#4B545A
Closest named color: YInMn Blue (#415A77). oklch(44% 0.015 237), rgb(75, 84, 90).
Aa
White text reads best on this color (7.73:1).
About this color
#4B545A is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.046 away. White text reads best on it, at 7.73:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #4B545A |
| RGB | rgb(75, 84, 90) |
| HSL | hsl(204, 9%, 32%) |
| OKLCH | oklch(44% 0.015 237) |
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 #4B545A | 7.73:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #4B545A | 2.71:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #4B545A text on white | 7.73:1 | AAA | Lc 86.9 | Fine for body text |
| #4B545A text on black | 2.71:1 | Fails | Lc -15.2 | 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 800.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D6DADC
oklch(88.6% 0.005 228.8)
-
Step 300
300
#BBC2C6
oklch(81% 0.01 232.4)
-
Step 400
400
#99A2A8
oklch(70.7% 0.014 236.7)
-
Step 500
500
#808B93
oklch(63% 0.018 239.3)
-
Step 600
600
#69757E
oklch(55.6% 0.02 240.3)
-
Step 700
700
#57636A
oklch(49.2% 0.019 233.4)
-
Step 800
800 (this color)
#4B545A
oklch(44% 0.015 237)
-
Step 900
900
#3C4347
oklch(37.8% 0.012 232.7)
-
Step 950
950
#23272A
oklch(27% 0.008 240.2)
#4B545A 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) | #51545A | 0.009 |
| Deuteranopia (no green cones) | #4F525A | 0.008 |
| Tritanopia (no blue cones) | #475656 | 0.012 |
| Achromatopsia (no color) | #535353 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B545A
#4B545A
oklch(44% 0.015 237)
- #59514B
#59514B
oklch(44.1% 0.014 59.3)
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 #4B545A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.047
- Dusty Grape #545775 ΔE 0.047
- Slate #516572 ΔE 0.058
- Petrol #005F6A ΔE 0.064
- Dark Green Blue #1F6357 ΔE 0.065
- Deep Teal #00555A ΔE 0.066
- Dusk #4E5481 ΔE 0.066
Use #4B545A 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.