#73BDF0
Closest named color: Lightblue (#7BC8F6). oklch(77% 0.104 240.1), rgb(115, 189, 240).
Aa
Black text reads best on this color (10.26:1).
About this color
#73BDF0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.104 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.031 away. Black text reads best on it, at 10.26:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.26:1 |
| White text | 2.04:1 |
Values
| HEX | #73BDF0 |
| RGB | rgb(115, 189, 240) |
| HSL | hsl(204, 81%, 70%) |
| OKLCH | oklch(77% 0.104 240.1) |
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 #73BDF0 | 2.04:1 | Fails | Lc -44.2 | Non-text elements, placeholder text |
| Black text on #73BDF0 | 10.26:1 | AAA | Lc 64.2 | Content text, not long reading |
| #73BDF0 text on white | 2.04:1 | Fails | Lc 39.7 | Non-text elements, placeholder text |
| #73BDF0 text on black | 10.26:1 | AAA | Lc -62.6 | 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 300.
-
Step 50
50
#EDF7FE
oklch(97.1% 0.014 238)
-
Step 100
100
#D9EDFC
oklch(93.6% 0.029 240.2)
-
Step 200
200
#B7DFFC
oklch(88.5% 0.058 239.8)
-
Step 300
300 (this color)
#73BDF0
oklch(77% 0.104 240.1)
-
Step 400
400
#00ABFA
oklch(70.7% 0.162 240)
-
Step 500
500
#0093D7
oklch(63.2% 0.144 239.7)
-
Step 600
600
#007BB6
oklch(55.6% 0.128 240.2)
-
Step 700
700
#00679A
oklch(49.1% 0.113 240.5)
-
Step 800
800
#00547F
oklch(42.6% 0.099 240.7)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#002A41
oklch(27.1% 0.061 239)
#73BDF0 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) | #A6BDF2 | 0.057 |
| Deuteranopia (no green cones) | #95B0EF | 0.047 |
| Tritanopia (no blue cones) | #27CACE | 0.085 |
| Achromatopsia (no color) | #B5B5B5 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73BDF0
#73BDF0
oklch(77% 0.104 240.1)
- #E5A46E
#E5A46E
oklch(76.9% 0.104 60.1)
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 #73BDF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.031
- Carolina Blue #8AB8FE ΔE 0.036
- Vivid Sky Blue #4CC9F0 ΔE 0.041
- Sky #82CAFC ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Deep Sky Blue #00BFFF ΔE 0.055
- Sky Blue #87CEEB ΔE 0.055
Use #73BDF0 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.