#77798B
Closest named color: Slate Gray (#708090). oklch(58.1% 0.028 280.5), rgb(119, 121, 139).
Aa
Black text reads best on this color (4.89:1).
About this color
#77798B is a medium-dark close to neutral grey. In OKLCH its lightness is 58%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Slate Gray (#708090), ΔE 0.020 away. Black text reads best on it, at 4.89:1.
| Hue family | Neutrals |
| Lightness | medium-dark (58%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Slate Gray (#708090) |
| Black text | 4.89:1 |
| White text | 4.29:1 |
Values
| HEX | #77798B |
| RGB | rgb(119, 121, 139) |
| HSL | hsl(234, 8%, 51%) |
| OKLCH | oklch(58.1% 0.028 280.5) |
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 #77798B | 4.29:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #77798B | 4.89:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #77798B text on white | 4.29:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #77798B text on black | 4.89:1 | AA | Lc -32.0 | 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 600.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9E9EC
oklch(93.5% 0.004 286.3)
-
Step 200
200
#D8D9DE
oklch(88.6% 0.007 277.2)
-
Step 300
300
#BFC0C9
oklch(81% 0.013 281)
-
Step 400
400
#9E9FAD
oklch(70.6% 0.02 282.6)
-
Step 500
500
#868899
oklch(63.1% 0.025 280.3)
-
Step 600
600 (this color)
#77798B
oklch(58.1% 0.028 280.5)
-
Step 700
700
#5E5F6F
oklch(49% 0.025 282.6)
-
Step 800
800
#4C4E5B
oklch(42.7% 0.022 278.5)
-
Step 900
900
#40414A
oklch(37.8% 0.015 280.6)
-
Step 950
950
#25262C
oklch(27% 0.011 278.1)
#77798B 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) | #757B8C | 0.006 |
| Deuteranopia (no green cones) | #74798B | 0.004 |
| Tritanopia (no blue cones) | #737C7F | 0.024 |
| Achromatopsia (no color) | #7A7A7A | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #77798B
#77798B
oklch(58.1% 0.028 280.5)
- #7E7B69
#7E7B69
oklch(58% 0.027 99.4)
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 #77798B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.020
- Battleship Grey #6B7C85 ΔE 0.023
- Grey Blue #647D8E ΔE 0.027
- Lavender Gray #7E7F9A ΔE 0.028
- Steel Grey #6F828A ΔE 0.028
- Battleship Gray #6C757D ΔE 0.029
- Steel #738595 ΔE 0.033
- Purple Grey #866F85 ΔE 0.033
Use #77798B 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.