#728DF4
Closest named color: Soft Blue (#6488EA). oklch(67% 0.155 270.7), rgb(114, 141, 244).
Aa
Black text reads best on this color (6.83:1).
About this color
#728DF4 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.155 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.026 away. Black text reads best on it, at 6.83:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.83:1 |
| White text | 3.07:1 |
Values
| HEX | #728DF4 |
| RGB | rgb(114, 141, 244) |
| HSL | hsl(228, 86%, 70%) |
| OKLCH | oklch(67% 0.155 270.7) |
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 #728DF4 | 3.07:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #728DF4 | 6.83:1 | AA | Lc 46.6 | Large or bold text, headings |
| #728DF4 text on white | 3.07:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #728DF4 text on black | 6.83:1 | AA | Lc -44.3 | Non-text elements, placeholder text |
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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CBD8FE
oklch(88.5% 0.054 270.4)
-
Step 300
300
#A9BEFF
oklch(80.9% 0.095 270.4)
-
Step 400
400 (this color)
#728DF4
oklch(67% 0.155 270.7)
-
Step 500
500
#5F7BFF
oklch(63.1% 0.198 270.7)
-
Step 600
600
#485FEF
oklch(55.6% 0.216 270.6)
-
Step 700
700
#3B4DD0
oklch(49.1% 0.201 270.8)
-
Step 800
800
#3040A8
oklch(42.6% 0.167 270.8)
-
Step 900
900
#293885
oklch(37.6% 0.13 270.6)
-
Step 950
950
#18224E
oklch(27.1% 0.082 270.4)
#728DF4 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) | #6199F8 | 0.033 |
| Deuteranopia (no green cones) | #528EF2 | 0.034 |
| Tritanopia (no blue cones) | #30A3B5 | 0.138 |
| Achromatopsia (no color) | #939393 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728DF4
#728DF4
oklch(67% 0.155 270.7)
- #B59100
#B59100
oklch(67.1% 0.137 91)
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 #728DF4, closest first.
No curated palette has a color within ΔE 0.04 of #728DF4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.026
- Cornflower Blue #6495ED ΔE 0.028
- Lavender Blue #8B88F8 ΔE 0.034
- Perrywinkle #8F8CE7 ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.045
- Periwinkle #8E82FE ΔE 0.047
- Periwinkle Blue #8F99FB ΔE 0.052
- Cornflower #6A79F7 ΔE 0.053
Use #728DF4 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.