#545E6B
Closest named color: Slate (#516572). oklch(47.8% 0.024 255), rgb(84, 94, 107).
Aa
White text reads best on this color (6.58:1).
About this color
#545E6B is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.021 away. White text reads best on it, at 6.58:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.19:1 |
| White text | 6.58:1 |
Values
| HEX | #545E6B |
| RGB | rgb(84, 94, 107) |
| HSL | hsl(214, 12%, 37%) |
| OKLCH | oklch(47.8% 0.024 255) |
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 #545E6B | 6.58:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #545E6B | 3.19:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #545E6B text on white | 6.58:1 | AA | Lc 82.6 | Fine for body text |
| #545E6B text on black | 3.19:1 | AA large text | Lc -19.3 | 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 700.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6D9DD
oklch(88.4% 0.006 255.5)
-
Step 300
300
#BCC1C8
oklch(80.9% 0.011 256.7)
-
Step 400
400
#99A1AD
oklch(70.6% 0.02 258.4)
-
Step 500
500
#808A98
oklch(63% 0.024 256.8)
-
Step 600
600
#697483
oklch(55.5% 0.027 256.2)
-
Step 700
700 (this color)
#545E6B
oklch(47.8% 0.024 255)
-
Step 800
800
#48505A
oklch(42.8% 0.02 254)
-
Step 900
900
#3C424A
oklch(37.7% 0.016 255.6)
-
Step 950
950
#23272B
oklch(27% 0.009 248.2)
#545E6B 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) | #5A5E6C | 0.009 |
| Deuteranopia (no green cones) | #575C6B | 0.007 |
| Tritanopia (no blue cones) | #4E6162 | 0.022 |
| Achromatopsia (no color) | #5D5D5D | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #545E6B
#545E6B
oklch(47.8% 0.024 255)
- #655B4E
#655B4E
oklch(47.7% 0.024 74.4)
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 #545E6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.021
- Dusty Grape #545775 ΔE 0.031
- YInMn Blue #415A77 ΔE 0.037
- Dim Gray #696969 ΔE 0.049
- Dusk #4E5481 ΔE 0.055
- Denim #3B638C ΔE 0.057
- Dusky Blue #475F94 ΔE 0.068
- Light Navy Blue #2E5A88 ΔE 0.068
Use #545E6B 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.