#75828F
Closest named color: Slate Gray (#708090). oklch(60% 0.025 248.2), rgb(117, 130, 143).
Aa
Black text reads best on this color (5.34:1).
About this color
#75828F is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Slate Gray (#708090), ΔE 0.010 away. Black text reads best on it, at 5.34:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.34:1 |
| White text | 3.92:1 |
Values
| HEX | #75828F |
| RGB | rgb(117, 130, 143) |
| HSL | hsl(210, 10%, 51%) |
| OKLCH | oklch(60% 0.025 248.2) |
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 #75828F | 3.92:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #75828F | 5.34:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #75828F text on white | 3.92:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #75828F text on black | 5.34:1 | AA | Lc -35.0 | 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
#F4F5F6
oklch(97% 0.002 247.8)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6DADD
oklch(88.6% 0.006 239.8)
-
Step 300
300
#BBC1C8
oklch(80.8% 0.012 252.1)
-
Step 400
400
#97A2AD
oklch(70.7% 0.02 248.1)
-
Step 500
500 (this color)
#75828F
oklch(60% 0.025 248.2)
-
Step 600
600
#677583
oklch(55.6% 0.028 248.3)
-
Step 700
700
#56626F
oklch(49.1% 0.026 250.5)
-
Step 800
800
#46505A
oklch(42.6% 0.021 248.3)
-
Step 900
900
#3B434A
oklch(37.8% 0.016 244.6)
-
Step 950
950
#23272B
oklch(27% 0.009 248.2)
#75828F 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) | #7D8290 | 0.012 |
| Deuteranopia (no green cones) | #7A7F8F | 0.011 |
| Tritanopia (no blue cones) | #6E8586 | 0.021 |
| Achromatopsia (no color) | #808080 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75828F
#75828F
oklch(60% 0.025 248.2)
- #8B7E71
#8B7E71
oklch(60.1% 0.025 67.3)
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 #75828F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.010
- Steel #738595 ΔE 0.010
- Steel Grey #6F828A ΔE 0.012
- Light Slate Gray #778899 ΔE 0.020
- Gray #808080 ΔE 0.025
- Lavender Gray #7E7F9A ΔE 0.025
- Battleship Grey #6B7C85 ΔE 0.026
- Medium Grey #7D7F7C ΔE 0.028
Use #75828F 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.