#687D92
Closest named color: Grey Blue (#647D8E). oklch(58.1% 0.041 248.5), rgb(104, 125, 146).
Aa
Black text reads best on this color (4.93:1).
About this color
#687D92 is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.041 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.009 away. Black text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #687D92 |
| RGB | rgb(104, 125, 146) |
| HSL | hsl(210, 17%, 49%) |
| OKLCH | oklch(58.1% 0.041 248.5) |
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 #687D92 | 4.25:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #687D92 | 4.93:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #687D92 text on white | 4.25:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #687D92 text on black | 4.93:1 | AA | Lc -32.3 | 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
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C2CC
oklch(80.9% 0.018 248)
-
Step 400
400
#93A3B2
oklch(70.8% 0.028 246.5)
-
Step 500
500
#788CA0
oklch(63.1% 0.038 248.4)
-
Step 600
600 (this color)
#687D92
oklch(58.1% 0.041 248.5)
-
Step 700
700
#506376
oklch(49.1% 0.038 248.6)
-
Step 800
800
#425160
oklch(42.8% 0.031 248.6)
-
Step 900
900
#38434E
oklch(37.7% 0.024 248.5)
-
Step 950
950
#21272E
oklch(27% 0.016 252.4)
#687D92 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) | #757D93 | 0.018 |
| Deuteranopia (no green cones) | #707992 | 0.015 |
| Tritanopia (no blue cones) | #5C8284 | 0.034 |
| Achromatopsia (no color) | #7B7B7B | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #687D92
#687D92
oklch(58.1% 0.041 248.5)
- #8B7661
#8B7661
oklch(58% 0.04 66.9)
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 #687D92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.009
- Slate Gray #708090 ΔE 0.015
- Battleship Grey #6B7C85 ΔE 0.020
- Steel Grey #6F828A ΔE 0.024
- Steel #738595 ΔE 0.029
- Battleship Gray #6C757D ΔE 0.033
- Stormy Blue #507B9C ΔE 0.034
- Lavender Gray #7E7F9A ΔE 0.035
Use #687D92 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.