#75818B
Closest named color: Steel Grey (#6F828A). oklch(59.7% 0.021 243.2), rgb(117, 129, 139).
Aa
Black text reads best on this color (5.26:1).
About this color
#75818B is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Steel Grey (#6F828A), ΔE 0.009 away. Black text reads best on it, at 5.26:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #75818B |
| RGB | rgb(117, 129, 139) |
| HSL | hsl(207, 9%, 50%) |
| OKLCH | oklch(59.7% 0.021 243.2) |
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 #75818B | 3.98:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #75818B | 5.26:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #75818B text on white | 3.98:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #75818B text on black | 5.26:1 | AA | Lc -34.5 | 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
#D6DADD
oklch(88.6% 0.006 239.8)
-
Step 300
300
#BBC1C7
oklch(80.8% 0.011 248)
-
Step 400
400
#98A2AA
oklch(70.7% 0.016 241.9)
-
Step 500
500 (this color)
#75818B
oklch(59.7% 0.021 243.2)
-
Step 600
600
#687580
oklch(55.5% 0.023 243.7)
-
Step 700
700
#57626C
oklch(49% 0.021 245.7)
-
Step 800
800
#475058
oklch(42.6% 0.018 245)
-
Step 900
900
#3C4348
oklch(37.8% 0.013 238.9)
-
Step 950
950
#23272A
oklch(27% 0.008 240.2)
#75818B 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) | #7D818C | 0.012 |
| Deuteranopia (no green cones) | #7A7E8B | 0.011 |
| Tritanopia (no blue cones) | #6F8384 | 0.016 |
| Achromatopsia (no color) | #7F7F7F | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75818B
#75818B
oklch(59.7% 0.021 243.2)
- #897D73
#897D73
oklch(59.8% 0.021 62.2)
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 #75818B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.009
- Slate Gray #708090 ΔE 0.011
- Steel #738595 ΔE 0.016
- Gray #808080 ΔE 0.021
- Battleship Grey #6B7C85 ΔE 0.022
- Medium Grey #7D7F7C ΔE 0.023
- Light Slate Gray #778899 ΔE 0.025
- Grey Blue #647D8E ΔE 0.028
Use #75818B 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.