#728FB0
Closest named color: Silver Lake Blue (#778DA9). oklch(64% 0.06 252), rgb(114, 143, 176).
Aa
Black text reads best on this color (6.27:1).
About this color
#728FB0 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.060 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.011 away. Black text reads best on it, at 6.27:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.27:1 |
| White text | 3.34:1 |
Values
| HEX | #728FB0 |
| RGB | rgb(114, 143, 176) |
| HSL | hsl(212, 28%, 57%) |
| OKLCH | oklch(64% 0.06 252) |
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 #728FB0 | 3.34:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #728FB0 | 6.27:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #728FB0 text on white | 3.34:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #728FB0 text on black | 6.27:1 | 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
#B3C2D3
oklch(80.8% 0.029 251.5)
-
Step 400
400
#8CA3BE
oklch(70.7% 0.047 252.6)
-
Step 500
500 (this color)
#728FB0
oklch(64% 0.06 252)
-
Step 600
600
#577699
oklch(55.6% 0.065 252)
-
Step 700
700
#476382
oklch(49.1% 0.06 251.6)
-
Step 800
800
#3B516A
oklch(42.8% 0.05 252.1)
-
Step 900
900
#324356
oklch(37.7% 0.039 251.6)
-
Step 950
950
#1E2732
oklch(26.9% 0.024 253.7)
#728FB0 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) | #8390B2 | 0.023 |
| Deuteranopia (no green cones) | #7B8AAF | 0.017 |
| Tritanopia (no blue cones) | #5E969A | 0.051 |
| Achromatopsia (no color) | #8C8C8C | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728FB0
#728FB0
oklch(64% 0.06 252)
- #A38764
#A38764
oklch(64.1% 0.06 72.7)
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 #728FB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.011
- Blue Grey #758DA3 ΔE 0.019
- Faded Blue #658CBB ΔE 0.026
- Light Slate Gray #778899 ΔE 0.035
- Dusty Blue #5A86AD ΔE 0.041
- Steel #738595 ΔE 0.043
- Lavender Gray #7E7F9A ΔE 0.048
- Cool Gray #8D99AE ΔE 0.048
Use #728FB0 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.