#686C81
Closest named color: Battleship Gray (#6C757D). oklch(53.5% 0.033 276.7), rgb(104, 108, 129).
Aa
White text reads best on this color (5.18:1).
About this color
#686C81 is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.033 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.031 away. White text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #686C81 |
| RGB | rgb(104, 108, 129) |
| HSL | hsl(230, 11%, 46%) |
| OKLCH | oklch(53.5% 0.033 276.7) |
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 #686C81 | 5.18:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #686C81 | 4.05:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #686C81 text on white | 5.18:1 | AA | Lc 75.7 | Fine for body text |
| #686C81 text on black | 4.05:1 | AA large text | Lc -26.0 | Dividers and decoration only |
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
#E9EAED
oklch(93.7% 0.004 271.4)
-
Step 200
200
#D7D9DF
oklch(88.6% 0.008 271.3)
-
Step 300
300
#BEC0CA
oklch(80.9% 0.014 277)
-
Step 400
400
#9CA0B0
oklch(70.8% 0.024 274.6)
-
Step 500
500
#84889C
oklch(63% 0.03 276.5)
-
Step 600
600 (this color)
#686C81
oklch(53.5% 0.033 276.7)
-
Step 700
700
#5C5F73
oklch(49% 0.032 278.4)
-
Step 800
800
#4B4E5D
oklch(42.7% 0.025 276.4)
-
Step 900
900
#3F414C
oklch(37.8% 0.019 277.3)
-
Step 950
950
#25262D
oklch(27.1% 0.013 279.1)
#686C81 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) | #666E82 | 0.006 |
| Deuteranopia (no green cones) | #656C80 | 0.005 |
| Tritanopia (no blue cones) | #627073 | 0.030 |
| Achromatopsia (no color) | #6D6D6D | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #686C81
#686C81
oklch(53.5% 0.033 276.7)
- #736E58
#736E58
oklch(53.6% 0.033 96.7)
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 #686C81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.031
- Dim Gray #696969 ΔE 0.036
- Metallic Blue #4F738E ΔE 0.037
- Grey Purple #826D8C ΔE 0.045
- Slate #516572 ΔE 0.046
- Battleship Grey #6B7C85 ΔE 0.047
- Grey Blue #647D8E ΔE 0.048
- Purple Grey #866F85 ΔE 0.049
Use #686C81 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.