#728FF4
Closest named color: Cornflower Blue (#6495ED). oklch(67.4% 0.153 269.9), rgb(114, 143, 244).
Aa
Black text reads best on this color (6.95:1).
About this color
#728FF4 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.153 and its hue 270°. 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 6.95:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.95:1 |
| White text | 3.02:1 |
Values
| HEX | #728FF4 |
| RGB | rgb(114, 143, 244) |
| HSL | hsl(227, 86%, 70%) |
| OKLCH | oklch(67.4% 0.153 269.9) |
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 #728FF4 | 3.02:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #728FF4 | 6.95:1 | AA | Lc 47.3 | Large or bold text, headings |
| #728FF4 text on white | 3.02:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #728FF4 text on black | 6.95:1 | AA | Lc -45.0 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2E9FD
oklch(93.5% 0.028 270.4)
-
Step 200
200
#CBD8FD
oklch(88.4% 0.053 270)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400 (this color)
#728FF4
oklch(67.4% 0.153 269.9)
-
Step 500
500
#5D7CFE
oklch(63.1% 0.196 269.9)
-
Step 600
600
#4661ED
oklch(55.6% 0.212 269.8)
-
Step 700
700
#394FCE
oklch(49.2% 0.197 269.9)
-
Step 800
800
#2E41A7
oklch(42.6% 0.165 269.8)
-
Step 900
900
#283984
oklch(37.7% 0.127 269.7)
-
Step 950
950
#17224D
oklch(26.9% 0.081 269.5)
#728FF4 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) | #659AF8 | 0.029 |
| Deuteranopia (no green cones) | #568FF2 | 0.030 |
| Tritanopia (no blue cones) | #2FA5B6 | 0.136 |
| Achromatopsia (no color) | #949494 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728FF4
#728FF4
oklch(67.4% 0.153 269.9)
- #B79100
#B79100
oklch(67.3% 0.138 90)
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 #728FF4, 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 0.029
- Lavender Blue #8B88F8 ΔE 0.036
- Perrywinkle #8F8CE7 ΔE 0.041
- Chefchaouen Blue #4895EF ΔE 0.044
- Periwinkle Blue #8F99FB ΔE 0.048
- Periwinkle #8E82FE ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.054
Use #728FF4 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.