#52B5DF
Closest named color: Deep Sky Blue (#00BFFF). oklch(73.1% 0.11 228.9), rgb(82, 181, 223).
Aa
Black text reads best on this color (9.03:1).
About this color
#52B5DF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.110 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.050 away. Black text reads best on it, at 9.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.03:1 |
| White text | 2.32:1 |
Values
| HEX | #52B5DF |
| RGB | rgb(82, 181, 223) |
| HSL | hsl(198, 69%, 60%) |
| OKLCH | oklch(73.1% 0.11 228.9) |
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 #52B5DF | 2.32:1 | Fails | Lc -50.5 | Large or bold text, headings |
| Black text on #52B5DF | 9.03:1 | AAA | Lc 58.4 | Large or bold text, headings |
| #52B5DF text on white | 2.32:1 | Fails | Lc 45.6 | Large or bold text, headings |
| #52B5DF text on black | 9.03:1 | AAA | Lc -56.5 | Large or bold text, headings |
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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DDEDF5
oklch(93.7% 0.02 229)
-
Step 200
200
#C0DFEE
oklch(88.6% 0.039 228.6)
-
Step 300
300
#92CAE4
oklch(80.9% 0.068 228.4)
-
Step 400
400 (this color)
#52B5DF
oklch(73.1% 0.11 228.9)
-
Step 500
500
#0097C5
oklch(63.2% 0.124 228.7)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#52B5DF 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) | #9FB2E1 | 0.078 |
| Deuteranopia (no green cones) | #8CA4DE | 0.068 |
| Tritanopia (no blue cones) | #00C1C3 | 0.068 |
| Achromatopsia (no color) | #AAAAAA | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #52B5DF
#52B5DF
oklch(73.1% 0.11 228.9)
- #E09268
#E09268
oklch(73% 0.11 48.7)
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 #52B5DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.050
- Vivid Sky Blue #4CC9F0 ΔE 0.054
- Turquoise Blue #06B1C4 ΔE 0.054
- Bright Sky Blue #02CCFE ΔE 0.067
- Lightblue #7BC8F6 ΔE 0.071
- Greyblue #77A1B5 ΔE 0.072
- Carolina Blue #8AB8FE ΔE 0.073
- Bluegrey #85A3B2 ΔE 0.078
Use #52B5DF 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.