#73BBD1
Closest named color: Light Cornflower Blue (#98C1D9). oklch(75.3% 0.079 219.4), rgb(115, 187, 209).
Aa
Black text reads best on this color (9.75:1).
About this color
#73BBD1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.079 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.047 away. Black text reads best on it, at 9.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 9.75:1 |
| White text | 2.15:1 |
Values
| HEX | #73BBD1 |
| RGB | rgb(115, 187, 209) |
| HSL | hsl(194, 51%, 64%) |
| OKLCH | oklch(75.3% 0.079 219.4) |
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 #73BBD1 | 2.15:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #73BBD1 | 9.75:1 | AAA | Lc 61.8 | Content text, not long reading |
| #73BBD1 text on white | 2.15:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #73BBD1 text on black | 9.75:1 | AAA | Lc -60.1 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C6DEE6
oklch(88.5% 0.028 219.8)
-
Step 300
300
#9EC9D6
oklch(80.9% 0.049 218.2)
-
Step 400
400 (this color)
#73BBD1
oklch(75.3% 0.079 219.4)
-
Step 500
500
#2F97B3
oklch(63% 0.1 219.9)
-
Step 600
600
#00809B
oklch(55.5% 0.101 219.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#074959
oklch(37.6% 0.065 219.7)
-
Step 950
950
#092B34
oklch(27% 0.041 219)
#73BBD1 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) | #ADB7D2 | 0.067 |
| Deuteranopia (no green cones) | #9FACD1 | 0.061 |
| Tritanopia (no blue cones) | #47C3C2 | 0.050 |
| Achromatopsia (no color) | #B1B1B1 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73BBD1
#73BBD1
oklch(75.3% 0.079 219.4)
- #DB9E8A
#DB9E8A
oklch(75.3% 0.079 38.9)
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 #73BBD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.047
- Light Grey Blue #9DBCD4 ΔE 0.047
- Vivid Sky Blue #4CC9F0 ΔE 0.052
- Lightblue #7BC8F6 ΔE 0.058
- Sky Blue #87CEEB ΔE 0.063
- Cool Steel #97A7B3 ΔE 0.065
- Bluegrey #85A3B2 ΔE 0.068
- French Gray #ADB5BD ΔE 0.068
Use #73BBD1 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.