#687AA6
Closest named color: Off Blue (#5684AE). oklch(58.3% 0.071 267), rgb(104, 122, 166).
Aa
Black text reads best on this color (4.92:1).
About this color
#687AA6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.071 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.032 away. Black text reads best on it, at 4.92:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #687AA6 |
| RGB | rgb(104, 122, 166) |
| HSL | hsl(223, 26%, 53%) |
| OKLCH | oklch(58.3% 0.071 267) |
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 #687AA6 | 4.26:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #687AA6 | 4.92:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #687AA6 text on white | 4.26:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #687AA6 text on black | 4.92:1 | AA | Lc -32.2 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E5
oklch(88.5% 0.017 267.8)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400
#92A0C1
oklch(70.6% 0.051 267)
-
Step 500
500
#7889B2
oklch(63.2% 0.065 267.1)
-
Step 600
600 (this color)
#687AA6
oklch(58.3% 0.071 267)
-
Step 700
700
#506087
oklch(49.2% 0.066 266.9)
-
Step 800
800
#414E6D
oklch(42.6% 0.054 266.6)
-
Step 900
900
#374159
oklch(37.7% 0.043 266.8)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#687AA6 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) | #6B7DA8 | 0.010 |
| Deuteranopia (no green cones) | #6578A5 | 0.007 |
| Tritanopia (no blue cones) | #558389 | 0.064 |
| Achromatopsia (no color) | #7A7A7A | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #687AA6
#687AA6
oklch(58.3% 0.071 267)
- #8D7948
#8D7948
oklch(58.3% 0.071 88)
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 #687AA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.032
- Dusty Blue #5A86AD ΔE 0.035
- Stormy Blue #507B9C ΔE 0.035
- Lavender Gray #7E7F9A ΔE 0.041
- Grey Blue #647D8E ΔE 0.042
- Steel Blue #4682B4 ΔE 0.042
- Cool Blue #4984B8 ΔE 0.044
- Slate Gray #708090 ΔE 0.044
Use #687AA6 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.