#728091
Closest named color: Slate Gray (#708090). oklch(59.4% 0.031 253.4), rgb(114, 128, 145).
Aa
Black text reads best on this color (5.21:1).
About this color
#728091 is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.031 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.003 away. Black text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #728091 |
| RGB | rgb(114, 128, 145) |
| HSL | hsl(213, 12%, 51%) |
| OKLCH | oklch(59.4% 0.031 253.4) |
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 #728091 | 4.02:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #728091 | 5.21:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #728091 text on white | 4.02:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #728091 text on black | 5.21:1 | AA | Lc -34.1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D5D9DF
oklch(88.4% 0.009 258.3)
-
Step 300
300
#BAC1CA
oklch(80.8% 0.015 254.6)
-
Step 400
400
#96A2B0
oklch(70.7% 0.025 252.2)
-
Step 500
500 (this color)
#728091
oklch(59.4% 0.031 253.4)
-
Step 600
600
#667587
oklch(55.7% 0.033 253.1)
-
Step 700
700
#556272
oklch(49.1% 0.03 253.7)
-
Step 800
800
#45505D
oklch(42.7% 0.026 252.7)
-
Step 900
900
#3A424C
oklch(37.6% 0.02 254.1)
-
Step 950
950
#22272D
oklch(27% 0.013 253)
#728091 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) | #7A8092 | 0.011 |
| Deuteranopia (no green cones) | #777D91 | 0.011 |
| Tritanopia (no blue cones) | #6A8485 | 0.028 |
| Achromatopsia (no color) | #7F7F7F | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728091
#728091
oklch(59.4% 0.031 253.4)
- #8A7C6B
#8A7C6B
oklch(59.4% 0.03 72.6)
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 #728091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.003
- Steel #738595 ΔE 0.014
- Steel Grey #6F828A ΔE 0.015
- Grey Blue #647D8E ΔE 0.022
- Battleship Grey #6B7C85 ΔE 0.023
- Lavender Gray #7E7F9A ΔE 0.024
- Light Slate Gray #778899 ΔE 0.025
- Gray #808080 ΔE 0.031
Use #728091 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.