#73B3FA
Closest named color: Carolina Blue (#8AB8FE). oklch(75.3% 0.122 252), rgb(115, 179, 250).
Aa
Black text reads best on this color (9.55:1).
About this color
#73B3FA is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.122 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.030 away. Black text reads best on it, at 9.55:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.55:1 |
| White text | 2.19:1 |
Values
| HEX | #73B3FA |
| RGB | rgb(115, 179, 250) |
| HSL | hsl(212, 93%, 72%) |
| OKLCH | oklch(75.3% 0.122 252) |
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 #73B3FA | 2.19:1 | Fails | Lc -47.8 | Large or bold text, headings |
| Black text on #73B3FA | 9.55:1 | AAA | Lc 60.9 | Content text, not long reading |
| #73B3FA text on white | 2.19:1 | Fails | Lc 43.1 | Non-text elements, placeholder text |
| #73B3FA text on black | 9.55:1 | AAA | Lc -59.1 | 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
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C6DCF5
oklch(88.6% 0.042 251.7)
-
Step 300
300
#9DC4F1
oklch(80.8% 0.076 252.3)
-
Step 400
400 (this color)
#73B3FA
oklch(75.3% 0.122 252)
-
Step 500
500
#358CE4
oklch(63.1% 0.156 252)
-
Step 600
600
#0074D0
oklch(55.6% 0.166 251.9)
-
Step 700
700
#0061B0
oklch(49% 0.147 252)
-
Step 800
800
#004F92
oklch(42.6% 0.129 252.3)
-
Step 900
900
#0D4275
oklch(37.5% 0.102 252.1)
-
Step 950
950
#0B2745
oklch(26.9% 0.065 252.8)
#73B3FA 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) | #96B6FD | 0.041 |
| Deuteranopia (no green cones) | #85A9F9 | 0.030 |
| Tritanopia (no blue cones) | #19C3CC | 0.106 |
| Achromatopsia (no color) | #AFAFAF | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B3FA
#73B3FA
oklch(75.3% 0.122 252)
- #DEA14F
#DEA14F
oklch(75.2% 0.122 72.1)
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 #73B3FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.030
- Deep Sky Blue #00BFFF ΔE 0.058
- Lightblue #7BC8F6 ΔE 0.061
- Pastel Blue #A2BFFE ΔE 0.065
- Sky #82CAFC ΔE 0.066
- Vivid Sky Blue #4CC9F0 ΔE 0.069
- Periwinkle Blue #8F99FB ΔE 0.072
- Bright Sky Blue #02CCFE ΔE 0.077
Use #73B3FA 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.