#729DEE
Closest named color: Cornflower Blue (#6495ED). oklch(69.9% 0.129 262.3), rgb(114, 157, 238).
Aa
Black text reads best on this color (7.77:1).
About this color
#729DEE is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.129 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.028 away. Black text reads best on it, at 7.77:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.77:1 |
| White text | 2.70:1 |
Values
| HEX | #729DEE |
| RGB | rgb(114, 157, 238) |
| HSL | hsl(219, 78%, 69%) |
| OKLCH | oklch(69.9% 0.129 262.3) |
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 #729DEE | 2.70:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #729DEE | 7.77:1 | AAA | Lc 51.8 | Large or bold text, headings |
| #729DEE text on white | 2.70:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #729DEE text on black | 7.77:1 | AAA | Lc -49.6 | 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
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A5C1F5
oklch(80.9% 0.08 262.6)
-
Step 400
400 (this color)
#729DEE
oklch(69.9% 0.129 262.3)
-
Step 500
500
#5085EC
oklch(63.1% 0.165 262.2)
-
Step 600
600
#356CDA
oklch(55.6% 0.179 262.3)
-
Step 700
700
#2859BD
oklch(49% 0.167 262.4)
-
Step 800
800
#224A99
oklch(42.8% 0.137 262.1)
-
Step 900
900
#203E7A
oklch(37.6% 0.108 262.4)
-
Step 950
950
#132547
oklch(26.9% 0.068 261.9)
#729DEE 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) | #7DA4F1 | 0.024 |
| Deuteranopia (no green cones) | #6E98EC | 0.015 |
| Tritanopia (no blue cones) | #33AFBA | 0.116 |
| Achromatopsia (no color) | #9D9D9D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729DEE
#729DEE
oklch(69.9% 0.129 262.3)
- #C6952E
#C6952E
oklch(69.9% 0.128 81.7)
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 #729DEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.028
- Periwinkle Blue #8F99FB ΔE 0.043
- Chefchaouen Blue #4895EF ΔE 0.049
- Perrywinkle #8F8CE7 ΔE 0.052
- Soft Blue #6488EA ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.066
- Carolina Blue #8AB8FE ΔE 0.080
Use #729DEE 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.