#728A8A
Closest named color: Steel Grey (#6F828A). oklch(61.5% 0.027 196.5), rgb(114, 138, 138).
Aa
Black text reads best on this color (5.71:1).
About this color
#728A8A is a medium-dark close to neutral grey. In OKLCH its lightness is 61%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Steel Grey (#6F828A), ΔE 0.024 away. Black text reads best on it, at 5.71:1.
| Hue family | Neutrals |
| Lightness | medium-dark (61%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #728A8A |
| RGB | rgb(114, 138, 138) |
| HSL | hsl(180, 10%, 49%) |
| OKLCH | oklch(61.5% 0.027 196.5) |
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 #728A8A | 3.67:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #728A8A | 5.71:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #728A8A text on white | 3.67:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #728A8A text on black | 5.71:1 | AA | Lc -37.4 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEB
oklch(93.7% 0.004 197.1)
-
Step 200
200
#D4DBDB
oklch(88.6% 0.008 197)
-
Step 300
300
#B7C3C3
oklch(80.8% 0.013 196.9)
-
Step 400
400
#92A5A5
oklch(70.7% 0.021 196.7)
-
Step 500
500 (this color)
#728A8A
oklch(61.5% 0.027 196.5)
-
Step 600
600
#5F7979
oklch(55.6% 0.03 196.3)
-
Step 700
700
#4F6666
oklch(49.2% 0.027 196.3)
-
Step 800
800
#415353
oklch(42.7% 0.022 196.3)
-
Step 900
900
#374545
oklch(37.8% 0.018 196.4)
-
Step 950
950
#202828
oklch(26.9% 0.011 196.5)
#728A8A 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) | #87888A | 0.029 |
| Deuteranopia (no green cones) | #82848A | 0.027 |
| Tritanopia (no blue cones) | #6B8C8A | 0.010 |
| Achromatopsia (no color) | #858585 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728A8A
#728A8A
oklch(61.5% 0.027 196.5)
- #957E7F
#957E7F
oklch(61.5% 0.028 15)
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 #728A8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.024
- Steel #738595 ΔE 0.026
- Light Slate Gray #778899 ΔE 0.027
- Gray #808080 ΔE 0.031
- Medium Grey #7D7F7C ΔE 0.033
- Slate Gray #708090 ΔE 0.034
- Blue Grey #758DA3 ΔE 0.037
- Battleship Grey #6B7C85 ΔE 0.042
Use #728A8A 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.