#75818E
Closest named color: Slate Gray (#708090). oklch(59.8% 0.024 250.4), rgb(117, 129, 142).
Aa
Black text reads best on this color (5.28:1).
About this color
#75818E is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Slate Gray (#708090), ΔE 0.008 away. Black text reads best on it, at 5.28:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #75818E |
| RGB | rgb(117, 129, 142) |
| HSL | hsl(211, 10%, 51%) |
| OKLCH | oklch(59.8% 0.024 250.4) |
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 #75818E | 3.97:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #75818E | 5.28:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #75818E text on white | 3.97:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #75818E text on black | 5.28:1 | AA | Lc -34.6 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6D9DD
oklch(88.4% 0.006 255.5)
-
Step 300
300
#BBC1C8
oklch(80.8% 0.012 252.1)
-
Step 400
400
#98A2AC
oklch(70.7% 0.019 248.1)
-
Step 500
500 (this color)
#75818E
oklch(59.8% 0.024 250.4)
-
Step 600
600
#687583
oklch(55.7% 0.027 250.3)
-
Step 700
700
#56626F
oklch(49.1% 0.026 250.5)
-
Step 800
800
#47505A
oklch(42.7% 0.02 251.1)
-
Step 900
900
#3B424A
oklch(37.6% 0.017 251.8)
-
Step 950
950
#23272B
oklch(27% 0.009 248.2)
#75818E 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) | #7C818F | 0.010 |
| Deuteranopia (no green cones) | #797E8E | 0.010 |
| Tritanopia (no blue cones) | #6F8485 | 0.021 |
| Achromatopsia (no color) | #808080 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75818E
#75818E
oklch(59.8% 0.024 250.4)
- #897D70
#897D70
oklch(59.7% 0.024 69.6)
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 #75818E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.008
- Steel Grey #6F828A ΔE 0.012
- Steel #738595 ΔE 0.013
- Light Slate Gray #778899 ΔE 0.023
- Battleship Grey #6B7C85 ΔE 0.024
- Gray #808080 ΔE 0.024
- Lavender Gray #7E7F9A ΔE 0.025
- Grey Blue #647D8E ΔE 0.027
Use #75818E 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.