#728AEF
Closest named color: Soft Blue (#6488EA). oklch(66.1% 0.152 271.6), rgb(114, 138, 239).
Aa
Black text reads best on this color (6.59:1).
About this color
#728AEF is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.152 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.020 away. Black text reads best on it, at 6.59:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.59:1 |
| White text | 3.18:1 |
Values
| HEX | #728AEF |
| RGB | rgb(114, 138, 239) |
| HSL | hsl(228, 80%, 69%) |
| OKLCH | oklch(66.1% 0.152 271.6) |
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 #728AEF | 3.18:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #728AEF | 6.59:1 | AA | Lc 45.2 | Large or bold text, headings |
| #728AEF text on white | 3.18:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #728AEF text on black | 6.59:1 | AA | Lc -42.9 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300
#AFBEF2
oklch(80.8% 0.076 272.1)
-
Step 400
400
#869BEB
oklch(70.6% 0.12 271.8)
-
Step 500
500 (this color)
#728AEF
oklch(66.1% 0.152 271.6)
-
Step 600
600
#5368D3
oklch(55.7% 0.165 271.7)
-
Step 700
700
#4356B7
oklch(49.2% 0.154 271.3)
-
Step 800
800
#374794
oklch(42.8% 0.127 271.2)
-
Step 900
900
#2F3C76
oklch(37.7% 0.1 271.4)
-
Step 950
950
#1C2445
oklch(27.1% 0.062 271.5)
#728AEF 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) | #6096F3 | 0.034 |
| Deuteranopia (no green cones) | #528BED | 0.035 |
| Tritanopia (no blue cones) | #36A0B1 | 0.136 |
| Achromatopsia (no color) | #909090 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728AEF
#728AEF
oklch(66.1% 0.152 271.6)
- #B18E00
#B18E00
oklch(66% 0.135 91.2)
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 #728AEF, closest first.
No curated palette has a color within ΔE 0.04 of #728AEF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.020
- Cornflower Blue #6495ED ΔE 0.031
- Lavender Blue #8B88F8 ΔE 0.036
- Perrywinkle #8F8CE7 ΔE 0.041
- Chefchaouen Blue #4895EF ΔE 0.047
- Periwinkle #8E82FE ΔE 0.048
- Cornflower #6A79F7 ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.051
Use #728AEF 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.