#728FB8
Closest named color: Faded Blue (#658CBB). oklch(64.4% 0.07 257.1), rgb(114, 143, 184).
Aa
Black text reads best on this color (6.33:1).
About this color
#728FB8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 64%, its chroma 0.070 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.020 away. Black text reads best on it, at 6.33:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.33:1 |
| White text | 3.31:1 |
Values
| HEX | #728FB8 |
| RGB | rgb(114, 143, 184) |
| HSL | hsl(215, 33%, 58%) |
| OKLCH | oklch(64.4% 0.07 257.1) |
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 #728FB8 | 3.31:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #728FB8 | 6.33:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #728FB8 text on white | 3.31:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #728FB8 text on black | 6.33:1 | AA | Lc -41.2 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B3C2D7
oklch(80.9% 0.034 256.8)
-
Step 400
400
#8BA2C3
oklch(70.6% 0.055 257.4)
-
Step 500
500 (this color)
#728FB8
oklch(64.4% 0.07 257.1)
-
Step 600
600
#5675A0
oklch(55.7% 0.076 256.7)
-
Step 700
700
#466289
oklch(49.1% 0.071 256.8)
-
Step 800
800
#3A506F
oklch(42.7% 0.059 257)
-
Step 900
900
#32425A
oklch(37.6% 0.046 258.3)
-
Step 950
950
#1D2735
oklch(27% 0.03 256.9)
#728FB8 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) | #8091BA | 0.020 |
| Deuteranopia (no green cones) | #788AB7 | 0.015 |
| Tritanopia (no blue cones) | #5B989D | 0.062 |
| Achromatopsia (no color) | #8D8D8D | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728FB8
#728FB8
oklch(64.4% 0.07 257.1)
- #A5885C
#A5885C
oklch(64.3% 0.07 77.4)
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 #728FB8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.020
- Silver Lake Blue #778DA9 ΔE 0.022
- Blue Grey #758DA3 ΔE 0.031
- Dusty Blue #5A86AD ΔE 0.043
- Light Slate Gray #778899 ΔE 0.046
- Off Blue #5684AE ΔE 0.049
- Cool Gray #8D99AE ΔE 0.052
- Steel #738595 ΔE 0.053
Use #728FB8 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.