#729AEF
Closest named color: Cornflower Blue (#6495ED). oklch(69.4% 0.133 264.1), rgb(114, 154, 239).
Aa
Black text reads best on this color (7.58:1).
About this color
#729AEF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.133 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.022 away. Black text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.58:1 |
| White text | 2.76:1 |
Values
| HEX | #729AEF |
| RGB | rgb(114, 154, 239) |
| HSL | hsl(221, 80%, 69%) |
| OKLCH | oklch(69.4% 0.133 264.1) |
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 #729AEF | 2.76:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #729AEF | 7.58:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #729AEF text on white | 2.76:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #729AEF text on black | 7.58:1 | AAA | Lc -48.6 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CADAF9
oklch(88.6% 0.046 263.7)
-
Step 300
300
#A6C1F7
oklch(81% 0.082 264)
-
Step 400
400 (this color)
#729AEF
oklch(69.4% 0.133 264.1)
-
Step 500
500
#5383EF
oklch(63% 0.17 264.1)
-
Step 600
600
#396ADE
oklch(55.6% 0.185 264)
-
Step 700
700
#2C57C1
oklch(49% 0.173 264.3)
-
Step 800
800
#25489C
oklch(42.7% 0.143 264.2)
-
Step 900
900
#223D7C
oklch(37.6% 0.112 264.3)
-
Step 950
950
#142448
oklch(26.8% 0.07 264.2)
#729AEF 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) | #78A2F2 | 0.023 |
| Deuteranopia (no green cones) | #6A96ED | 0.015 |
| Tritanopia (no blue cones) | #32ACB9 | 0.119 |
| Achromatopsia (no color) | #9B9B9B | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729AEF
#729AEF
oklch(69.4% 0.133 264.1)
- #C39421
#C39421
oklch(69.3% 0.133 84)
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 #729AEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.022
- Periwinkle Blue #8F99FB ΔE 0.041
- Chefchaouen Blue #4895EF ΔE 0.045
- Perrywinkle #8F8CE7 ΔE 0.047
- Soft Blue #6488EA ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.061
- Periwinkle #8E82FE ΔE 0.074
Use #729AEF 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.