#728197
Closest named color: Slate Gray (#708090). oklch(59.9% 0.038 257.9), rgb(114, 129, 151).
Aa
Black text reads best on this color (5.30:1).
About this color
#728197 is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.038 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.011 away. Black text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.30:1 |
| White text | 3.96:1 |
Values
| HEX | #728197 |
| RGB | rgb(114, 129, 151) |
| HSL | hsl(216, 15%, 52%) |
| OKLCH | oklch(59.9% 0.038 257.9) |
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 #728197 | 3.96:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #728197 | 5.30:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #728197 text on white | 3.96:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #728197 text on black | 5.30:1 | AA | Lc -34.7 | 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
#D5D9E0
oklch(88.4% 0.011 261.8)
-
Step 300
300
#B9C1CD
oklch(80.8% 0.019 258.4)
-
Step 400
400
#95A2B4
oklch(70.8% 0.03 256.5)
-
Step 500
500 (this color)
#728197
oklch(59.9% 0.038 257.9)
-
Step 600
600
#64748C
oklch(55.5% 0.042 258.4)
-
Step 700
700
#536277
oklch(49.2% 0.039 256.8)
-
Step 800
800
#445061
oklch(42.8% 0.032 257.1)
-
Step 900
900
#39424F
oklch(37.6% 0.025 257.5)
-
Step 950
950
#22272E
oklch(27.1% 0.015 256.8)
#728197 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) | #7A8298 | 0.012 |
| Deuteranopia (no green cones) | #767E97 | 0.010 |
| Tritanopia (no blue cones) | #688688 | 0.034 |
| Achromatopsia (no color) | #808080 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728197
#728197
oklch(59.9% 0.038 257.9)
- #8D7D67
#8D7D67
oklch(59.8% 0.038 75.7)
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 #728197, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.011
- Steel #738595 ΔE 0.013
- Lavender Gray #7E7F9A ΔE 0.019
- Light Slate Gray #778899 ΔE 0.022
- Steel Grey #6F828A ΔE 0.022
- Grey Blue #647D8E ΔE 0.026
- Battleship Grey #6B7C85 ΔE 0.031
- Blue Grey #758DA3 ΔE 0.035
Use #728197 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.