#73B9DA
Closest named color: Light Cornflower Blue (#98C1D9). oklch(75.2% 0.085 229.7), rgb(115, 185, 218).
Aa
Black text reads best on this color (9.68:1).
About this color
#73B9DA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.085 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.048 away. Black text reads best on it, at 9.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 9.68:1 |
| White text | 2.16:1 |
Values
| HEX | #73B9DA |
| RGB | rgb(115, 185, 218) |
| HSL | hsl(199, 58%, 65%) |
| OKLCH | oklch(75.2% 0.085 229.7) |
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 #73B9DA | 2.16:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #73B9DA | 9.68:1 | AAA | Lc 61.4 | Content text, not long reading |
| #73B9DA text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #73B9DA text on black | 9.68:1 | AAA | Lc -59.7 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DDE9
oklch(88.4% 0.03 230.3)
-
Step 300
300
#9EC8DD
oklch(81% 0.053 229.8)
-
Step 400
400 (this color)
#73B9DA
oklch(75.2% 0.085 229.7)
-
Step 500
500
#3195BE
oklch(63.1% 0.108 229.8)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#084860
oklch(37.7% 0.071 230.1)
-
Step 950
950
#0A2A38
oklch(26.9% 0.045 230.7)
#73B9DA 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) | #A8B7DC | 0.061 |
| Deuteranopia (no green cones) | #99ABDA | 0.054 |
| Tritanopia (no blue cones) | #41C2C4 | 0.061 |
| Achromatopsia (no color) | #B0B0B0 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B9DA
#73B9DA
oklch(75.2% 0.085 229.7)
- #DB9F7E
#DB9F7E
oklch(75.2% 0.085 49.8)
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 #73B9DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.049
- Vivid Sky Blue #4CC9F0 ΔE 0.049
- Lightblue #7BC8F6 ΔE 0.052
- Carolina Blue #8AB8FE ΔE 0.061
- Sky #82CAFC ΔE 0.063
- Sky Blue #87CEEB ΔE 0.063
- Cool Steel #97A7B3 ΔE 0.068
Use #73B9DA 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.