#78798D
Closest named color: Slate Gray (#708090). oklch(58.2% 0.03 283.1), rgb(120, 121, 141).
Aa
Black text reads best on this color (4.91:1).
About this color
#78798D is a medium-dark, muted purple. In OKLCH its lightness is 58%, its chroma 0.030 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.021 away. Black text reads best on it, at 4.91:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 4.91:1 |
| White text | 4.26:1 |
Values
| HEX | #78798D |
| RGB | rgb(120, 121, 141) |
| HSL | hsl(237, 8%, 51%) |
| OKLCH | oklch(58.2% 0.03 283.1) |
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 #78798D | 4.26:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #78798D | 4.91:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #78798D text on white | 4.26:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #78798D text on black | 4.91:1 | AA | Lc -32.1 | 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 600.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EC
oklch(93.5% 0.004 286.3)
-
Step 200
200
#D8D8DE
oklch(88.4% 0.008 286.2)
-
Step 300
300
#BFC0C9
oklch(81% 0.013 281)
-
Step 400
400
#9E9FAE
oklch(70.7% 0.022 282.8)
-
Step 500
500
#87889A
oklch(63.2% 0.027 283.1)
-
Step 600
600 (this color)
#78798D
oklch(58.2% 0.03 283.1)
-
Step 700
700
#5E5F71
oklch(49.1% 0.029 282.8)
-
Step 800
800
#4D4E5C
oklch(42.8% 0.023 282.1)
-
Step 900
900
#40404B
oklch(37.6% 0.019 285.5)
-
Step 950
950
#25262C
oklch(27% 0.011 278.1)
#78798D 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) | #747B8E | 0.007 |
| Deuteranopia (no green cones) | #737A8C | 0.008 |
| Tritanopia (no blue cones) | #747C7F | 0.027 |
| Achromatopsia (no color) | #7A7A7A | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78798D
#78798D
oklch(58.2% 0.03 283.1)
- #7E7C67
#7E7C67
oklch(58.2% 0.031 102.8)
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 #78798D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.021
- Lavender Gray #7E7F9A ΔE 0.025
- Battleship Grey #6B7C85 ΔE 0.026
- Grey Blue #647D8E ΔE 0.028
- Steel Grey #6F828A ΔE 0.030
- Battleship Gray #6C757D ΔE 0.032
- Purple Grey #866F85 ΔE 0.032
- Steel #738595 ΔE 0.033
Use #78798D 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.