#656E8B
Closest named color: Metallic Blue (#4F738E). oklch(54.2% 0.047 271.3), rgb(101, 110, 139).
Aa
White text reads best on this color (5.05:1).
About this color
#656E8B is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.047 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.030 away. White text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #656E8B |
| RGB | rgb(101, 110, 139) |
| HSL | hsl(226, 16%, 47%) |
| OKLCH | oklch(54.2% 0.047 271.3) |
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 #656E8B | 5.05:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #656E8B | 4.15:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #656E8B text on white | 5.05:1 | AA | Lc 74.9 | Content text, not long reading |
| #656E8B text on black | 4.15:1 | AA large text | Lc -26.8 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E1
oklch(88.5% 0.011 269.5)
-
Step 300
300
#BBC0CF
oklch(80.8% 0.022 271.1)
-
Step 400
400
#99A0B6
oklch(70.7% 0.033 271.5)
-
Step 500
500
#8088A4
oklch(63% 0.043 272.6)
-
Step 600
600 (this color)
#656E8B
oklch(54.2% 0.047 271.3)
-
Step 700
700
#57607A
oklch(49.1% 0.043 269.9)
-
Step 800
800
#484E63
oklch(42.7% 0.036 272.4)
-
Step 900
900
#3C4151
oklch(37.7% 0.028 271.4)
-
Step 950
950
#23262F
oklch(26.9% 0.017 270.7)
#656E8B 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) | #65708C | 0.006 |
| Deuteranopia (no green cones) | #626D8A | 0.006 |
| Tritanopia (no blue cones) | #5B7478 | 0.043 |
| Achromatopsia (no color) | #6F6F6F | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #656E8B
#656E8B
oklch(54.2% 0.047 271.3)
- #796F50
#796F50
oklch(54.3% 0.047 92.3)
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 #656E8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.030
- Battleship Gray #6C757D ΔE 0.036
- Dull Blue #49759C ΔE 0.041
- Grey Blue #647D8E ΔE 0.043
- Stormy Blue #507B9C ΔE 0.044
- Grey Purple #826D8C ΔE 0.044
- Battleship Grey #6B7C85 ΔE 0.047
- Cerulean #457B9D ΔE 0.050
Use #656E8B 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.