#73A3FB
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.9% 0.139 261.8), rgb(115, 163, 251).
Aa
Black text reads best on this color (8.36:1).
About this color
#73A3FB is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.139 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.039 away. Black text reads best on it, at 8.36:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.36:1 |
| White text | 2.51:1 |
Values
| HEX | #73A3FB |
| RGB | rgb(115, 163, 251) |
| HSL | hsl(219, 94%, 72%) |
| OKLCH | oklch(71.9% 0.139 261.8) |
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 #73A3FB | 2.51:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #73A3FB | 8.36:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #73A3FB text on white | 2.51:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #73A3FB text on black | 8.36:1 | AAA | Lc -52.8 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAFA
oklch(88.5% 0.048 262)
-
Step 300
300
#A2C1F9
oklch(80.8% 0.087 262)
-
Step 400
400 (this color)
#73A3FB
oklch(71.9% 0.139 261.8)
-
Step 500
500
#4A84F3
oklch(63.1% 0.177 261.9)
-
Step 600
600
#2C6BE2
oklch(55.7% 0.193 261.6)
-
Step 700
700
#2058C4
oklch(49.1% 0.179 261.8)
-
Step 800
800
#1C499F
oklch(42.8% 0.149 261.7)
-
Step 900
900
#1C3E7E
oklch(37.7% 0.116 261.6)
-
Step 950
950
#11254A
oklch(27.1% 0.074 261.5)
#73A3FB 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) | #7FAAFF | 0.024 |
| Deuteranopia (no green cones) | #6F9EF9 | 0.014 |
| Tritanopia (no blue cones) | #20B6C3 | 0.125 |
| Achromatopsia (no color) | #A3A3A3 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A3FB
#73A3FB
oklch(71.9% 0.139 261.8)
- #D09A23
#D09A23
oklch(71.9% 0.139 81.4)
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 #73A3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.039
- Cornflower Blue #6495ED ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.064
- Perrywinkle #8F8CE7 ΔE 0.065
- Lavender Blue #8B88F8 ΔE 0.071
- Soft Blue #6488EA ΔE 0.076
- Dark Sky Blue #448EE4 ΔE 0.082
Use #73A3FB 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.