#53B7DB
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(73.4% 0.106 224.8), rgb(83, 183, 219).
Aa
Black text reads best on this color (9.16:1).
About this color
#53B7DB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.106 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.051 away. Black text reads best on it, at 9.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.16:1 |
| White text | 2.29:1 |
Values
| HEX | #53B7DB |
| RGB | rgb(83, 183, 219) |
| HSL | hsl(196, 65%, 59%) |
| OKLCH | oklch(73.4% 0.106 224.8) |
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 #53B7DB | 2.29:1 | Fails | Lc -49.8 | Large or bold text, headings |
| Black text on #53B7DB | 9.16:1 | AAA | Lc 59.0 | Large or bold text, headings |
| #53B7DB text on white | 2.29:1 | Fails | Lc 44.9 | Non-text elements, placeholder text |
| #53B7DB text on black | 9.16:1 | AAA | Lc -57.2 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DDEDF4
oklch(93.6% 0.019 225.7)
-
Step 200
200
#C0DFEC
oklch(88.5% 0.037 225)
-
Step 300
300
#92CAE1
oklch(80.8% 0.066 225.4)
-
Step 400
400 (this color)
#53B7DB
oklch(73.4% 0.106 224.8)
-
Step 500
500
#0098BF
oklch(63.2% 0.119 224.4)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#53B7DB 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) | #A3B3DD | 0.082 |
| Deuteranopia (no green cones) | #90A5DB | 0.073 |
| Tritanopia (no blue cones) | #00C2C3 | 0.062 |
| Achromatopsia (no color) | #ABABAB | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53B7DB
#53B7DB
oklch(73.4% 0.106 224.8)
- #E19370
#E19370
oklch(73.4% 0.106 44.8)
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 #53B7DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.051
- Turquoise Blue #06B1C4 ΔE 0.052
- Deep Sky Blue #00BFFF ΔE 0.054
- Bright Sky Blue #02CCFE ΔE 0.065
- Lightblue #7BC8F6 ΔE 0.069
- Greyblue #77A1B5 ΔE 0.071
- Dark Turquoise #00CED1 ΔE 0.073
- Bluegrey #85A3B2 ΔE 0.076
Use #53B7DB 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.