#5BC6DD
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(77.3% 0.103 214), rgb(91, 198, 221).
Aa
Black text reads best on this color (10.56:1).
About this color
#5BC6DD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 77%, its chroma 0.103 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.027 away. Black text reads best on it, at 10.56:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 10.56:1 |
| White text | 1.98:1 |
Values
| HEX | #5BC6DD |
| RGB | rgb(91, 198, 221) |
| HSL | hsl(191, 66%, 61%) |
| OKLCH | oklch(77.3% 0.103 214) |
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 #5BC6DD | 1.98:1 | Fails | Lc -42.6 | Non-text elements, placeholder text |
| Black text on #5BC6DD | 10.56:1 | AAA | Lc 65.7 | Content text, not long reading |
| #5BC6DD text on white | 1.98:1 | Fails | Lc 38.2 | Non-text elements, placeholder text |
| #5BC6DD text on black | 10.56:1 | AAA | Lc -64.2 | 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
#ECF8FB
oklch(97.1% 0.013 214.4)
-
Step 100
100
#D4F0F6
oklch(93.7% 0.03 212)
-
Step 200
200
#AEE4F0
oklch(88.6% 0.058 212.8)
-
Step 300
300 (this color)
#5BC6DD
oklch(77.3% 0.103 214)
-
Step 400
400
#00B4D0
oklch(70.8% 0.124 214)
-
Step 500
500
#009AB2
oklch(63.1% 0.111 213.9)
-
Step 600
600
#008196
oklch(55.5% 0.098 214.4)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#5BC6DD 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) | #B5C0DE | 0.093 |
| Deuteranopia (no green cones) | #A2B2DD | 0.085 |
| Tritanopia (no blue cones) | #00CFCD | 0.051 |
| Achromatopsia (no color) | #B8B8B8 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC6DD
#5BC6DD
oklch(77.3% 0.103 214)
- #EF9D89
#EF9D89
oklch(77.3% 0.103 34.4)
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 #5BC6DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.027
- Dark Turquoise #00CED1 ΔE 0.045
- Medium Turquoise #48D1CC ΔE 0.047
- Lightblue #7BC8F6 ΔE 0.048
- Bright Sky Blue #02CCFE ΔE 0.051
- Sky Blue #87CEEB ΔE 0.051
- Aqua Blue #02D8E9 ΔE 0.051
- Light Cornflower Blue #98C1D9 ΔE 0.057
Use #5BC6DD 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.