#728CA8
Closest named color: Silver Lake Blue (#778DA9). oklch(63% 0.052 250.5), rgb(114, 140, 168).
Aa
Black text reads best on this color (6.03:1).
About this color
#728CA8 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.052 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.007 away. Black text reads best on it, at 6.03:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.03:1 |
| White text | 3.48:1 |
Values
| HEX | #728CA8 |
| RGB | rgb(114, 140, 168) |
| HSL | hsl(211, 24%, 55%) |
| OKLCH | oklch(63% 0.052 250.5) |
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 #728CA8 | 3.48:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #728CA8 | 6.03:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #728CA8 text on white | 3.48:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #728CA8 text on black | 6.03:1 | AA | Lc -39.3 | 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
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B5C2D1
oklch(80.9% 0.026 251.9)
-
Step 400
400
#8EA3BA
oklch(70.7% 0.041 250.8)
-
Step 500
500 (this color)
#728CA8
oklch(63% 0.052 250.5)
-
Step 600
600
#5A7694
oklch(55.6% 0.057 250.6)
-
Step 700
700
#4A637E
oklch(49.1% 0.053 250.8)
-
Step 800
800
#3D5166
oklch(42.7% 0.043 250.1)
-
Step 900
900
#344353
oklch(37.7% 0.034 250.4)
-
Step 950
950
#1F2731
oklch(27% 0.022 254.2)
#728CA8 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) | #828DA9 | 0.022 |
| Deuteranopia (no green cones) | #7B87A7 | 0.017 |
| Tritanopia (no blue cones) | #629295 | 0.044 |
| Achromatopsia (no color) | #898989 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728CA8
#728CA8
oklch(63% 0.052 250.5)
- #9E8467
#9E8467
oklch(63% 0.052 69.7)
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 #728CA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.007
- Blue Grey #758DA3 ΔE 0.010
- Light Slate Gray #778899 ΔE 0.022
- Steel #738595 ΔE 0.030
- Faded Blue #658CBB ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.037
- Lavender Gray #7E7F9A ΔE 0.038
- Slate Gray #708090 ΔE 0.043
Use #728CA8 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.