#6C718D
Closest named color: Battleship Gray (#6C757D). oklch(55.5% 0.044 277), rgb(108, 113, 141).
Aa
White text reads best on this color (4.78:1).
About this color
#6C718D is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.044 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 4.78:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #6C718D |
| RGB | rgb(108, 113, 141) |
| HSL | hsl(231, 13%, 49%) |
| OKLCH | oklch(55.5% 0.044 277) |
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 #6C718D | 4.78:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #6C718D | 4.38:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #6C718D text on white | 4.78:1 | AA | Lc 73.2 | Content text, not long reading |
| #6C718D text on black | 4.38:1 | AA large text | Lc -28.4 | 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
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D9E0
oklch(88.6% 0.01 273.3)
-
Step 300
300
#BDC0CE
oklch(81% 0.02 276.3)
-
Step 400
400
#9B9FB5
oklch(70.7% 0.032 277.4)
-
Step 500
500
#8388A2
oklch(63.2% 0.039 276.6)
-
Step 600
600 (this color)
#6C718D
oklch(55.5% 0.044 277)
-
Step 700
700
#5A5F78
oklch(49.1% 0.041 276)
-
Step 800
800
#4A4E62
oklch(42.8% 0.034 276)
-
Step 900
900
#3E4150
oklch(37.8% 0.026 276.2)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#6C718D 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) | #69748E | 0.009 |
| Deuteranopia (no green cones) | #67718C | 0.008 |
| Tritanopia (no blue cones) | #64767A | 0.040 |
| Achromatopsia (no color) | #727272 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C718D
#6C718D
oklch(55.5% 0.044 277)
- #7A7356
#7A7356
oklch(55.4% 0.043 96.1)
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 #6C718D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.031
- Grey Purple #826D8C ΔE 0.034
- Grey Blue #647D8E ΔE 0.035
- Metallic Blue #4F738E ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.038
- Purple Grey #866F85 ΔE 0.041
- Stormy Blue #507B9C ΔE 0.043
- Slate Gray #708090 ΔE 0.044
Use #6C718D 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.