#728FD4
Closest named color: Cornflower Blue (#6495ED). oklch(65.7% 0.109 266.1), rgb(114, 143, 212).
Aa
Black text reads best on this color (6.59:1).
About this color
#728FD4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.109 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.039 away. Black text reads best on it, at 6.59:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 6.59:1 |
| White text | 3.18:1 |
Values
| HEX | #728FD4 |
| RGB | rgb(114, 143, 212) |
| HSL | hsl(222, 53%, 64%) |
| OKLCH | oklch(65.7% 0.109 266.1) |
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 #728FD4 | 3.18:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #728FD4 | 6.59:1 | AA | Lc 45.1 | Large or bold text, headings |
| #728FD4 text on white | 3.18:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #728FD4 text on black | 6.59:1 | AA | Lc -42.8 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9ED
oklch(88.5% 0.029 266.4)
-
Step 300
300
#B1C1E4
oklch(81% 0.053 265.8)
-
Step 400
400
#88A0D6
oklch(70.8% 0.084 265.8)
-
Step 500
500 (this color)
#728FD4
oklch(65.7% 0.109 266.1)
-
Step 600
600
#5370B8
oklch(55.6% 0.117 266.1)
-
Step 700
700
#435D9F
oklch(49% 0.111 266.2)
-
Step 800
800
#374C81
oklch(42.6% 0.092 266.3)
-
Step 900
900
#304067
oklch(37.7% 0.07 266.2)
-
Step 950
950
#1C263C
oklch(27.1% 0.044 265)
#728FD4 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) | #7695D7 | 0.017 |
| Deuteranopia (no green cones) | #6B8CD2 | 0.013 |
| Tritanopia (no blue cones) | #4C9EA8 | 0.098 |
| Achromatopsia (no color) | #909090 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728FD4
#728FD4
oklch(65.7% 0.109 266.1)
- #AF8C39
#AF8C39
oklch(65.7% 0.109 85.9)
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 #728FD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.039
- Faded Blue #658CBB ΔE 0.042
- Soft Blue #6488EA ΔE 0.045
- Perrywinkle #8F8CE7 ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.064
- Lavender Blue #8B88F8 ΔE 0.069
Use #728FD4 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.