#73C3FF
Closest named color: Lightblue (#7BC8F6). oklch(78.9% 0.117 242.6), rgb(115, 195, 255).
Aa
Black text reads best on this color (10.97:1).
About this color
#73C3FF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.117 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.023 away. Black text reads best on it, at 10.97:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.97:1 |
| White text | 1.91:1 |
Values
| HEX | #73C3FF |
| RGB | rgb(115, 195, 255) |
| HSL | hsl(206, 100%, 73%) |
| OKLCH | oklch(78.9% 0.117 242.6) |
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 #73C3FF | 1.91:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #73C3FF | 10.97:1 | AAA | Lc 67.6 | Content text, not long reading |
| #73C3FF text on white | 1.91:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #73C3FF text on black | 10.97:1 | AAA | Lc -66.1 | 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 300.
-
Step 50
50
#EDF7FF
oklch(97.1% 0.015 241.8)
-
Step 100
100
#D7EDFF
oklch(93.5% 0.034 242.7)
-
Step 200
200
#B7DFFF
oklch(88.6% 0.061 242.5)
-
Step 300
300 (this color)
#73C3FF
oklch(78.9% 0.117 242.6)
-
Step 400
400
#0DAAFF
oklch(70.8% 0.167 242.4)
-
Step 500
500
#0091DC
oklch(63% 0.151 242.6)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669D
oklch(49% 0.118 242.7)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#73C3FF 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) | #A9C3FF | 0.058 |
| Deuteranopia (no green cones) | #96B5FE | 0.048 |
| Tritanopia (no blue cones) | #00D2D7 | 0.097 |
| Achromatopsia (no color) | #BBBBBB | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73C3FF
#73C3FF
oklch(78.9% 0.117 242.6)
- #F0A968
#F0A968
oklch(79% 0.117 62.3)
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 #73C3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.023
- Sky #82CAFC ΔE 0.026
- Carolina Blue #8AB8FE ΔE 0.034
- Light Sky Blue #87CEFA ΔE 0.040
- Vivid Sky Blue #4CC9F0 ΔE 0.042
- Pastel Blue #A2BFFE ΔE 0.049
- Sky Blue #87CEEB ΔE 0.052
- Bright Sky Blue #02CCFE ΔE 0.053
Use #73C3FF 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.