#729FEE
Closest named color: Cornflower Blue (#6495ED). oklch(70.4% 0.126 261.1), rgb(114, 159, 238).
Aa
Black text reads best on this color (7.90:1).
About this color
#729FEE is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.126 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.033 away. Black text reads best on it, at 7.90:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.90:1 |
| White text | 2.65:1 |
Values
| HEX | #729FEE |
| RGB | rgb(114, 159, 238) |
| HSL | hsl(218, 78%, 69%) |
| OKLCH | oklch(70.4% 0.126 261.1) |
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 #729FEE | 2.65:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #729FEE | 7.90:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #729FEE text on white | 2.65:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #729FEE text on black | 7.90:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF7
oklch(88.5% 0.044 261.2)
-
Step 300
300
#A4C2F4
oklch(81% 0.078 260.5)
-
Step 400
400 (this color)
#729FEE
oklch(70.4% 0.126 261.1)
-
Step 500
500
#4E86EA
oklch(63.1% 0.162 261)
-
Step 600
600
#326DD8
oklch(55.5% 0.176 261.1)
-
Step 700
700
#255BBB
oklch(49.2% 0.162 260.9)
-
Step 800
800
#204B98
oklch(42.8% 0.135 261)
-
Step 900
900
#1F3F79
oklch(37.7% 0.106 261.2)
-
Step 950
950
#132547
oklch(26.9% 0.068 261.9)
#729FEE 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) | #80A5F1 | 0.024 |
| Deuteranopia (no green cones) | #7199EC | 0.016 |
| Tritanopia (no blue cones) | #32B0BC | 0.112 |
| Achromatopsia (no color) | #9F9F9F | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729FEE
#729FEE
oklch(70.4% 0.126 261.1)
- #C79633
#C79633
oklch(70.3% 0.126 81.1)
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 #729FEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.033
- Periwinkle Blue #8F99FB ΔE 0.044
- Chefchaouen Blue #4895EF ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.056
- Soft Blue #6488EA ΔE 0.065
- Lavender Blue #8B88F8 ΔE 0.068
- Dark Sky Blue #448EE4 ΔE 0.069
- Carolina Blue #8AB8FE ΔE 0.075
Use #729FEE 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.