#7C8D8F
Closest named color: Light Slate Gray (#778899). oklch(63% 0.02 205.3), rgb(124, 141, 143).
Aa
Black text reads best on this color (6.06:1).
About this color
#7C8D8F is a medium-light close to neutral grey. In OKLCH its lightness is 63%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Light Slate Gray (#778899), ΔE 0.025 away. Black text reads best on it, at 6.06:1.
| Hue family | Neutrals |
| Lightness | medium-light (63%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 6.06:1 |
| White text | 3.46:1 |
Values
| HEX | #7C8D8F |
| RGB | rgb(124, 141, 143) |
| HSL | hsl(186, 8%, 52%) |
| OKLCH | oklch(63% 0.02 205.3) |
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 #7C8D8F | 3.46:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #7C8D8F | 6.06:1 | AA | Lc 41.9 | Non-text elements, placeholder text |
| #7C8D8F text on white | 3.46:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #7C8D8F text on black | 6.06:1 | AA | Lc -39.5 | 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
#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
#BAC2C3
oklch(80.8% 0.009 205.9)
-
Step 400
400
#96A4A5
oklch(70.8% 0.016 202)
-
Step 500
500 (this color)
#7C8D8F
oklch(63% 0.02 205.3)
-
Step 600
600
#657779
oklch(55.5% 0.022 204.8)
-
Step 700
700
#546466
oklch(49.1% 0.02 205.8)
-
Step 800
800
#455253
oklch(42.8% 0.016 202.2)
-
Step 900
900
#3A4445
oklch(37.8% 0.013 204)
-
Step 950
950
#222828
oklch(27.1% 0.009 196.7)
#7C8D8F 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) | #8A8B8F | 0.020 |
| Deuteranopia (no green cones) | #87898F | 0.018 |
| Tritanopia (no blue cones) | #778F8E | 0.009 |
| Achromatopsia (no color) | #8A8A8A | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C8D8F
#7C8D8F
oklch(63% 0.02 205.3)
- #958583
#958583
oklch(63% 0.02 26.2)
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 #7C8D8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.025
- Steel #738595 ΔE 0.031
- Blue Grey #758DA3 ΔE 0.031
- Gray #808080 ΔE 0.036
- Steel Grey #6F828A ΔE 0.038
- Warm Grey #978A84 ΔE 0.039
- Silver Lake Blue #778DA9 ΔE 0.040
- Medium Grey #7D7F7C ΔE 0.041
Use #7C8D8F 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.