#728BE0
Closest named color: Soft Blue (#6488EA). oklch(65.5% 0.13 270.1), rgb(114, 139, 224).
Aa
Black text reads best on this color (6.48:1).
About this color
#728BE0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.130 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.025 away. Black text reads best on it, at 6.48:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.48:1 |
| White text | 3.23:1 |
Values
| HEX | #728BE0 |
| RGB | rgb(114, 139, 224) |
| HSL | hsl(226, 64%, 66%) |
| OKLCH | oklch(65.5% 0.13 270.1) |
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 #728BE0 | 3.23:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #728BE0 | 6.48:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #728BE0 text on white | 3.23:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #728BE0 text on black | 6.48:1 | AA | Lc -42.2 | 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 500.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B0BFEB
oklch(80.8% 0.065 270.2)
-
Step 400
400
#889DE1
oklch(70.7% 0.103 270.5)
-
Step 500
500 (this color)
#728BE0
oklch(65.5% 0.13 270.1)
-
Step 600
600
#546CC5
oklch(55.7% 0.14 270)
-
Step 700
700
#4459AB
oklch(49% 0.133 270.1)
-
Step 800
800
#38498A
oklch(42.6% 0.109 270.2)
-
Step 900
900
#303E6E
oklch(37.7% 0.084 269.8)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#728BE0 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) | #6A94E3 | 0.024 |
| Deuteranopia (no green cones) | #5F8ADE | 0.023 |
| Tritanopia (no blue cones) | #449DAB | 0.116 |
| Achromatopsia (no color) | #8F8F8F | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728BE0
#728BE0
oklch(65.5% 0.13 270.1)
- #AF8C10
#AF8C10
oklch(65.4% 0.13 90.3)
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 #728BE0, closest first.
No curated palette has a color within ΔE 0.04 of #728BE0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.025
- Cornflower Blue #6495ED ΔE 0.031
- Perrywinkle #8F8CE7 ΔE 0.041
- Dark Sky Blue #448EE4 ΔE 0.046
- Chefchaouen Blue #4895EF ΔE 0.047
- Lavender Blue #8B88F8 ΔE 0.051
- Faded Blue #658CBB ΔE 0.061
- Cornflower #6A79F7 ΔE 0.063
Use #728BE0 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.