#73ACE5
Closest named color: Carolina Blue (#8AB8FE). oklch(72.8% 0.103 249.4), rgb(115, 172, 229).
Aa
Black text reads best on this color (8.76:1).
About this color
#73ACE5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.103 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.053 away. Black text reads best on it, at 8.76:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.76:1 |
| White text | 2.39:1 |
Values
| HEX | #73ACE5 |
| RGB | rgb(115, 172, 229) |
| HSL | hsl(210, 69%, 67%) |
| OKLCH | oklch(72.8% 0.103 249.4) |
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 #73ACE5 | 2.39:1 | Fails | Lc -52.1 | Large or bold text, headings |
| Black text on #73ACE5 | 8.76:1 | AAA | Lc 56.9 | Large or bold text, headings |
| #73ACE5 text on white | 2.39:1 | Fails | Lc 47.1 | Large or bold text, headings |
| #73ACE5 text on black | 8.76:1 | AAA | Lc -54.9 | 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
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF0
oklch(88.6% 0.035 248.2)
-
Step 300
300
#A1C5E9
oklch(81% 0.064 248.6)
-
Step 400
400 (this color)
#73ACE5
oklch(72.8% 0.103 249.4)
-
Step 500
500
#428ED5
oklch(63.1% 0.131 249.3)
-
Step 600
600
#1B77C2
oklch(55.7% 0.142 249)
-
Step 700
700
#0A63A8
oklch(49.1% 0.133 249.6)
-
Step 800
800
#0F5188
oklch(42.6% 0.11 249.6)
-
Step 900
900
#17446D
oklch(37.8% 0.086 249.5)
-
Step 950
950
#0F2840
oklch(27% 0.055 249.7)
#73ACE5 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) | #95AEE8 | 0.041 |
| Deuteranopia (no green cones) | #86A2E4 | 0.032 |
| Tritanopia (no blue cones) | #3BB9C0 | 0.087 |
| Achromatopsia (no color) | #A7A7A7 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73ACE5
#73ACE5
oklch(72.8% 0.103 249.4)
- #D19B5C
#D19B5C
oklch(72.8% 0.103 69.3)
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 #73ACE5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.053
- Greyblue #77A1B5 ΔE 0.069
- Deep Sky Blue #00BFFF ΔE 0.070
- Cornflower Blue #6495ED ΔE 0.070
- Periwinkle Blue #8F99FB ΔE 0.072
- Bluegrey #85A3B2 ΔE 0.073
- Lightblue #7BC8F6 ΔE 0.076
- Light Grey Blue #9DBCD4 ΔE 0.076
Use #73ACE5 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.