#73B1EF
Closest named color: Carolina Blue (#8AB8FE). oklch(74.3% 0.111 249.5), rgb(115, 177, 239).
Aa
Black text reads best on this color (9.26:1).
About this color
#73B1EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.111 and its hue 250°. 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 9.26:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.26:1 |
| White text | 2.26:1 |
Values
| HEX | #73B1EF |
| RGB | rgb(115, 177, 239) |
| HSL | hsl(210, 79%, 69%) |
| OKLCH | oklch(74.3% 0.111 249.5) |
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 #73B1EF | 2.26:1 | Fails | Lc -49.4 | Large or bold text, headings |
| Black text on #73B1EF | 9.26:1 | AAA | Lc 59.4 | Large or bold text, headings |
| #73B1EF text on white | 2.26:1 | Fails | Lc 44.6 | Non-text elements, placeholder text |
| #73B1EF text on black | 9.26:1 | AAA | Lc -57.6 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
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
#9FC5EC
oklch(80.9% 0.069 249.4)
-
Step 400
400 (this color)
#73B1EF
oklch(74.3% 0.111 249.5)
-
Step 500
500
#3A8EDB
oklch(63.2% 0.141 249.5)
-
Step 600
600
#0576C8
oklch(55.6% 0.153 249.5)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#02518C
oklch(42.7% 0.118 249.4)
-
Step 900
900
#114470
oklch(37.8% 0.092 249.2)
-
Step 950
950
#0C2842
oklch(27.1% 0.059 249.5)
#73B1EF 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) | #98B3F2 | 0.043 |
| Deuteranopia (no green cones) | #88A7EE | 0.033 |
| Tritanopia (no blue cones) | #2EBFC6 | 0.095 |
| Achromatopsia (no color) | #ACACAC | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B1EF
#73B1EF
oklch(74.3% 0.111 249.5)
- #D99F59
#D99F59
oklch(74.4% 0.111 69.8)
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 #73B1EF, 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 0.060
- Lightblue #7BC8F6 ΔE 0.063
- Vivid Sky Blue #4CC9F0 ΔE 0.068
- Sky #82CAFC ΔE 0.070
- Pastel Blue #A2BFFE ΔE 0.071
- Light Grey Blue #9DBCD4 ΔE 0.074
- Periwinkle Blue #8F99FB ΔE 0.074
Use #73B1EF 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.