#73B8EC
Closest named color: Carolina Blue (#8AB8FE). oklch(75.7% 0.103 242.4), rgb(115, 184, 236).
Aa
Black text reads best on this color (9.79:1).
About this color
#73B8EC is a medium-light, moderately saturated blue. In OKLCH its lightness is 76%, its chroma 0.103 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.038 away. Black text reads best on it, at 9.79:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.79:1 |
| White text | 2.14:1 |
Values
| HEX | #73B8EC |
| RGB | rgb(115, 184, 236) |
| HSL | hsl(206, 76%, 69%) |
| OKLCH | oklch(75.7% 0.103 242.4) |
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 #73B8EC | 2.14:1 | Fails | Lc -46.6 | Large or bold text, headings |
| Black text on #73B8EC | 9.79:1 | AAA | Lc 62.0 | Content text, not long reading |
| #73B8EC text on white | 2.14:1 | Fails | Lc 41.9 | Non-text elements, placeholder text |
| #73B8EC text on black | 9.79:1 | AAA | Lc -60.3 | 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 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
#C6DDEF
oklch(88.6% 0.035 241.5)
-
Step 300
300
#9DC6E7
oklch(80.8% 0.064 242.9)
-
Step 400
400 (this color)
#73B8EC
oklch(75.7% 0.103 242.4)
-
Step 500
500
#2F91D2
oklch(63.1% 0.132 242.7)
-
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
#08466B
oklch(37.8% 0.085 242.3)
-
Step 950
950
#09293F
oklch(27% 0.055 243)
#73B8EC 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) | #A1B8EE | 0.052 |
| Deuteranopia (no green cones) | #91ACEB | 0.043 |
| Tritanopia (no blue cones) | #2FC5C9 | 0.086 |
| Achromatopsia (no color) | #B1B1B1 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B8EC
#73B8EC
oklch(75.7% 0.103 242.4)
- #DFA16A
#DFA16A
oklch(75.6% 0.103 61.9)
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 #73B8EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.038
- Lightblue #7BC8F6 ΔE 0.045
- Vivid Sky Blue #4CC9F0 ΔE 0.050
- Sky #82CAFC ΔE 0.053
- Deep Sky Blue #00BFFF ΔE 0.056
- Light Cornflower Blue #98C1D9 ΔE 0.058
- Light Grey Blue #9DBCD4 ΔE 0.059
- Pastel Blue #A2BFFE ΔE 0.063
Use #73B8EC 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.