#677E92
Closest named color: Grey Blue (#647D8E). oklch(58.2% 0.041 244.8), rgb(103, 126, 146).
Aa
Black text reads best on this color (4.97:1).
About this color
#677E92 is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.041 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.008 away. Black text reads best on it, at 4.97:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #677E92 |
| RGB | rgb(103, 126, 146) |
| HSL | hsl(208, 17%, 49%) |
| OKLCH | oklch(58.2% 0.041 244.8) |
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 #677E92 | 4.22:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #677E92 | 4.97:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #677E92 text on white | 4.22:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #677E92 text on black | 4.97:1 | AA | Lc -32.5 | Non-text elements, placeholder text |
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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B7C2CC
oklch(80.9% 0.019 245.4)
-
Step 400
400
#92A3B2
oklch(70.7% 0.029 244.8)
-
Step 500
500
#778C9F
oklch(63% 0.038 245.7)
-
Step 600
600 (this color)
#677E92
oklch(58.2% 0.041 244.8)
-
Step 700
700
#4F6375
oklch(49% 0.038 245.8)
-
Step 800
800
#41515F
oklch(42.7% 0.031 245)
-
Step 900
900
#37434E
oklch(37.7% 0.025 246.2)
-
Step 950
950
#20272E
oklch(26.9% 0.016 248.4)
#677E92 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) | #767E93 | 0.021 |
| Deuteranopia (no green cones) | #717992 | 0.019 |
| Tritanopia (no blue cones) | #5A8384 | 0.035 |
| Achromatopsia (no color) | #7B7B7B | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677E92
#677E92
oklch(58.2% 0.041 244.8)
- #8C7662
#8C7662
oklch(58.1% 0.04 64.2)
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 #677E92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.008
- Slate Gray #708090 ΔE 0.014
- Battleship Grey #6B7C85 ΔE 0.019
- Steel Grey #6F828A ΔE 0.022
- Steel #738595 ΔE 0.027
- Stormy Blue #507B9C ΔE 0.034
- Battleship Gray #6C757D ΔE 0.035
- Lavender Gray #7E7F9A ΔE 0.035
Use #677E92 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.