#545B6B
Closest named color: Dusty Grape (#545775). oklch(47.1% 0.027 266.6), rgb(84, 91, 107).
Aa
White text reads best on this color (6.80:1).
About this color
#545B6B is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.023 away. White text reads best on it, at 6.80:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.08:1 |
| White text | 6.80:1 |
Values
| HEX | #545B6B |
| RGB | rgb(84, 91, 107) |
| HSL | hsl(222, 12%, 37%) |
| OKLCH | oklch(47.1% 0.027 266.6) |
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 #545B6B | 6.80:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #545B6B | 3.08:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #545B6B text on white | 6.80:1 | AA | Lc 83.5 | Fine for body text |
| #545B6B text on black | 3.08:1 | AA large text | Lc -18.4 | 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
#BDC1C9
oklch(81% 0.012 264.5)
-
Step 400
400
#9AA1AE
oklch(70.8% 0.021 263)
-
Step 500
500
#82899A
oklch(63% 0.027 267.8)
-
Step 600
600
#6B7385
oklch(55.5% 0.03 266.4)
-
Step 700
700 (this color)
#545B6B
oklch(47.1% 0.027 266.6)
-
Step 800
800
#494F5C
oklch(42.7% 0.023 265.8)
-
Step 900
900
#3D424B
oklch(37.8% 0.017 262.3)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#545B6B 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) | #565C6C | 0.005 |
| Deuteranopia (no green cones) | #545A6B | 0.003 |
| Tritanopia (no blue cones) | #4E5E60 | 0.025 |
| Achromatopsia (no color) | #5B5B5B | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #545B6B
#545B6B
oklch(47.1% 0.027 266.6)
- #625A4A
#625A4A
oklch(47% 0.027 84.5)
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 #545B6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.023
- Slate #516572 ΔE 0.029
- YInMn Blue #415A77 ΔE 0.033
- Dusk #4E5481 ΔE 0.048
- Dim Gray #696969 ΔE 0.057
- Denim #3B638C ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.065
- Dusky Blue #475F94 ΔE 0.066
Use #545B6B 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.