#687893
Closest named color: Grey Blue (#647D8E). oklch(57% 0.046 260.8), rgb(104, 120, 147).
Aa
Black text reads best on this color (4.69:1).
About this color
#687893 is a medium-dark, muted blue. In OKLCH its lightness is 57%, its chroma 0.046 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.019 away. Black text reads best on it, at 4.69:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #687893 |
| RGB | rgb(104, 120, 147) |
| HSL | hsl(218, 17%, 49%) |
| OKLCH | oklch(57% 0.046 260.8) |
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 #687893 | 4.47:1 | AA large text | Lc -76.5 | Fine for body text |
| Black text on #687893 | 4.69:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #687893 text on white | 4.47:1 | AA large text | Lc 71.0 | Content text, not long reading |
| #687893 text on black | 4.69:1 | AA | Lc -30.6 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D5D9E1
oklch(88.5% 0.012 264.5)
-
Step 300
300
#B9C1CE
oklch(80.9% 0.02 260.2)
-
Step 400
400
#95A1B6
oklch(70.6% 0.034 261.7)
-
Step 500
500
#7B8AA4
oklch(63.1% 0.043 261.4)
-
Step 600
600 (this color)
#687893
oklch(57% 0.046 260.8)
-
Step 700
700
#536179
oklch(49% 0.042 261.1)
-
Step 800
800
#444F63
oklch(42.6% 0.036 262.3)
-
Step 900
900
#394251
oklch(37.7% 0.028 260.6)
-
Step 950
950
#22272F
oklch(27.1% 0.017 259.8)
#687893 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) | #6F7994 | 0.011 |
| Deuteranopia (no green cones) | #6B7592 | 0.009 |
| Tritanopia (no blue cones) | #5C7E81 | 0.042 |
| Achromatopsia (no color) | #777777 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #687893
#687893
oklch(57% 0.046 260.8)
- #857558
#857558
oklch(57% 0.046 82.2)
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 #687893, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.019
- Battleship Grey #6B7C85 ΔE 0.028
- Slate Gray #708090 ΔE 0.029
- Stormy Blue #507B9C ΔE 0.030
- Battleship Gray #6C757D ΔE 0.033
- Metallic Blue #4F738E ΔE 0.037
- Steel Grey #6F828A ΔE 0.038
- Lavender Gray #7E7F9A ΔE 0.040
Use #687893 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.