#7A818C
Closest named color: Slate Gray (#708090). oklch(60.1% 0.019 259.4), rgb(122, 129, 140).
Aa
Black text reads best on this color (5.34:1).
About this color
#7A818C is a medium-dark close to neutral grey. In OKLCH its lightness is 60%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Slate Gray (#708090), ΔE 0.016 away. Black text reads best on it, at 5.34:1.
| Hue family | Neutrals |
| Lightness | medium-dark (60%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.34:1 |
| White text | 3.92:1 |
Values
| HEX | #7A818C |
| RGB | rgb(122, 129, 140) |
| HSL | hsl(217, 7%, 51%) |
| OKLCH | oklch(60.1% 0.019 259.4) |
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 #7A818C | 3.92:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #7A818C | 5.34:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #7A818C text on white | 3.92:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #7A818C text on black | 5.34:1 | AA | Lc -35.0 | 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
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DC
oklch(88.5% 0.005 258.3)
-
Step 300
300
#BDC1C7
oklch(81% 0.01 258.3)
-
Step 400
400
#9BA1AA
oklch(70.7% 0.015 258.4)
-
Step 500
500 (this color)
#7A818C
oklch(60.1% 0.019 259.4)
-
Step 600
600
#6C7480
oklch(55.6% 0.021 258.4)
-
Step 700
700
#5A616C
oklch(49% 0.02 259.4)
-
Step 800
800
#4A4F58
oklch(42.6% 0.016 262.3)
-
Step 900
900
#3E4248
oklch(37.8% 0.012 258.4)
-
Step 950
950
#24272A
oklch(27.1% 0.007 248.1)
#7A818C 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) | #7E818D | 0.006 |
| Deuteranopia (no green cones) | #7C808C | 0.004 |
| Tritanopia (no blue cones) | #768384 | 0.017 |
| Achromatopsia (no color) | #808080 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A818C
#7A818C
oklch(60.1% 0.019 259.4)
- #877F74
#877F74
oklch(60% 0.019 76)
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 #7A818C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.016
- Steel Grey #6F828A ΔE 0.016
- Steel #738595 ΔE 0.016
- Gray #808080 ΔE 0.019
- Medium Grey #7D7F7C ΔE 0.023
- Light Slate Gray #778899 ΔE 0.023
- Lavender Gray #7E7F9A ΔE 0.025
- Battleship Grey #6B7C85 ΔE 0.028
Use #7A818C 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.