#73B5EE
Closest named color: Carolina Blue (#8AB8FE). oklch(75.1% 0.107 245.9), rgb(115, 181, 238).
Aa
Black text reads best on this color (9.57:1).
About this color
#73B5EE is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.107 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.036 away. Black text reads best on it, at 9.57:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.57:1 |
| White text | 2.19:1 |
Values
| HEX | #73B5EE |
| RGB | rgb(115, 181, 238) |
| HSL | hsl(208, 78%, 69%) |
| OKLCH | oklch(75.1% 0.107 245.9) |
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 #73B5EE | 2.19:1 | Fails | Lc -47.8 | Large or bold text, headings |
| Black text on #73B5EE | 9.57:1 | AAA | Lc 60.9 | Content text, not long reading |
| #73B5EE text on white | 2.19:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #73B5EE text on black | 9.57:1 | AAA | Lc -59.2 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF6
oklch(93.7% 0.019 243)
-
Step 200
200
#C6DCF1
oklch(88.5% 0.037 247)
-
Step 300
300
#9EC6EA
oklch(81% 0.067 245.9)
-
Step 400
400 (this color)
#73B5EE
oklch(75.1% 0.107 245.9)
-
Step 500
500
#3490D6
oklch(63.2% 0.136 245.6)
-
Step 600
600
#0078C1
oklch(55.5% 0.143 246.2)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005387
oklch(42.8% 0.11 245.8)
-
Step 900
900
#0C456D
oklch(37.7% 0.088 245.4)
-
Step 950
950
#0A2840
oklch(26.8% 0.057 246.4)
#73B5EE 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) | #9DB6F1 | 0.048 |
| Deuteranopia (no green cones) | #8DA9ED | 0.040 |
| Tritanopia (no blue cones) | #2EC3C8 | 0.091 |
| Achromatopsia (no color) | #AFAFAF | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B5EE
#73B5EE
oklch(75.1% 0.107 245.9)
- #DDA062
#DDA062
oklch(75.1% 0.107 65.4)
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 #73B5EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.036
- Lightblue #7BC8F6 ΔE 0.052
- Deep Sky Blue #00BFFF ΔE 0.057
- Vivid Sky Blue #4CC9F0 ΔE 0.058
- Sky #82CAFC ΔE 0.060
- Pastel Blue #A2BFFE ΔE 0.066
- Light Grey Blue #9DBCD4 ΔE 0.066
- Light Cornflower Blue #98C1D9 ΔE 0.066
Use #73B5EE 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.