#5B6071
Closest named color: Slate (#516572). oklch(49.1% 0.028 272.4), rgb(91, 96, 113).
Aa
White text reads best on this color (6.25:1).
About this color
#5B6071 is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.019 away. White text reads best on it, at 6.25:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #5B6071 |
| RGB | rgb(91, 96, 113) |
| HSL | hsl(226, 11%, 40%) |
| OKLCH | oklch(49.1% 0.028 272.4) |
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 #5B6071 | 6.25:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #5B6071 | 3.35:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #5B6071 text on white | 6.25:1 | AA | Lc 81.2 | Fine for body text |
| #5B6071 text on black | 3.35:1 | AA large text | Lc -20.7 | 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
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BDC0CA
oklch(80.8% 0.014 272.7)
-
Step 400
400
#9CA0AF
oklch(70.7% 0.022 273.9)
-
Step 500
500
#83899B
oklch(63.1% 0.028 270.9)
-
Step 600
600
#6D7385
oklch(55.7% 0.029 270.9)
-
Step 700
700 (this color)
#5B6071
oklch(49.1% 0.028 272.4)
-
Step 800
800
#4A4E5C
oklch(42.6% 0.024 272.8)
-
Step 900
900
#3E414B
oklch(37.6% 0.018 272.3)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#5B6071 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) | #5B6172 | 0.003 |
| Deuteranopia (no green cones) | #5A6071 | 0.001 |
| Tritanopia (no blue cones) | #566366 | 0.024 |
| Achromatopsia (no color) | #606060 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B6071
#5B6071
oklch(49.1% 0.028 272.4)
- #66614F
#66614F
oklch(49.2% 0.028 94.3)
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 #5B6071, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.019
- Dusty Grape #545775 ΔE 0.033
- Dim Gray #696969 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.044
- Dusk #4E5481 ΔE 0.055
- Denim #3B638C ΔE 0.056
- Metallic Blue #4F738E ΔE 0.061
- Dusky Blue #475F94 ΔE 0.063
Use #5B6071 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.