#73A3FD
Closest named color: Periwinkle Blue (#8F99FB). oklch(72% 0.142 262.1), rgb(115, 163, 253).
Aa
Black text reads best on this color (8.38:1).
About this color
#73A3FD is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.142 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 8.38:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.38:1 |
| White text | 2.50:1 |
Values
| HEX | #73A3FD |
| RGB | rgb(115, 163, 253) |
| HSL | hsl(219, 97%, 72%) |
| OKLCH | oklch(72% 0.142 262.1) |
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 #73A3FD | 2.50:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #73A3FD | 8.38:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #73A3FD text on white | 2.50:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #73A3FD text on black | 8.38:1 | AAA | Lc -53.0 | 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
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A2C1FB
oklch(80.9% 0.089 262.7)
-
Step 400
400 (this color)
#73A3FD
oklch(72% 0.142 262.1)
-
Step 500
500
#4984F5
oklch(63.2% 0.18 261.9)
-
Step 600
600
#2C6AE4
oklch(55.6% 0.197 262)
-
Step 700
700
#2057C6
oklch(49.1% 0.183 262.2)
-
Step 800
800
#1C48A0
oklch(42.7% 0.151 262.1)
-
Step 900
900
#1C3D7F
oklch(37.6% 0.119 262.3)
-
Step 950
950
#11254A
oklch(27.1% 0.074 261.5)
#73A3FD 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) | #7EABFF | 0.026 |
| Deuteranopia (no green cones) | #6D9EFB | 0.015 |
| Tritanopia (no blue cones) | #1CB7C4 | 0.128 |
| Achromatopsia (no color) | #A4A4A4 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A3FD
#73A3FD
oklch(72% 0.142 262.1)
- #D09A1D
#D09A1D
oklch(71.9% 0.141 82)
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 #73A3FD, 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 0.046
- Chefchaouen Blue #4895EF ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.065
- Perrywinkle #8F8CE7 ΔE 0.066
- Lavender Blue #8B88F8 ΔE 0.070
- Soft Blue #6488EA ΔE 0.076
- Dark Sky Blue #448EE4 ΔE 0.083
Use #73A3FD 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.