#728A87
Closest named color: Steel Grey (#6F828A). oklch(61.4% 0.028 187.2), rgb(114, 138, 135).
Aa
Black text reads best on this color (5.70:1).
About this color
#728A87 is a medium-dark close to neutral grey. In OKLCH its lightness is 61%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Steel Grey (#6F828A), ΔE 0.026 away. Black text reads best on it, at 5.70:1.
| Hue family | Neutrals |
| Lightness | medium-dark (61%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.70:1 |
| White text | 3.68:1 |
Values
| HEX | #728A87 |
| RGB | rgb(114, 138, 135) |
| HSL | hsl(173, 10%, 49%) |
| OKLCH | oklch(61.4% 0.028 187.2) |
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 #728A87 | 3.68:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #728A87 | 5.70:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #728A87 text on white | 3.68:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #728A87 text on black | 5.70:1 | AA | Lc -37.2 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D4DBDA
oklch(88.6% 0.008 186.9)
-
Step 300
300
#B7C4C2
oklch(81% 0.015 185.9)
-
Step 400
400
#92A5A3
oklch(70.7% 0.022 189)
-
Step 500
500 (this color)
#728A87
oklch(61.4% 0.028 187.2)
-
Step 600
600
#607976
oklch(55.5% 0.029 187.4)
-
Step 700
700
#4F6663
oklch(49.1% 0.028 186.5)
-
Step 800
800
#415351
oklch(42.6% 0.023 188)
-
Step 900
900
#374543
oklch(37.7% 0.018 185.8)
-
Step 950
950
#202827
oklch(26.9% 0.011 187.3)
#728A87 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) | #878787 | 0.030 |
| Deuteranopia (no green cones) | #838487 | 0.028 |
| Tritanopia (no blue cones) | #6B8B89 | 0.009 |
| Achromatopsia (no color) | #858585 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #728A87
#728A87
oklch(61.4% 0.028 187.2)
- #947E81
#947E81
oklch(61.4% 0.027 8.6)
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 #728A87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.026
- Steel #738595 ΔE 0.030
- Gray #808080 ΔE 0.031
- Light Slate Gray #778899 ΔE 0.031
- Medium Grey #7D7F7C ΔE 0.032
- Slate Gray #708090 ΔE 0.037
- Blue Grey #758DA3 ΔE 0.042
- Battleship Grey #6B7C85 ΔE 0.043
Use #728A87 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.