#728FE0
Closest named color: Cornflower Blue (#6495ED). oklch(66.3% 0.125 268), rgb(114, 143, 224).
Aa
Black text reads best on this color (6.72:1).
About this color
#728FE0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.125 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.025 away. Black text reads best on it, at 6.72:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.72:1 |
| White text | 3.12:1 |
Values
| HEX | #728FE0 |
| RGB | rgb(114, 143, 224) |
| HSL | hsl(224, 64%, 66%) |
| OKLCH | oklch(66.3% 0.125 268) |
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 #728FE0 | 3.12:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #728FE0 | 6.72:1 | AA | Lc 45.9 | Large or bold text, headings |
| #728FE0 text on white | 3.12:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #728FE0 text on black | 6.72:1 | AA | Lc -43.6 | 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
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#CFD9F0
oklch(88.5% 0.033 266.9)
-
Step 300
300
#AFC0E9
oklch(80.9% 0.061 267.4)
-
Step 400
400
#869EDE
oklch(70.6% 0.098 268.1)
-
Step 500
500 (this color)
#728FE0
oklch(66.3% 0.125 268)
-
Step 600
600
#516DC3
oklch(55.6% 0.137 268.2)
-
Step 700
700
#425BA8
oklch(49.1% 0.127 268)
-
Step 800
800
#364B88
oklch(42.8% 0.104 267.6)
-
Step 900
900
#2F3F6D
oklch(37.8% 0.082 267.9)
-
Step 950
950
#1B2540
oklch(27% 0.052 267.5)
#728FE0 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) | #7097E3 | 0.021 |
| Deuteranopia (no green cones) | #648DDE | 0.018 |
| Tritanopia (no blue cones) | #43A0AD | 0.112 |
| Achromatopsia (no color) | #929292 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728FE0
#728FE0
oklch(66.3% 0.125 268)
- #B38E22
#B38E22
oklch(66.4% 0.125 88.3)
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 #728FE0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.025
- Soft Blue #6488EA ΔE 0.032
- Perrywinkle #8F8CE7 ΔE 0.040
- Chefchaouen Blue #4895EF ΔE 0.044
- Dark Sky Blue #448EE4 ΔE 0.047
- Lavender Blue #8B88F8 ΔE 0.054
- Faded Blue #658CBB ΔE 0.059
- Periwinkle Blue #8F99FB ΔE 0.061
Use #728FE0 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.