#73C4EB
Closest named color: Lightblue (#7BC8F6). oklch(78.3% 0.097 230.6), rgb(115, 196, 235).
Aa
Black text reads best on this color (10.82:1).
About this color
#73C4EB is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.097 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Lightblue (#7BC8F6), ΔE 0.020 away. Black text reads best on it, at 10.82:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Lightblue (#7BC8F6) |
| Black text | 10.82:1 |
| White text | 1.94:1 |
Values
| HEX | #73C4EB |
| RGB | rgb(115, 196, 235) |
| HSL | hsl(199, 75%, 69%) |
| OKLCH | oklch(78.3% 0.097 230.6) |
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 #73C4EB | 1.94:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #73C4EB | 10.82:1 | AAA | Lc 66.8 | Content text, not long reading |
| #73C4EB text on white | 1.94:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #73C4EB text on black | 10.82:1 | AAA | Lc -65.4 | 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
#EDF7FD
oklch(97% 0.013 233.7)
-
Step 100
100
#D8EEF9
oklch(93.6% 0.028 229.2)
-
Step 200
200
#B6E0F6
oklch(88.4% 0.053 230.9)
-
Step 300
300 (this color)
#73C4EB
oklch(78.3% 0.097 230.6)
-
Step 400
400
#00AFE8
oklch(70.7% 0.142 230.7)
-
Step 500
500
#0096C7
oklch(63.1% 0.126 230.5)
-
Step 600
600
#007EA8
oklch(55.6% 0.112 230.6)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#73C4EB 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) | #B1C1ED | 0.069 |
| Deuteranopia (no green cones) | #9FB4EA | 0.060 |
| Tritanopia (no blue cones) | #2BCFD1 | 0.071 |
| Achromatopsia (no color) | #BABABA | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73C4EB
#73C4EB
oklch(78.3% 0.097 230.6)
- #EBA67F
#EBA67F
oklch(78.2% 0.097 50.3)
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 #73C4EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lightblue #7BC8F6 ΔE 0.020
- Vivid Sky Blue #4CC9F0 ΔE 0.029
- Sky #82CAFC ΔE 0.032
- Sky Blue #87CEEB ΔE 0.036
- Light Sky Blue #87CEFA ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Light Grey Blue #9DBCD4 ΔE 0.051
- Bright Sky Blue #02CCFE ΔE 0.052
Use #73C4EB 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.