#5B6F71
Closest named color: Dim Gray (#696969). oklch(52.6% 0.024 203.9), rgb(91, 111, 113).
Aa
White text reads best on this color (5.30:1).
About this color
#5B6F71 is a medium-dark close to neutral grey. In OKLCH its lightness is 53%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.025 away. White text reads best on it, at 5.30:1.
| Hue family | Neutrals |
| Lightness | medium-dark (53%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #5B6F71 |
| RGB | rgb(91, 111, 113) |
| HSL | hsl(185, 11%, 40%) |
| OKLCH | oklch(52.6% 0.024 203.9) |
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 #5B6F71 | 5.30:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #5B6F71 | 3.95:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #5B6F71 text on white | 5.30:1 | AA | Lc 76.4 | Fine for body text |
| #5B6F71 text on black | 3.95:1 | AA large text | Lc -25.3 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEB
oklch(93.5% 0.004 219.5)
-
Step 200
200
#D5DADB
oklch(88.5% 0.006 211)
-
Step 300
300
#B9C3C4
oklch(81% 0.011 204.1)
-
Step 400
400
#95A4A5
oklch(70.7% 0.017 201.6)
-
Step 500
500
#7B8E90
oklch(63.2% 0.022 204.3)
-
Step 600
600 (this color)
#5B6F71
oklch(52.6% 0.024 203.9)
-
Step 700
700
#526566
oklch(49.1% 0.023 200.4)
-
Step 800
800
#445254
oklch(42.7% 0.018 207)
-
Step 900
900
#394445
oklch(37.7% 0.014 203.3)
-
Step 950
950
#212828
oklch(27% 0.01 196.6)
#5B6F71 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) | #6C6D71 | 0.024 |
| Deuteranopia (no green cones) | #686A71 | 0.023 |
| Tritanopia (no blue cones) | #547170 | 0.011 |
| Achromatopsia (no color) | #6B6B6B | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B6F71
#5B6F71
oklch(52.6% 0.024 203.9)
- #786664
#786664
oklch(52.7% 0.023 25.4)
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 #5B6F71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.025
- Battleship Gray #6C757D ΔE 0.035
- Slate #516572 ΔE 0.036
- Metallic Blue #4F738E ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.051
- Grey Blue #647D8E ΔE 0.055
- Deep Aqua #08787F ΔE 0.063
- Deep Turquoise #017374 ΔE 0.066
Use #5B6F71 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.