#73AEE9
Closest named color: Carolina Blue (#8AB8FE). oklch(73.4% 0.106 249.4), rgb(115, 174, 233).
Aa
Black text reads best on this color (8.96:1).
About this color
#73AEE9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.106 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.047 away. Black text reads best on it, at 8.96:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.96:1 |
| White text | 2.34:1 |
Values
| HEX | #73AEE9 |
| RGB | rgb(115, 174, 233) |
| HSL | hsl(210, 73%, 68%) |
| OKLCH | oklch(73.4% 0.106 249.4) |
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 #73AEE9 | 2.34:1 | Fails | Lc -51.0 | Large or bold text, headings |
| Black text on #73AEE9 | 8.96:1 | AAA | Lc 57.9 | Large or bold text, headings |
| #73AEE9 text on white | 2.34:1 | Fails | Lc 46.1 | Large or bold text, headings |
| #73AEE9 text on black | 8.96:1 | AAA | Lc -56.0 | 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
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C7DCF1
oklch(88.5% 0.037 248.2)
-
Step 300
300
#A0C5EA
oklch(80.9% 0.066 248.6)
-
Step 400
400 (this color)
#73AEE9
oklch(73.4% 0.106 249.4)
-
Step 500
500
#3F8ED7
oklch(63.1% 0.135 249.3)
-
Step 600
600
#1476C5
oklch(55.5% 0.148 249.6)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#0A518A
oklch(42.7% 0.114 249.6)
-
Step 900
900
#14446E
oklch(37.8% 0.088 249)
-
Step 950
950
#0E2840
oklch(27% 0.055 249)
#73AEE9 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) | #96B0EC | 0.041 |
| Deuteranopia (no green cones) | #87A4E8 | 0.032 |
| Tritanopia (no blue cones) | #36BCC2 | 0.092 |
| Achromatopsia (no color) | #A9A9A9 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73AEE9
#73AEE9
oklch(73.4% 0.106 249.4)
- #D49D5B
#D49D5B
oklch(73.5% 0.106 69.9)
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 #73AEE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.047
- Deep Sky Blue #00BFFF ΔE 0.065
- Lightblue #7BC8F6 ΔE 0.071
- Periwinkle Blue #8F99FB ΔE 0.072
- Vivid Sky Blue #4CC9F0 ΔE 0.073
- Cornflower Blue #6495ED ΔE 0.074
- Light Grey Blue #9DBCD4 ΔE 0.075
- Greyblue #77A1B5 ΔE 0.076
Use #73AEE9 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.