#677487
Closest named color: Battleship Gray (#6C757D). oklch(55.5% 0.033 257.8), rgb(103, 116, 135).
Aa
White text reads best on this color (4.74:1).
About this color
#677487 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.033 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.018 away. White text reads best on it, at 4.74:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #677487 |
| RGB | rgb(103, 116, 135) |
| HSL | hsl(216, 13%, 47%) |
| OKLCH | oklch(55.5% 0.033 257.8) |
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 #677487 | 4.74:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #677487 | 4.42:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #677487 text on white | 4.74:1 | AA | Lc 73.0 | Content text, not long reading |
| #677487 text on black | 4.42:1 | AA large text | Lc -28.7 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D6D9DF
oklch(88.5% 0.009 264.5)
-
Step 300
300
#BBC1CB
oklch(80.9% 0.016 260.7)
-
Step 400
400
#97A1B0
oklch(70.6% 0.025 258.4)
-
Step 500
500
#7E8A9C
oklch(63% 0.031 258.4)
-
Step 600
600 (this color)
#677487
oklch(55.5% 0.033 257.8)
-
Step 700
700
#566273
oklch(49.2% 0.031 257.1)
-
Step 800
800
#46505D
oklch(42.7% 0.025 255.1)
-
Step 900
900
#3B424C
oklch(37.7% 0.02 257.3)
-
Step 950
950
#23272D
oklch(27.1% 0.013 258.4)
#677487 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) | #6E7588 | 0.011 |
| Deuteranopia (no green cones) | #6A7287 | 0.007 |
| Tritanopia (no blue cones) | #5F787A | 0.029 |
| Achromatopsia (no color) | #737373 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677487
#677487
oklch(55.5% 0.033 257.8)
- #7E715D
#7E715D
oklch(55.5% 0.034 78.6)
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 #677487, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.018
- Grey Blue #647D8E ΔE 0.025
- Battleship Grey #6B7C85 ΔE 0.026
- Metallic Blue #4F738E ΔE 0.033
- Slate Gray #708090 ΔE 0.038
- Stormy Blue #507B9C ΔE 0.040
- Steel Grey #6F828A ΔE 0.043
- Grey Purple #826D8C ΔE 0.046
Use #677487 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.