#73B1E3
Closest named color: Carolina Blue (#8AB8FE). oklch(73.8% 0.097 244), rgb(115, 177, 227).
Aa
Black text reads best on this color (9.12:1).
About this color
#73B1E3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.097 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.050 away. Black text reads best on it, at 9.12:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.12:1 |
| White text | 2.30:1 |
Values
| HEX | #73B1E3 |
| RGB | rgb(115, 177, 227) |
| HSL | hsl(207, 67%, 67%) |
| OKLCH | oklch(73.8% 0.097 244) |
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 #73B1E3 | 2.30:1 | Fails | Lc -50.1 | Large or bold text, headings |
| Black text on #73B1E3 | 9.12:1 | AAA | Lc 58.7 | Large or bold text, headings |
| #73B1E3 text on white | 2.30:1 | Fails | Lc 45.3 | Large or bold text, headings |
| #73B1E3 text on black | 9.12:1 | AAA | Lc -56.8 | 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
#E0EBF5
oklch(93.5% 0.018 245.4)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300
#A0C6E5
oklch(81% 0.06 243.2)
-
Step 400
400 (this color)
#73B1E3
oklch(73.8% 0.097 244)
-
Step 500
500
#3C90CF
oklch(63.1% 0.125 244.5)
-
Step 600
600
#0879BC
oklch(55.5% 0.136 244.3)
-
Step 700
700
#0066A0
oklch(49.2% 0.121 244)
-
Step 800
800
#035383
oklch(42.6% 0.104 244.2)
-
Step 900
900
#124569
oklch(37.6% 0.081 244.2)
-
Step 950
950
#0D293D
oklch(27% 0.05 242.9)
#73B1E3 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) | #9CB1E5 | 0.047 |
| Deuteranopia (no green cones) | #8DA6E2 | 0.039 |
| Tritanopia (no blue cones) | #3BBDC2 | 0.080 |
| Achromatopsia (no color) | #ABABAB | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B1E3
#73B1E3
oklch(73.8% 0.097 244)
- #D59D67
#D59D67
oklch(73.8% 0.097 64.3)
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 #73B1E3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.050
- Lightblue #7BC8F6 ΔE 0.064
- Deep Sky Blue #00BFFF ΔE 0.065
- Light Grey Blue #9DBCD4 ΔE 0.065
- Vivid Sky Blue #4CC9F0 ΔE 0.065
- Light Cornflower Blue #98C1D9 ΔE 0.068
- Greyblue #77A1B5 ΔE 0.070
- Bluegrey #85A3B2 ΔE 0.071
Use #73B1E3 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.