#73AEE4
Closest named color: Carolina Blue (#8AB8FE). oklch(73.2% 0.1 247.2), rgb(115, 174, 228).
Aa
Black text reads best on this color (8.90:1).
About this color
#73AEE4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.100 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.052 away. Black text reads best on it, at 8.90:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.90:1 |
| White text | 2.35:1 |
Values
| HEX | #73AEE4 |
| RGB | rgb(115, 174, 228) |
| HSL | hsl(209, 68%, 67%) |
| OKLCH | oklch(73.2% 0.1 247.2) |
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 #73AEE4 | 2.35:1 | Fails | Lc -51.3 | Large or bold text, headings |
| Black text on #73AEE4 | 8.90:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #73AEE4 text on white | 2.35:1 | Fails | Lc 46.4 | Large or bold text, headings |
| #73AEE4 text on black | 8.90:1 | AAA | Lc -55.7 | 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
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCEF
oklch(88.5% 0.034 246.8)
-
Step 300
300
#A1C5E7
oklch(80.9% 0.062 247.1)
-
Step 400
400 (this color)
#73AEE4
oklch(73.2% 0.1 247.2)
-
Step 500
500
#408FD2
oklch(63.1% 0.127 247.2)
-
Step 600
600
#1578BF
oklch(55.6% 0.138 246.9)
-
Step 700
700
#0164A5
oklch(49% 0.129 247.3)
-
Step 800
800
#0B5286
oklch(42.7% 0.107 247.4)
-
Step 900
900
#15446B
oklch(37.6% 0.084 247.6)
-
Step 950
950
#0E283F
oklch(26.9% 0.054 248)
#73AEE4 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) | #98AFE6 | 0.043 |
| Deuteranopia (no green cones) | #89A4E3 | 0.034 |
| Tritanopia (no blue cones) | #3BBBC0 | 0.086 |
| Achromatopsia (no color) | #A9A9A9 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73AEE4
#73AEE4
oklch(73.2% 0.1 247.2)
- #D29C61
#D29C61
oklch(73.1% 0.1 67.7)
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 #73AEE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.052
- Deep Sky Blue #00BFFF ΔE 0.067
- Greyblue #77A1B5 ΔE 0.069
- Lightblue #7BC8F6 ΔE 0.071
- Light Grey Blue #9DBCD4 ΔE 0.072
- Bluegrey #85A3B2 ΔE 0.072
- Vivid Sky Blue #4CC9F0 ΔE 0.073
- Light Cornflower Blue #98C1D9 ΔE 0.075
Use #73AEE4 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.