#728CA0
Closest named color: Blue Grey (#758DA3). oklch(62.7% 0.042 241.5), rgb(114, 140, 160).
Aa
Black text reads best on this color (5.97:1).
About this color
#728CA0 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.042 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.007 away. Black text reads best on it, at 5.97:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 5.97:1 |
| White text | 3.51:1 |
Values
| HEX | #728CA0 |
| RGB | rgb(114, 140, 160) |
| HSL | hsl(206, 19%, 54%) |
| OKLCH | oklch(62.7% 0.042 241.5) |
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 #728CA0 | 3.51:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #728CA0 | 5.97:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #728CA0 text on white | 3.51:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #728CA0 text on black | 5.97:1 | AA | Lc -39.0 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAED
oklch(93.5% 0.006 239.8)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B5C3CD
oklch(80.9% 0.021 238.7)
-
Step 400
400
#8FA4B4
oklch(70.8% 0.033 240.9)
-
Step 500
500 (this color)
#728CA0
oklch(62.7% 0.042 241.5)
-
Step 600
600
#5B778C
oklch(55.5% 0.046 241)
-
Step 700
700
#4B6477
oklch(49.1% 0.043 241.5)
-
Step 800
800
#3E5261
oklch(42.8% 0.035 241)
-
Step 900
900
#35444F
oklch(37.8% 0.027 240.2)
-
Step 950
950
#1F282E
oklch(27.1% 0.017 237.4)
#728CA0 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) | #848CA1 | 0.024 |
| Deuteranopia (no green cones) | #7E86A0 | 0.022 |
| Tritanopia (no blue cones) | #649192 | 0.035 |
| Achromatopsia (no color) | #898989 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728CA0
#728CA0
oklch(62.7% 0.042 241.5)
- #9C836F
#9C836F
oklch(62.8% 0.042 60.6)
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 #728CA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.007
- Light Slate Gray #778899 ΔE 0.013
- Silver Lake Blue #778DA9 ΔE 0.016
- Steel #738595 ΔE 0.022
- Slate Gray #708090 ΔE 0.037
- Lavender Gray #7E7F9A ΔE 0.037
- Steel Grey #6F828A ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.042
Use #728CA0 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.