#73C0EE
Closest named color: Lightblue (#7BC8F6). oklch(77.5% 0.101 236.3), rgb(115, 192, 238).
Aa
Black text reads best on this color (10.50:1).
About this color
#73C0EE is a medium-light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.101 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.025 away. Black text reads best on it, at 10.50:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.50:1 |
| White text | 1.99:1 |
Values
| HEX | #73C0EE |
| RGB | rgb(115, 192, 238) |
| HSL | hsl(202, 78%, 69%) |
| OKLCH | oklch(77.5% 0.101 236.3) |
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 #73C0EE | 1.99:1 | Fails | Lc -43.0 | Non-text elements, placeholder text |
| Black text on #73C0EE | 10.50:1 | AAA | Lc 65.3 | Content text, not long reading |
| #73C0EE text on white | 1.99:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #73C0EE text on black | 10.50:1 | AAA | Lc -63.8 | 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
#D8EDFB
oklch(93.5% 0.029 236.9)
-
Step 200
200
#B7E0FA
oklch(88.6% 0.056 236.1)
-
Step 300
300 (this color)
#73C0EE
oklch(77.5% 0.101 236.3)
-
Step 400
400
#00ADF2
oklch(70.7% 0.152 236.1)
-
Step 500
500
#0094D0
oklch(63.1% 0.136 236.2)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006894
oklch(49% 0.106 236.4)
-
Step 800
800
#00557A
oklch(42.5% 0.092 236.4)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#73C0EE 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) | #ABBFF0 | 0.062 |
| Deuteranopia (no green cones) | #9AB2ED | 0.053 |
| Tritanopia (no blue cones) | #29CCCF | 0.079 |
| Achromatopsia (no color) | #B7B7B7 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73C0EE
#73C0EE
oklch(77.5% 0.101 236.3)
- #E8A575
#E8A575
oklch(77.6% 0.102 56.2)
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 #73C0EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.025
- Vivid Sky Blue #4CC9F0 ΔE 0.034
- Sky #82CAFC ΔE 0.035
- Carolina Blue #8AB8FE ΔE 0.043
- Light Sky Blue #87CEFA ΔE 0.046
- Sky Blue #87CEEB ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.053
Use #73C0EE 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.