#677392
Closest named color: Grey Blue (#647D8E). oklch(55.7% 0.05 268.2), rgb(103, 115, 146).
Aa
White text reads best on this color (4.72:1).
About this color
#677392 is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.050 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.032 away. White text reads best on it, at 4.72:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #677392 |
| RGB | rgb(103, 115, 146) |
| HSL | hsl(223, 17%, 49%) |
| OKLCH | oklch(55.7% 0.05 268.2) |
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 #677392 | 4.72:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #677392 | 4.44:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #677392 text on white | 4.72:1 | AA | Lc 72.8 | Content text, not long reading |
| #677392 text on black | 4.44:1 | AA large text | Lc -28.9 | 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
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E2
oklch(88.5% 0.013 266.7)
-
Step 300
300
#BAC0D0
oklch(80.8% 0.023 269.4)
-
Step 400
400
#97A0B8
oklch(70.7% 0.037 269.2)
-
Step 500
500
#7D89A6
oklch(63.1% 0.046 267.4)
-
Step 600
600 (this color)
#677392
oklch(55.7% 0.05 268.2)
-
Step 700
700
#55607C
oklch(49.1% 0.047 268)
-
Step 800
800
#464E65
oklch(42.6% 0.04 269.7)
-
Step 900
900
#3B4152
oklch(37.7% 0.03 269.7)
-
Step 950
950
#222630
oklch(26.9% 0.02 267.9)
#677392 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) | #697593 | 0.007 |
| Deuteranopia (no green cones) | #667291 | 0.003 |
| Tritanopia (no blue cones) | #5B797D | 0.046 |
| Achromatopsia (no color) | #737373 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677392
#677392
oklch(55.7% 0.05 268.2)
- #807251
#807251
oklch(55.6% 0.051 87.6)
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 #677392, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.032
- Metallic Blue #4F738E ΔE 0.032
- Stormy Blue #507B9C ΔE 0.034
- Battleship Gray #6C757D ΔE 0.036
- Dull Blue #49759C ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.039
- Grey Purple #826D8C ΔE 0.042
- Slate Gray #708090 ΔE 0.042
Use #677392 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.