#5F647F
Closest named color: Slate (#516572). oklch(50.9% 0.043 276.6), rgb(95, 100, 127).
Aa
White text reads best on this color (5.80:1).
About this color
#5F647F is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.043 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.031 away. White text reads best on it, at 5.80:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.61:1 |
| White text | 5.80:1 |
Values
| HEX | #5F647F |
| RGB | rgb(95, 100, 127) |
| HSL | hsl(231, 14%, 44%) |
| OKLCH | oklch(50.9% 0.043 276.6) |
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 #5F647F | 5.80:1 | AA | Lc -84.3 | Fine for body text |
| Black text on #5F647F | 3.61:1 | AA large text | Lc 25.0 | Dividers and decoration only |
| #5F647F text on white | 5.80:1 | AA | Lc 79.1 | Fine for body text |
| #5F647F text on black | 3.61:1 | AA large text | Lc -22.7 | 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 700.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D9E1
oklch(88.6% 0.011 274.9)
-
Step 300
300
#BDC0CE
oklch(81% 0.02 276.3)
-
Step 400
400
#9B9FB6
oklch(70.7% 0.034 277.7)
-
Step 500
500
#8288A4
oklch(63.2% 0.043 275.6)
-
Step 600
600
#6C718F
oklch(55.6% 0.047 277.4)
-
Step 700
700 (this color)
#5F647F
oklch(50.9% 0.043 276.6)
-
Step 800
800
#4A4D63
oklch(42.6% 0.037 278.7)
-
Step 900
900
#3D4051
oklch(37.6% 0.029 277.1)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#5F647F 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) | #5C6780 | 0.009 |
| Deuteranopia (no green cones) | #5A647E | 0.008 |
| Tritanopia (no blue cones) | #57696D | 0.039 |
| Achromatopsia (no color) | #656565 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F647F
#5F647F
oklch(50.9% 0.043 276.6)
- #6D664A
#6D664A
oklch(50.9% 0.043 95.7)
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 #5F647F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.031
- Dusty Grape #545775 ΔE 0.043
- Dim Gray #696969 ΔE 0.045
- Metallic Blue #4F738E ΔE 0.045
- Denim #3B638C ΔE 0.050
- Dusky Blue #475F94 ΔE 0.052
- YInMn Blue #415A77 ΔE 0.055
- Battleship Gray #6C757D ΔE 0.057
Use #5F647F 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.