#5DBDE5
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.6% 0.107 228), rgb(93, 189, 229).
Aa
Black text reads best on this color (9.87:1).
About this color
#5DBDE5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.107 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.032 away. Black text reads best on it, at 9.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.87:1 |
| White text | 2.12:1 |
Values
| HEX | #5DBDE5 |
| RGB | rgb(93, 189, 229) |
| HSL | hsl(198, 72%, 63%) |
| OKLCH | oklch(75.6% 0.107 228) |
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 #5DBDE5 | 2.12:1 | Fails | Lc -46.1 | Large or bold text, headings |
| Black text on #5DBDE5 | 9.87:1 | AAA | Lc 62.5 | Content text, not long reading |
| #5DBDE5 text on white | 2.12:1 | Fails | Lc 41.5 | Non-text elements, placeholder text |
| #5DBDE5 text on black | 9.87:1 | AAA | Lc -60.8 | 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 400.
-
Step 50
50
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DDEDF4
oklch(93.6% 0.019 225.7)
-
Step 200
200
#C1DFED
oklch(88.6% 0.037 227.6)
-
Step 300
300
#93CAE3
oklch(81% 0.067 227.8)
-
Step 400
400 (this color)
#5DBDE5
oklch(75.6% 0.107 228)
-
Step 500
500
#0097C4
oklch(63.2% 0.123 228.1)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#5DBDE5 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) | #A8BAE7 | 0.078 |
| Deuteranopia (no green cones) | #95ACE5 | 0.068 |
| Tritanopia (no blue cones) | #00C8CA | 0.068 |
| Achromatopsia (no color) | #B2B2B2 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DBDE5
#5DBDE5
oklch(75.6% 0.107 228)
- #E79B73
#E79B73
oklch(75.6% 0.106 48.4)
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 #5DBDE5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.032
- Lightblue #7BC8F6 ΔE 0.047
- Deep Sky Blue #00BFFF ΔE 0.047
- Bright Sky Blue #02CCFE ΔE 0.051
- Sky #82CAFC ΔE 0.059
- Carolina Blue #8AB8FE ΔE 0.062
- Light Cornflower Blue #98C1D9 ΔE 0.062
- Sky Blue #87CEEB ΔE 0.064
Use #5DBDE5 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.