#7C8C8F
Closest named color: Light Slate Gray (#778899). oklch(62.8% 0.019 210.2), rgb(124, 140, 143).
Aa
Black text reads best on this color (6.00:1).
About this color
#7C8C8F is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.023 away. Black text reads best on it, at 6.00:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 6.00:1 |
| White text | 3.49:1 |
Values
| HEX | #7C8C8F |
| RGB | rgb(124, 140, 143) |
| HSL | hsl(189, 8%, 52%) |
| OKLCH | oklch(62.8% 0.019 210.2) |
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 #7C8C8F | 3.49:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #7C8C8F | 6.00:1 | AA | Lc 41.5 | Non-text elements, placeholder text |
| #7C8C8F text on white | 3.49:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #7C8C8F text on black | 6.00:1 | AA | Lc -39.1 | 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
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D5DADB
oklch(88.5% 0.006 211)
-
Step 300
300
#BAC2C4
oklch(80.8% 0.009 214.3)
-
Step 400
400
#97A3A6
oklch(70.7% 0.014 214.4)
-
Step 500
500 (this color)
#7C8C8F
oklch(62.8% 0.019 210.2)
-
Step 600
600
#66777A
oklch(55.6% 0.021 209.4)
-
Step 700
700
#556467
oklch(49.2% 0.019 211.1)
-
Step 800
800
#455254
oklch(42.8% 0.017 207.8)
-
Step 900
900
#3A4345
oklch(37.5% 0.012 212.6)
-
Step 950
950
#222829
oklch(27.1% 0.009 208.7)
#7C8C8F 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) | #898B8F | 0.018 |
| Deuteranopia (no green cones) | #86888F | 0.017 |
| Tritanopia (no blue cones) | #778E8D | 0.010 |
| Achromatopsia (no color) | #898989 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C8C8F
#7C8C8F
oklch(62.8% 0.019 210.2)
- #948582
#948582
oklch(62.9% 0.019 31.1)
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 #7C8C8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.023
- Steel #738595 ΔE 0.028
- Blue Grey #758DA3 ΔE 0.030
- Gray #808080 ΔE 0.034
- Steel Grey #6F828A ΔE 0.035
- Silver Lake Blue #778DA9 ΔE 0.039
- Medium Grey #7D7F7C ΔE 0.039
- Warm Grey #978A84 ΔE 0.040
Use #7C8C8F 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.