#728FAF
Closest named color: Silver Lake Blue (#778DA9). oklch(64% 0.058 251.2), rgb(114, 143, 175).
Aa
Black text reads best on this color (6.26:1).
About this color
#728FAF is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.058 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.010 away. Black text reads best on it, at 6.26:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.26:1 |
| White text | 3.35:1 |
Values
| HEX | #728FAF |
| RGB | rgb(114, 143, 175) |
| HSL | hsl(211, 28%, 57%) |
| OKLCH | oklch(64% 0.058 251.2) |
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 #728FAF | 3.35:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #728FAF | 6.26:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #728FAF text on white | 3.35:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #728FAF text on black | 6.26:1 | AA | Lc -40.8 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B4C2D3
oklch(80.9% 0.029 253.3)
-
Step 400
400
#8CA3BD
oklch(70.7% 0.046 251.6)
-
Step 500
500 (this color)
#728FAF
oklch(64% 0.058 251.2)
-
Step 600
600
#577698
oklch(55.6% 0.064 251.3)
-
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)
#728FAF 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) | #8390B1 | 0.023 |
| Deuteranopia (no green cones) | #7C8AAE | 0.018 |
| Tritanopia (no blue cones) | #5F969A | 0.049 |
| Achromatopsia (no color) | #8C8C8C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728FAF
#728FAF
oklch(64% 0.058 251.2)
- #A38765
#A38765
oklch(64.1% 0.059 71.9)
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 #728FAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.010
- Blue Grey #758DA3 ΔE 0.018
- Faded Blue #658CBB ΔE 0.027
- Light Slate Gray #778899 ΔE 0.033
- Dusty Blue #5A86AD ΔE 0.041
- Steel #738595 ΔE 0.042
- Lavender Gray #7E7F9A ΔE 0.047
- Cool Gray #8D99AE ΔE 0.048
Use #728FAF 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.