#729EFE
Closest named color: Periwinkle Blue (#8F99FB). oklch(71% 0.149 264.3), rgb(114, 158, 254).
Aa
Black text reads best on this color (8.03:1).
About this color
#729EFE is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.149 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.035 away. Black text reads best on it, at 8.03:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.03:1 |
| White text | 2.61:1 |
Values
| HEX | #729EFE |
| RGB | rgb(114, 158, 254) |
| HSL | hsl(221, 99%, 72%) |
| OKLCH | oklch(71% 0.149 264.3) |
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 #729EFE | 2.61:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #729EFE | 8.03:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #729EFE text on white | 2.61:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #729EFE text on black | 8.03:1 | AAA | Lc -51.1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C8D9FC
oklch(88.4% 0.052 264.8)
-
Step 300
300
#A3C0FE
oklch(80.9% 0.094 265)
-
Step 400
400 (this color)
#729EFE
oklch(71% 0.149 264.3)
-
Step 500
500
#4D81FB
oklch(63.1% 0.19 264.3)
-
Step 600
600
#3366EA
oklch(55.5% 0.207 264.5)
-
Step 700
700
#2654CC
oklch(49.1% 0.193 264.3)
-
Step 800
800
#2046A4
oklch(42.7% 0.158 264.1)
-
Step 900
900
#1F3C82
oklch(37.7% 0.123 264.3)
-
Step 950
950
#12244C
oklch(27% 0.078 263.8)
#729EFE 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) | #76A7FF | 0.025 |
| Deuteranopia (no green cones) | #659AFC | 0.019 |
| Tritanopia (no blue cones) | #16B3C2 | 0.133 |
| Achromatopsia (no color) | #A0A0A0 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729EFE
#729EFE
oklch(71% 0.149 264.3)
- #CC9800
#CC9800
oklch(71% 0.146 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 #729EFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.054
- Perrywinkle #8F8CE7 ΔE 0.058
- Lavender Blue #8B88F8 ΔE 0.059
- Soft Blue #6488EA ΔE 0.065
- Periwinkle #8E82FE ΔE 0.074
- Dark Sky Blue #448EE4 ΔE 0.075
Use #729EFE 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.