#53BDEA
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.4% 0.116 229.2), rgb(83, 189, 234).
Aa
Black text reads best on this color (9.83:1).
About this color
#53BDEA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.116 and its hue 229°. 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 9.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.83:1 |
| White text | 2.13:1 |
Values
| HEX | #53BDEA |
| RGB | rgb(83, 189, 234) |
| HSL | hsl(198, 78%, 62%) |
| OKLCH | oklch(75.4% 0.116 229.2) |
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 #53BDEA | 2.13:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #53BDEA | 9.83:1 | AAA | Lc 62.3 | Content text, not long reading |
| #53BDEA text on white | 2.13:1 | Fails | Lc 41.6 | Non-text elements, placeholder text |
| #53BDEA text on black | 9.83:1 | AAA | Lc -60.6 | 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 400.
-
Step 50
50
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DCEDF5
oklch(93.6% 0.021 227.5)
-
Step 200
200
#BFDFEF
oklch(88.5% 0.04 229.4)
-
Step 300
300
#8FCAE6
oklch(80.8% 0.072 229.1)
-
Step 400
400 (this color)
#53BDEA
oklch(75.4% 0.116 229.2)
-
Step 500
500
#0096C5
oklch(63% 0.125 229.4)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#53BDEA 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) | #A6BAEC | 0.083 |
| Deuteranopia (no green cones) | #91ABE9 | 0.071 |
| Tritanopia (no blue cones) | #00CACC | 0.071 |
| Achromatopsia (no color) | #B1B1B1 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53BDEA
#53BDEA
oklch(75.4% 0.116 229.2)
- #EB986B
#EB986B
oklch(75.4% 0.117 48.8)
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 #53BDEA, 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
- Deep Sky Blue #00BFFF ΔE 0.038
- Bright Sky Blue #02CCFE ΔE 0.045
- Lightblue #7BC8F6 ΔE 0.050
- Sky #82CAFC ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.062
- Sky Blue #87CEEB ΔE 0.070
- Light Cornflower Blue #98C1D9 ΔE 0.070
Use #53BDEA 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.