#728FAE
Closest named color: Silver Lake Blue (#778DA9). oklch(63.9% 0.057 250.4), rgb(114, 143, 174).
Aa
Black text reads best on this color (6.25:1).
About this color
#728FAE is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.057 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.009 away. Black text reads best on it, at 6.25:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #728FAE |
| RGB | rgb(114, 143, 174) |
| HSL | hsl(211, 27%, 56%) |
| OKLCH | oklch(63.9% 0.057 250.4) |
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 #728FAE | 3.35:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #728FAE | 6.25:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #728FAE text on white | 3.35:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #728FAE text on black | 6.25:1 | AA | Lc -40.7 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B4C2D2
oklch(80.8% 0.027 251.7)
-
Step 400
400
#8CA3BC
oklch(70.6% 0.045 250.6)
-
Step 500
500 (this color)
#728FAE
oklch(63.9% 0.057 250.4)
-
Step 600
600
#577697
oklch(55.5% 0.063 250.5)
-
Step 700
700
#476381
oklch(49% 0.059 250.8)
-
Step 800
800
#3B5169
oklch(42.7% 0.048 251.1)
-
Step 900
900
#334355
oklch(37.7% 0.037 251.8)
-
Step 950
950
#1E2732
oklch(26.9% 0.024 253.7)
#728FAE 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) | #8390AF | 0.023 |
| Deuteranopia (no green cones) | #7C89AD | 0.020 |
| Tritanopia (no blue cones) | #5F9699 | 0.049 |
| Achromatopsia (no color) | #8C8C8C | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728FAE
#728FAE
oklch(63.9% 0.057 250.4)
- #A38666
#A38666
oklch(63.9% 0.057 69.3)
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 #728FAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.009
- Blue Grey #758DA3 ΔE 0.016
- Faded Blue #658CBB ΔE 0.028
- Light Slate Gray #778899 ΔE 0.032
- Steel #738595 ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.041
- Lavender Gray #7E7F9A ΔE 0.047
- Cool Gray #8D99AE ΔE 0.048
Use #728FAE 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.