#728997
Closest named color: Light Slate Gray (#778899). oklch(61.7% 0.034 234.8), rgb(114, 137, 151).
Aa
Black text reads best on this color (5.74:1).
About this color
#728997 is a medium-dark, muted blue. In OKLCH its lightness is 62%, its chroma 0.034 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.008 away. Black text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #728997 |
| RGB | rgb(114, 137, 151) |
| HSL | hsl(203, 15%, 52%) |
| OKLCH | oklch(61.7% 0.034 234.8) |
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 #728997 | 3.65:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #728997 | 5.74:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #728997 text on white | 3.65:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #728997 text on black | 5.74:1 | AA | Lc -37.5 | 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
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B7C3CA
oklch(81% 0.017 233.1)
-
Step 400
400
#91A4AF
oklch(70.7% 0.027 233.2)
-
Step 500
500 (this color)
#728997
oklch(61.7% 0.034 234.8)
-
Step 600
600
#5F7786
oklch(55.6% 0.037 235.7)
-
Step 700
700
#4E6472
oklch(49.1% 0.035 236.3)
-
Step 800
800
#40525C
oklch(42.7% 0.028 232.6)
-
Step 900
900
#36444C
oklch(37.8% 0.023 233.2)
-
Step 950
950
#20282C
oklch(27.1% 0.014 229.5)
#728997 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) | #838898 | 0.023 |
| Deuteranopia (no green cones) | #7D8497 | 0.020 |
| Tritanopia (no blue cones) | #678D8D | 0.026 |
| Achromatopsia (no color) | #868686 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728997
#728997
oklch(61.7% 0.034 234.8)
- #968072
#968072
oklch(61.6% 0.034 54.4)
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 #728997, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.008
- Steel #738595 ΔE 0.011
- Blue Grey #758DA3 ΔE 0.020
- Steel Grey #6F828A ΔE 0.025
- Slate Gray #708090 ΔE 0.026
- Silver Lake Blue #778DA9 ΔE 0.028
- Lavender Gray #7E7F9A ΔE 0.033
- Gray #808080 ΔE 0.038
Use #728997 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.