#677394
Closest named color: Metallic Blue (#4F738E). oklch(55.8% 0.053 269.1), rgb(103, 115, 148).
Aa
White text reads best on this color (4.71:1).
About this color
#677394 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.053 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.033 away. White text reads best on it, at 4.71:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #677394 |
| RGB | rgb(103, 115, 148) |
| HSL | hsl(224, 18%, 49%) |
| OKLCH | oklch(55.8% 0.053 269.1) |
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 #677394 | 4.71:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #677394 | 4.45:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #677394 text on white | 4.71:1 | AA | Lc 72.7 | Content text, not long reading |
| #677394 text on black | 4.45:1 | AA large text | Lc -29.0 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D5D9E2
oklch(88.5% 0.013 266.7)
-
Step 300
300
#BAC0D1
oklch(80.8% 0.025 270.3)
-
Step 400
400
#97A0B9
oklch(70.7% 0.038 269.7)
-
Step 500
500
#7D89A8
oklch(63.2% 0.049 268.4)
-
Step 600
600 (this color)
#677394
oklch(55.8% 0.053 269.1)
-
Step 700
700
#55607E
oklch(49.2% 0.05 268.9)
-
Step 800
800
#464E66
oklch(42.7% 0.041 270.3)
-
Step 900
900
#3A4153
oklch(37.6% 0.032 268.2)
-
Step 950
950
#222631
oklch(27% 0.021 269.3)
#677394 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) | #697696 | 0.009 |
| Deuteranopia (no green cones) | #657293 | 0.004 |
| Tritanopia (no blue cones) | #5B797E | 0.047 |
| Achromatopsia (no color) | #737373 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677394
#677394
oklch(55.8% 0.053 269.1)
- #81734F
#81734F
oklch(55.9% 0.054 89.2)
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 #677394, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.033
- Stormy Blue #507B9C ΔE 0.033
- Grey Blue #647D8E ΔE 0.034
- Dull Blue #49759C ΔE 0.037
- Battleship Gray #6C757D ΔE 0.039
- Battleship Grey #6B7C85 ΔE 0.041
- Grey Purple #826D8C ΔE 0.042
- Cerulean #457B9D ΔE 0.043
Use #677394 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.