#729CDD
Closest named color: Cornflower Blue (#6495ED). oklch(68.9% 0.107 258.9), rgb(114, 156, 221).
Aa
Black text reads best on this color (7.51:1).
About this color
#729CDD is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.107 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.038 away. Black text reads best on it, at 7.51:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.51:1 |
| White text | 2.79:1 |
Values
| HEX | #729CDD |
| RGB | rgb(114, 156, 221) |
| HSL | hsl(216, 61%, 66%) |
| OKLCH | oklch(68.9% 0.107 258.9) |
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 #729CDD | 2.79:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #729CDD | 7.51:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #729CDD text on white | 2.79:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #729CDD text on black | 7.51:1 | AAA | Lc -48.1 | 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
#E2EAF7
oklch(93.5% 0.02 260.2)
-
Step 200
200
#CBDAF2
oklch(88.5% 0.037 259.8)
-
Step 300
300
#A7C2EC
oklch(80.8% 0.067 259.1)
-
Step 400
400 (this color)
#729CDD
oklch(68.9% 0.107 258.9)
-
Step 500
500
#5489DB
oklch(63.1% 0.137 258.8)
-
Step 600
600
#3871C9
oklch(55.6% 0.149 258.9)
-
Step 700
700
#2B5EAD
oklch(49% 0.138 259)
-
Step 800
800
#244D8C
oklch(42.6% 0.114 258.8)
-
Step 900
900
#224170
oklch(37.7% 0.089 258.5)
-
Step 950
950
#152642
oklch(27% 0.057 259.9)
#729CDD 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) | #83A0E0 | 0.024 |
| Deuteranopia (no green cones) | #7796DC | 0.016 |
| Tritanopia (no blue cones) | #43AAB3 | 0.095 |
| Achromatopsia (no color) | #9B9B9B | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729CDD
#729CDD
oklch(68.9% 0.107 258.9)
- #BF9347
#BF9347
oklch(69% 0.108 79)
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 #729CDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.038
- Chefchaouen Blue #4895EF ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.058
- Periwinkle Blue #8F99FB ΔE 0.060
- Faded Blue #658CBB ΔE 0.064
- Soft Blue #6488EA ΔE 0.065
- Dark Sky Blue #448EE4 ΔE 0.065
- Greyblue #77A1B5 ΔE 0.066
Use #729CDD 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.