#556372
Closest named color: Slate (#516572). oklch(49.3% 0.03 250.2), rgb(85, 99, 114).
Aa
White text reads best on this color (6.15:1).
About this color
#556372 is a medium-dark close to neutral grey. In OKLCH its lightness is 49%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.008 away. White text reads best on it, at 6.15:1.
| Hue family | Neutrals |
| Lightness | medium-dark (49%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #556372 |
| RGB | rgb(85, 99, 114) |
| HSL | hsl(211, 15%, 39%) |
| OKLCH | oklch(49.3% 0.03 250.2) |
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 #556372 | 6.15:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #556372 | 3.41:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #556372 text on white | 6.15:1 | AA | Lc 80.7 | Fine for body text |
| #556372 text on black | 3.41:1 | AA large text | Lc -21.1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D5DADE
oklch(88.6% 0.008 241.7)
-
Step 300
300
#BAC1CA
oklch(80.8% 0.015 254.6)
-
Step 400
400
#96A2AF
oklch(70.7% 0.023 250.3)
-
Step 500
500
#7D8B9B
oklch(63.1% 0.029 251.8)
-
Step 600
600
#667586
oklch(55.6% 0.032 251.7)
-
Step 700
700 (this color)
#556372
oklch(49.3% 0.03 250.2)
-
Step 800
800
#45505C
oklch(42.6% 0.024 250.7)
-
Step 900
900
#3A434C
oklch(37.8% 0.019 248.3)
-
Step 950
950
#22272C
oklch(27% 0.012 248.3)
#556372 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) | #5E6373 | 0.013 |
| Deuteranopia (no green cones) | #5A6072 | 0.011 |
| Tritanopia (no blue cones) | #4D6668 | 0.024 |
| Achromatopsia (no color) | #616161 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556372
#556372
oklch(49.3% 0.03 250.2)
- #6D5F4F
#6D5F4F
oklch(49.4% 0.03 70.8)
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 #556372, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.008
- Dusty Grape #545775 ΔE 0.039
- Dim Gray #696969 ΔE 0.040
- YInMn Blue #415A77 ΔE 0.043
- Denim #3B638C ΔE 0.051
- Metallic Blue #4F738E ΔE 0.055
- Dusk #4E5481 ΔE 0.059
- Dusky Blue #475F94 ΔE 0.062
Use #556372 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.