#73BBDC
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.7% 0.086 229), rgb(115, 187, 220).
Aa
Black text reads best on this color (9.87:1).
About this color
#73BBDC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.086 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.045 away. Black text reads best on it, at 9.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.87:1 |
| White text | 2.12:1 |
Values
| HEX | #73BBDC |
| RGB | rgb(115, 187, 220) |
| HSL | hsl(199, 60%, 66%) |
| OKLCH | oklch(75.7% 0.086 229) |
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 #73BBDC | 2.12:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #73BBDC | 9.87:1 | AAA | Lc 62.3 | Content text, not long reading |
| #73BBDC text on white | 2.12:1 | Fails | Lc 41.6 | Non-text elements, placeholder text |
| #73BBDC text on black | 9.87:1 | 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
#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
#9DC8DD
oklch(80.9% 0.054 229.3)
-
Step 400
400 (this color)
#73BBDC
oklch(75.7% 0.086 229)
-
Step 500
500
#2D95BE
oklch(63% 0.11 229.2)
-
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
#054860
oklch(37.6% 0.072 229.5)
-
Step 950
950
#082A38
oklch(26.8% 0.046 229.7)
#73BBDC 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) | #AAB8DE | 0.063 |
| Deuteranopia (no green cones) | #9BADDC | 0.055 |
| Tritanopia (no blue cones) | #3FC4C6 | 0.061 |
| Achromatopsia (no color) | #B2B2B2 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73BBDC
#73BBDC
oklch(75.7% 0.086 229)
- #DEA07F
#DEA07F
oklch(75.7% 0.087 49)
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 #73BBDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Lightblue #7BC8F6 ΔE 0.047
- Light Grey Blue #9DBCD4 ΔE 0.047
- Sky #82CAFC ΔE 0.058
- Sky Blue #87CEEB ΔE 0.058
- Carolina Blue #8AB8FE ΔE 0.060
- Light Sky Blue #87CEFA ΔE 0.065
Use #73BBDC 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.