#728EB5
Closest named color: Silver Lake Blue (#778DA9). oklch(64% 0.067 256.7), rgb(114, 142, 181).
Aa
Black text reads best on this color (6.25:1).
About this color
#728EB5 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.067 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.018 away. Black text reads best on it, at 6.25:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #728EB5 |
| RGB | rgb(114, 142, 181) |
| HSL | hsl(215, 31%, 58%) |
| OKLCH | oklch(64% 0.067 256.7) |
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 #728EB5 | 3.35:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #728EB5 | 6.25:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #728EB5 text on white | 3.35:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #728EB5 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B3C2D6
oklch(80.9% 0.033 255.6)
-
Step 400
400
#8CA2C2
oklch(70.7% 0.053 257.7)
-
Step 500
500 (this color)
#728EB5
oklch(64% 0.067 256.7)
-
Step 600
600
#57759E
oklch(55.6% 0.073 256.4)
-
Step 700
700
#476287
oklch(49.1% 0.068 256.4)
-
Step 800
800
#3B506E
oklch(42.7% 0.057 257.3)
-
Step 900
900
#324359
oklch(37.8% 0.044 255.1)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#728EB5 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) | #8090B7 | 0.020 |
| Deuteranopia (no green cones) | #7889B4 | 0.015 |
| Tritanopia (no blue cones) | #5C969B | 0.059 |
| Achromatopsia (no color) | #8C8C8C | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728EB5
#728EB5
oklch(64% 0.067 256.7)
- #A3875D
#A3875D
oklch(63.9% 0.067 77.2)
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 #728EB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.018
- Faded Blue #658CBB ΔE 0.020
- Blue Grey #758DA3 ΔE 0.027
- Dusty Blue #5A86AD ΔE 0.040
- Light Slate Gray #778899 ΔE 0.041
- Off Blue #5684AE ΔE 0.047
- Steel #738595 ΔE 0.048
- Lavender Gray #7E7F9A ΔE 0.050
Use #728EB5 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.