#73ACEF
Closest named color: Carolina Blue (#8AB8FE). oklch(73.2% 0.115 253.2), rgb(115, 172, 239).
Aa
Black text reads best on this color (8.87:1).
About this color
#73ACEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.115 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.046 away. Black text reads best on it, at 8.87:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 8.87:1 |
| White text | 2.36:1 |
Values
| HEX | #73ACEF |
| RGB | rgb(115, 172, 239) |
| HSL | hsl(212, 79%, 69%) |
| OKLCH | oklch(73.2% 0.115 253.2) |
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 #73ACEF | 2.36:1 | Fails | Lc -51.4 | Large or bold text, headings |
| Black text on #73ACEF | 8.87:1 | AAA | Lc 57.5 | Large or bold text, headings |
| #73ACEF text on white | 2.36:1 | Fails | Lc 46.5 | Large or bold text, headings |
| #73ACEF text on black | 8.87:1 | AAA | Lc -55.6 | 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
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C7DBF4
oklch(88.4% 0.041 254)
-
Step 300
300
#A0C4EF
oklch(80.9% 0.072 253.1)
-
Step 400
400 (this color)
#73ACEF
oklch(73.2% 0.115 253.2)
-
Step 500
500
#408CDF
oklch(63.2% 0.146 252.9)
-
Step 600
600
#1A74CD
oklch(55.7% 0.159 253.1)
-
Step 700
700
#0860B1
oklch(49% 0.148 253.3)
-
Step 800
800
#0E4F90
oklch(42.7% 0.124 253.4)
-
Step 900
900
#164273
oklch(37.7% 0.097 253.8)
-
Step 950
950
#0E2743
oklch(26.9% 0.061 253.2)
#73ACEF 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) | #91AFF2 | 0.036 |
| Deuteranopia (no green cones) | #81A3EE | 0.026 |
| Tritanopia (no blue cones) | #30BBC3 | 0.101 |
| Achromatopsia (no color) | #A8A8A8 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73ACEF
#73ACEF
oklch(73.2% 0.115 253.2)
- #D49D50
#D49D50
oklch(73.3% 0.115 73.5)
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 #73ACEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.063
- Cornflower Blue #6495ED ΔE 0.066
- Deep Sky Blue #00BFFF ΔE 0.067
- Lightblue #7BC8F6 ΔE 0.076
- Chefchaouen Blue #4895EF ΔE 0.079
- Pastel Blue #A2BFFE ΔE 0.080
- Vivid Sky Blue #4CC9F0 ΔE 0.081
Use #73ACEF 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.