE 0.038
- Medium Turquoise #48D1CC ΔE 0.045
- Lightblue #7BC8F6 ΔE 0.048
- Light Sky Blue #87CEFA ΔE 0.049
- Bright Sky Blue #02CCFE ΔE 0.053
- Dark Turquoise #00CED1 ΔE 0.053
Use #5DD4E9 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.