#728BA0
Closest named color: Blue Grey (#758DA3). oklch(62.5% 0.043 243.9), rgb(114, 139, 160).
Aa
Black text reads best on this color (5.91:1).
About this color
#728BA0 is a medium-light, muted blue. In OKLCH its lightness is 62%, its chroma 0.043 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.008 away. Black text reads best on it, at 5.91:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 5.91:1 |
| White text | 3.54:1 |
Values
| HEX | #728BA0 |
| RGB | rgb(114, 139, 160) |
| HSL | hsl(207, 19%, 54%) |
| OKLCH | oklch(62.5% 0.043 243.9) |
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 #728BA0 | 3.54:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #728BA0 | 5.91:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #728BA0 text on white | 3.54:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #728BA0 text on black | 5.91:1 | AA | Lc -38.6 | 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
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B6C2CD
oklch(80.8% 0.02 245.7)
-
Step 400
400
#8FA3B4
oklch(70.6% 0.034 243.9)
-
Step 500
500 (this color)
#728BA0
oklch(62.5% 0.043 243.9)
-
Step 600
600
#5C778D
oklch(55.6% 0.047 243.3)
-
Step 700
700
#4C6478
oklch(49.2% 0.043 244)
-
Step 800
800
#3E5161
oklch(42.5% 0.036 244.2)
-
Step 900
900
#354350
oklch(37.6% 0.029 246.7)
-
Step 950
950
#1F282F
oklch(27.1% 0.018 241.7)
#728BA0 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) | #838BA1 | 0.023 |
| Deuteranopia (no green cones) | #7D86A0 | 0.019 |
| Tritanopia (no blue cones) | #649092 | 0.035 |
| Achromatopsia (no color) | #888888 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728BA0
#728BA0
oklch(62.5% 0.043 243.9)
- #9A836D
#9A836D
oklch(62.5% 0.042 65.7)
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 #728BA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.008
- Light Slate Gray #778899 ΔE 0.012
- Silver Lake Blue #778DA9 ΔE 0.016
- Steel #738595 ΔE 0.020
- Lavender Gray #7E7F9A ΔE 0.034
- Slate Gray #708090 ΔE 0.035
- Steel Grey #6F828A ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.040
Use #728BA0 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.