#73B8DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(75% 0.086 231.6), rgb(115, 184, 219).
Aa
Black text reads best on this color (9.60:1).
About this color
#73B8DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.086 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.050 away. Black text reads best on it, at 9.60:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.60:1 |
| White text | 2.18:1 |
Values
| HEX | #73B8DB |
| RGB | rgb(115, 184, 219) |
| HSL | hsl(200, 59%, 65%) |
| OKLCH | oklch(75% 0.086 231.6) |
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 #73B8DB | 2.18:1 | Fails | Lc -47.6 | Large or bold text, headings |
| Black text on #73B8DB | 9.60:1 | AAA | Lc 61.1 | Content text, not long reading |
| #73B8DB text on white | 2.18:1 | Fails | Lc 42.9 | Non-text elements, placeholder text |
| #73B8DB text on black | 9.60:1 | AAA | Lc -59.3 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C6DDEA
oklch(88.4% 0.03 232.5)
-
Step 300
300
#9EC8DE
oklch(81% 0.054 231.1)
-
Step 400
400 (this color)
#73B8DB
oklch(75% 0.086 231.6)
-
Step 500
500
#3295C0
oklch(63.2% 0.11 231.2)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#0A4861
oklch(37.8% 0.072 231.5)
-
Step 950
950
#0A2A39
oklch(27% 0.046 232.6)
#73B8DB 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) | #A7B6DD | 0.060 |
| Deuteranopia (no green cones) | #98AADB | 0.053 |
| Tritanopia (no blue cones) | #40C2C3 | 0.065 |
| Achromatopsia (no color) | #AFAFAF | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B8DB
#73B8DB
oklch(75% 0.086 231.6)
- #DA9F7B
#DA9F7B
oklch(75% 0.086 52.4)
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 #73B8DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.050
- Vivid Sky Blue #4CC9F0 ΔE 0.051
- Lightblue #7BC8F6 ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.059
- Sky #82CAFC ΔE 0.064
- Sky Blue #87CEEB ΔE 0.066
- Deep Sky Blue #00BFFF ΔE 0.068
Use #73B8DB 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.