#73B2EE
Closest named color: Carolina Blue (#8AB8FE). oklch(74.5% 0.109 248.3), rgb(115, 178, 238).
Aa
Black text reads best on this color (9.33:1).
About this color
#73B2EE is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.109 and its hue 248°. 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 9.33:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.33:1 |
| White text | 2.25:1 |
Values
| HEX | #73B2EE |
| RGB | rgb(115, 178, 238) |
| HSL | hsl(209, 78%, 69%) |
| OKLCH | oklch(74.5% 0.109 248.3) |
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 #73B2EE | 2.25:1 | Fails | Lc -49.0 | Large or bold text, headings |
| Black text on #73B2EE | 9.33:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #73B2EE text on white | 2.25:1 | Fails | Lc 44.2 | Non-text elements, placeholder text |
| #73B2EE text on black | 9.33:1 | AAA | Lc -57.9 | 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
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C6DCF2
oklch(88.5% 0.038 248.3)
-
Step 300
300
#9FC5EB
oklch(80.9% 0.068 248.7)
-
Step 400
400 (this color)
#73B2EE
oklch(74.5% 0.109 248.3)
-
Step 500
500
#388ED9
oklch(63% 0.14 248.5)
-
Step 600
600
#0077C6
oklch(55.6% 0.15 248.2)
-
Step 700
700
#0064A8
oklch(49.2% 0.133 248.3)
-
Step 800
800
#00518B
oklch(42.6% 0.117 248.8)
-
Step 900
900
#10446F
oklch(37.7% 0.091 248.4)
-
Step 950
950
#0C2841
oklch(27% 0.058 248.6)
#73B2EE 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) | #99B4F1 | 0.044 |
| Deuteranopia (no green cones) | #89A7ED | 0.035 |
| Tritanopia (no blue cones) | #2FC0C7 | 0.093 |
| Achromatopsia (no color) | #ADADAD | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B2EE
#73B2EE
oklch(74.5% 0.109 248.3)
- #DA9F5D
#DA9F5D
oklch(74.5% 0.109 67.9)
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 #73B2EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.038
- Deep Sky Blue #00BFFF ΔE 0.059
- Lightblue #7BC8F6 ΔE 0.060
- Vivid Sky Blue #4CC9F0 ΔE 0.065
- Sky #82CAFC ΔE 0.068
- Pastel Blue #A2BFFE ΔE 0.070
- Light Grey Blue #9DBCD4 ΔE 0.071
- Light Cornflower Blue #98C1D9 ΔE 0.072
Use #73B2EE 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.