#729CFF
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.6% 0.153 265.4), rgb(114, 156, 255).
Aa
Black text reads best on this color (7.91:1).
About this color
#729CFF is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.153 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.035 away. Black text reads best on it, at 7.91:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.91:1 |
| White text | 2.65:1 |
Values
| HEX | #729CFF |
| RGB | rgb(114, 156, 255) |
| HSL | hsl(222, 100%, 72%) |
| OKLCH | oklch(70.6% 0.153 265.4) |
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 #729CFF | 2.65:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #729CFF | 7.91:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #729CFF text on white | 2.65:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #729CFF text on black | 7.91:1 | AAA | Lc -50.4 | 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
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8D9FD
oklch(88.4% 0.053 265.3)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400 (this color)
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4F80FE
oklch(63.2% 0.195 265.2)
-
Step 600
600
#3565ED
oklch(55.7% 0.212 265.2)
-
Step 700
700
#2952CE
oklch(49% 0.197 265.4)
-
Step 800
800
#2244A7
oklch(42.7% 0.164 265.4)
-
Step 900
900
#203B84
oklch(37.7% 0.127 265.4)
-
Step 950
950
#13234D
oklch(26.9% 0.08 265.6)
#729CFF 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) | #73A6FF | 0.026 |
| Deuteranopia (no green cones) | #6199FD | 0.021 |
| Tritanopia (no blue cones) | #14B2C1 | 0.138 |
| Achromatopsia (no color) | #9F9F9F | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729CFF
#729CFF
oklch(70.6% 0.153 265.4)
- #C99800
#C99800
oklch(70.7% 0.145 85.4)
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 #729CFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.035
- Chefchaouen Blue #4895EF ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.056
- Soft Blue #6488EA ΔE 0.061
- Periwinkle #8E82FE ΔE 0.069
- Dark Sky Blue #448EE4 ΔE 0.073
Use #729CFF 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.