#729BF3
Closest named color: Cornflower Blue (#6495ED). oklch(69.8% 0.138 264.2), rgb(114, 155, 243).
Aa
Black text reads best on this color (7.69:1).
About this color
#729BF3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.138 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.025 away. Black text reads best on it, at 7.69:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.69:1 |
| White text | 2.72:1 |
Values
| HEX | #729BF3 |
| RGB | rgb(114, 155, 243) |
| HSL | hsl(221, 84%, 70%) |
| OKLCH | oklch(69.8% 0.138 264.2) |
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 #729BF3 | 2.72:1 | Fails | Lc -57.9 | Large or bold text, headings |
| Black text on #729BF3 | 7.69:1 | AAA | Lc 51.4 | Large or bold text, headings |
| #729BF3 text on white | 2.72:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #729BF3 text on black | 7.69:1 | AAA | Lc -49.2 | 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
#C9DAFA
oklch(88.6% 0.048 263.1)
-
Step 300
300
#A5C1F9
oklch(81% 0.085 263.9)
-
Step 400
400 (this color)
#729BF3
oklch(69.8% 0.138 264.2)
-
Step 500
500
#5283F2
oklch(63.2% 0.175 264.1)
-
Step 600
600
#3869E1
oklch(55.6% 0.191 264.3)
-
Step 700
700
#2B57C4
oklch(49.2% 0.178 264.2)
-
Step 800
800
#24479E
oklch(42.6% 0.148 264.4)
-
Step 900
900
#213D7E
oklch(37.7% 0.115 264.1)
-
Step 950
950
#142449
oklch(26.9% 0.072 264.5)
#729BF3 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) | #78A3F7 | 0.023 |
| Deuteranopia (no green cones) | #6897F1 | 0.016 |
| Tritanopia (no blue cones) | #2DAEBB | 0.124 |
| Achromatopsia (no color) | #9D9D9D | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729BF3
#729BF3
oklch(69.8% 0.138 264.2)
- #C69519
#C69519
oklch(69.8% 0.138 83.8)
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 #729BF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.025
- Periwinkle Blue #8F99FB ΔE 0.038
- Chefchaouen Blue #4895EF ΔE 0.046
- Perrywinkle #8F8CE7 ΔE 0.049
- Soft Blue #6488EA ΔE 0.054
- Lavender Blue #8B88F8 ΔE 0.056
- Dark Sky Blue #448EE4 ΔE 0.064
- Periwinkle #8E82FE ΔE 0.073
Use #729BF3 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.