#73D5EF
Closest named color: Sky Blue (#87CEEB). oklch(82.3% 0.099 217.2), rgb(115, 213, 239).
Aa
Black text reads best on this color (12.49:1).
About this color
#73D5EF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.099 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.023 away. Black text reads best on it, at 12.49:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.49:1 |
| White text | 1.68:1 |
Values
| HEX | #73D5EF |
| RGB | rgb(115, 213, 239) |
| HSL | hsl(193, 79%, 69%) |
| OKLCH | oklch(82.3% 0.099 217.2) |
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 #73D5EF | 1.68:1 | Fails | Lc -33.3 | Non-text elements, placeholder text |
| Black text on #73D5EF | 12.49:1 | AAA | Lc 74.2 | Content text, not long reading |
| #73D5EF text on white | 1.68:1 | Fails | Lc 29.6 | Dividers and decoration only |
| #73D5EF text on black | 12.49:1 | AAA | Lc -73.2 | 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
#D6EFF7
oklch(93.6% 0.028 219)
-
Step 200
200
#B1E3F1
oklch(88.6% 0.055 216.8)
-
Step 300
300 (this color)
#73D5EF
oklch(82.3% 0.099 217.2)
-
Step 400
400
#00B3D4
oklch(70.7% 0.127 217.3)
-
Step 500
500
#0099B6
oklch(63% 0.113 217.6)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#004A59
oklch(37.7% 0.067 217.2)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#73D5EF 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) | #C4D0F0 | 0.087 |
| Deuteranopia (no green cones) | #B1C2EF | 0.078 |
| Tritanopia (no blue cones) | #19DEDD | 0.060 |
| Achromatopsia (no color) | #C8C8C8 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73D5EF
#73D5EF
oklch(82.3% 0.099 217.2)
- #FEAF97
#FEAF97
oklch(82.4% 0.099 37.6)
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 #73D5EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.023
- Light Sky Blue #87CEFA ΔE 0.033
- Lightblue #7BC8F6 ΔE 0.040
- Sky #82CAFC ΔE 0.042
- Vivid Sky Blue #4CC9F0 ΔE 0.047
- Aqua Blue #02D8E9 ΔE 0.049
- Baby Blue #A2CFFE ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.059
Use #73D5EF 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.