#75878F
Closest named color: Steel (#738595). oklch(61.2% 0.024 226.4), rgb(117, 135, 143).
Aa
Black text reads best on this color (5.61:1).
About this color
#75878F is a medium-dark close to neutral grey. In OKLCH its lightness is 61%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Steel (#738595), ΔE 0.013 away. Black text reads best on it, at 5.61:1.
| Hue family | Neutrals |
| Lightness | medium-dark (61%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Steel (#738595) |
| Black text | 5.61:1 |
| White text | 3.73:1 |
Values
| HEX | #75878F |
| RGB | rgb(117, 135, 143) |
| HSL | hsl(198, 10%, 51%) |
| OKLCH | oklch(61.2% 0.024 226.4) |
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 #75878F | 3.73:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #75878F | 5.61:1 | AA | Lc 39.1 | Non-text elements, placeholder text |
| #75878F text on white | 3.73:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #75878F text on black | 5.61:1 | AA | Lc -36.7 | 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
#E7EAEB
oklch(93.5% 0.004 219.5)
-
Step 200
200
#D5DADC
oklch(88.5% 0.006 223.5)
-
Step 300
300
#B9C2C6
oklch(80.8% 0.011 226)
-
Step 400
400
#95A3AA
oklch(70.7% 0.019 229.1)
-
Step 500
500 (this color)
#75878F
oklch(61.2% 0.024 226.4)
-
Step 600
600
#64777F
oklch(55.7% 0.026 225.2)
-
Step 700
700
#52646C
oklch(49.1% 0.025 226.6)
-
Step 800
800
#445158
oklch(42.6% 0.02 231.4)
-
Step 900
900
#394348
oklch(37.6% 0.016 229.4)
-
Step 950
950
#21282A
oklch(27.1% 0.011 216.9)
#75878F 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) | #83868F | 0.019 |
| Deuteranopia (no green cones) | #7F838F | 0.017 |
| Tritanopia (no blue cones) | #6E8989 | 0.016 |
| Achromatopsia (no color) | #848484 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75878F
#75878F
oklch(61.2% 0.024 226.4)
- #918078
#918078
oklch(61.3% 0.024 46.8)
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 #75878F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.013
- Light Slate Gray #778899 ΔE 0.015
- Steel Grey #6F828A ΔE 0.018
- Slate Gray #708090 ΔE 0.023
- Gray #808080 ΔE 0.027
- Blue Grey #758DA3 ΔE 0.030
- Medium Grey #7D7F7C ΔE 0.031
- Lavender Gray #7E7F9A ΔE 0.035
Use #75878F 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.