#677787
Closest named color: Battleship Gray (#6C757D). oklch(56.2% 0.031 248.4), rgb(103, 119, 135).
Aa
White text reads best on this color (4.59:1).
About this color
#677787 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.031 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Battleship Gray (#6C757D), ΔE 0.016 away. White text reads best on it, at 4.59:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.56:1 |
| White text | 4.59:1 |
Values
| HEX | #677787 |
| RGB | rgb(103, 119, 135) |
| HSL | hsl(210, 13%, 47%) |
| OKLCH | oklch(56.2% 0.031 248.4) |
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 #677787 | 4.59:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #677787 | 4.56:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #677787 text on white | 4.59:1 | AA | Lc 72.0 | Content text, not long reading |
| #677787 text on black | 4.56:1 | AA | Lc -29.7 | 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
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#BAC2C9
oklch(81% 0.013 244.3)
-
Step 400
400
#96A2AE
oklch(70.7% 0.022 248.1)
-
Step 500
500
#7C8B9B
oklch(63% 0.03 250)
-
Step 600
600 (this color)
#677787
oklch(56.2% 0.031 248.4)
-
Step 700
700
#546271
oklch(49% 0.03 250.2)
-
Step 800
800
#45505C
oklch(42.6% 0.024 250.7)
-
Step 900
900
#3A434B
oklch(37.8% 0.018 245.1)
-
Step 950
950
#22272C
oklch(27% 0.012 248.3)
#677787 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) | #717788 | 0.014 |
| Deuteranopia (no green cones) | #6D7487 | 0.012 |
| Tritanopia (no blue cones) | #5E7B7C | 0.027 |
| Achromatopsia (no color) | #757575 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677787
#677787
oklch(56.2% 0.031 248.4)
- #827262
#827262
oklch(56.2% 0.031 67.1)
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 #677787, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.016
- Grey Blue #647D8E ΔE 0.017
- Battleship Grey #6B7C85 ΔE 0.018
- Slate Gray #708090 ΔE 0.031
- Steel Grey #6F828A ΔE 0.035
- Metallic Blue #4F738E ΔE 0.036
- Stormy Blue #507B9C ΔE 0.039
- Steel #738595 ΔE 0.046
Use #677787 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.