#728CBA
Closest named color: Faded Blue (#658CBB). oklch(63.8% 0.076 261.6), rgb(114, 140, 186).
Aa
Black text reads best on this color (6.17:1).
About this color
#728CBA is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.076 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.016 away. Black text reads best on it, at 6.17:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.17:1 |
| White text | 3.40:1 |
Values
| HEX | #728CBA |
| RGB | rgb(114, 140, 186) |
| HSL | hsl(218, 34%, 59%) |
| OKLCH | oklch(63.8% 0.076 261.6) |
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 #728CBA | 3.40:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #728CBA | 6.17:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #728CBA text on white | 3.40:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #728CBA text on black | 6.17:1 | AA | Lc -40.2 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE7
oklch(88.6% 0.02 260.2)
-
Step 300
300
#B4C1D9
oklch(80.9% 0.037 262.8)
-
Step 400
400
#8CA1C6
oklch(70.6% 0.059 261.7)
-
Step 500
500 (this color)
#728CBA
oklch(63.8% 0.076 261.6)
-
Step 600
600
#5873A4
oklch(55.5% 0.083 261.9)
-
Step 700
700
#48618C
oklch(49.2% 0.076 260.9)
-
Step 800
800
#3B4F72
oklch(42.7% 0.064 261.2)
-
Step 900
900
#33425C
oklch(37.8% 0.049 261.1)
-
Step 950
950
#1E2736
oklch(27.1% 0.031 260.5)
#728CBA 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) | #7C8FBC | 0.016 |
| Deuteranopia (no green cones) | #7488B9 | 0.011 |
| Tritanopia (no blue cones) | #5A969C | 0.068 |
| Achromatopsia (no color) | #8B8B8B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728CBA
#728CBA
oklch(63.8% 0.076 261.6)
- #A38755
#A38755
oklch(63.8% 0.076 81.2)
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 #728CBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.016
- Silver Lake Blue #778DA9 ΔE 0.028
- Blue Grey #758DA3 ΔE 0.036
- Dusty Blue #5A86AD ΔE 0.040
- Off Blue #5684AE ΔE 0.045
- Light Slate Gray #778899 ΔE 0.049
- Lavender Gray #7E7F9A ΔE 0.052
- Cool Blue #4984B8 ΔE 0.054
Use #728CBA 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.