#729DDF
Closest named color: Cornflower Blue (#6495ED). oklch(69.2% 0.109 258.7), rgb(114, 157, 223).
Aa
Black text reads best on this color (7.60:1).
About this color
#729DDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.109 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.037 away. Black text reads best on it, at 7.60:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.60:1 |
| White text | 2.76:1 |
Values
| HEX | #729DDF |
| RGB | rgb(114, 157, 223) |
| HSL | hsl(216, 63%, 66%) |
| OKLCH | oklch(69.2% 0.109 258.7) |
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 #729DDF | 2.76:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #729DDF | 7.60:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #729DDF text on white | 2.76:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #729DDF text on black | 7.60:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADAF3
oklch(88.4% 0.039 259.3)
-
Step 300
300
#A6C2ED
oklch(80.8% 0.068 258.9)
-
Step 400
400 (this color)
#729DDF
oklch(69.2% 0.109 258.7)
-
Step 500
500
#5389DC
oklch(63.1% 0.138 258.7)
-
Step 600
600
#3771CA
oklch(55.6% 0.151 258.8)
-
Step 700
700
#295EAF
oklch(49.1% 0.141 258.9)
-
Step 800
800
#234D8D
oklch(42.6% 0.116 258.7)
-
Step 900
900
#224171
oklch(37.8% 0.09 258.9)
-
Step 950
950
#142642
oklch(26.9% 0.058 258.9)
#729DDF 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) | #84A1E2 | 0.025 |
| Deuteranopia (no green cones) | #7797DE | 0.016 |
| Tritanopia (no blue cones) | #41ABB4 | 0.097 |
| Achromatopsia (no color) | #9C9C9C | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729DDF
#729DDF
oklch(69.2% 0.109 258.7)
- #C09347
#C09347
oklch(69.1% 0.108 78.4)
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 #729DDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.059
- Soft Blue #6488EA ΔE 0.066
- Dark Sky Blue #448EE4 ΔE 0.066
- Faded Blue #658CBB ΔE 0.067
- Greyblue #77A1B5 ΔE 0.068
Use #729DDF 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.