#73BDEF
Closest named color: Lightblue (#7BC8F6). oklch(76.9% 0.103 239.6), rgb(115, 189, 239).
Aa
Black text reads best on this color (10.25:1).
About this color
#73BDEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 77%, its chroma 0.103 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.032 away. Black text reads best on it, at 10.25:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.25:1 |
| White text | 2.04:1 |
Values
| HEX | #73BDEF |
| RGB | rgb(115, 189, 239) |
| HSL | hsl(204, 79%, 69%) |
| OKLCH | oklch(76.9% 0.103 239.6) |
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 #73BDEF | 2.04:1 | Fails | Lc -44.3 | Non-text elements, placeholder text |
| Black text on #73BDEF | 10.25:1 | AAA | Lc 64.2 | Content text, not long reading |
| #73BDEF text on white | 2.04:1 | Fails | Lc 39.7 | Non-text elements, placeholder text |
| #73BDEF text on black | 10.25:1 | 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
#EEF7FE
oklch(97.1% 0.013 241)
-
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)
#73BDEF
oklch(76.9% 0.103 239.6)
-
Step 400
400
#00ABF9
oklch(70.6% 0.161 239.7)
-
Step 500
500
#0093D6
oklch(63.1% 0.143 239.3)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#00466A
oklch(37.6% 0.086 240.1)
-
Step 950
950
#002A41
oklch(27.1% 0.061 239)
#73BDEF 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) | #A7BCF1 | 0.058 |
| Deuteranopia (no green cones) | #96AFEE | 0.050 |
| Tritanopia (no blue cones) | #29CACE | 0.083 |
| Achromatopsia (no color) | #B5B5B5 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73BDEF
#73BDEF
oklch(76.9% 0.103 239.6)
- #E5A46F
#E5A46F
oklch(76.9% 0.103 59.6)
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 #73BDEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.032
- Carolina Blue #8AB8FE ΔE 0.038
- Vivid Sky Blue #4CC9F0 ΔE 0.040
- Sky #82CAFC ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Sky Blue #87CEEB ΔE 0.055
- Deep Sky Blue #00BFFF ΔE 0.055
Use #73BDEF 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.