#788C8F
Closest named color: Light Slate Gray (#778899). oklch(62.5% 0.023 207.6), rgb(120, 140, 143).
Aa
Black text reads best on this color (5.94:1).
About this color
#788C8F is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.022 away. Black text reads best on it, at 5.94:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.94:1 |
| White text | 3.53:1 |
Values
| HEX | #788C8F |
| RGB | rgb(120, 140, 143) |
| HSL | hsl(188, 9%, 52%) |
| OKLCH | oklch(62.5% 0.023 207.6) |
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 #788C8F | 3.53:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #788C8F | 5.94:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #788C8F text on white | 3.53:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #788C8F text on black | 5.94:1 | AA | Lc -38.8 | 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
#D5DADB
oklch(88.5% 0.006 211)
-
Step 300
300
#B9C3C4
oklch(81% 0.011 204.1)
-
Step 400
400
#94A4A6
oklch(70.7% 0.018 205.8)
-
Step 500
500 (this color)
#788C8F
oklch(62.5% 0.023 207.6)
-
Step 600
600
#62787B
oklch(55.6% 0.026 206.6)
-
Step 700
700
#516568
oklch(49.1% 0.025 207.6)
-
Step 800
800
#435254
oklch(42.6% 0.019 206.4)
-
Step 900
900
#384446
oklch(37.7% 0.016 208.8)
-
Step 950
950
#212829
oklch(27% 0.01 207.1)
#788C8F 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) | #898A8F | 0.024 |
| Deuteranopia (no green cones) | #84878F | 0.021 |
| Tritanopia (no blue cones) | #718E8D | 0.012 |
| Achromatopsia (no color) | #888888 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #788C8F
#788C8F
oklch(62.5% 0.023 207.6)
- #968380
#968380
oklch(62.6% 0.024 28.4)
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 #788C8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.022
- Steel #738595 ΔE 0.026
- Blue Grey #758DA3 ΔE 0.030
- Steel Grey #6F828A ΔE 0.032
- Gray #808080 ΔE 0.035
- Slate Gray #708090 ΔE 0.038
- Medium Grey #7D7F7C ΔE 0.039
- Silver Lake Blue #778DA9 ΔE 0.039
Use #788C8F 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.