#45505C
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.6% 0.024 250.7), rgb(69, 80, 92).
Aa
White text reads best on this color (8.21:1).
About this color
#45505C is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.039 away. White text reads best on it, at 8.21:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #45505C |
| RGB | rgb(69, 80, 92) |
| HSL | hsl(211, 14%, 32%) |
| OKLCH | oklch(42.6% 0.024 250.7) |
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 #45505C | 8.21:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #45505C | 2.55:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #45505C text on white | 8.21:1 | AAA | Lc 88.4 | Fine for body text |
| #45505C text on black | 2.55:1 | Fails | Lc -13.8 | Not readable |
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
#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
#546271
oklch(49% 0.03 250.2)
-
Step 800
800 (this color)
#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)
#45505C 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) | #4C505D | 0.011 |
| Deuteranopia (no green cones) | #494E5C | 0.008 |
| Tritanopia (no blue cones) | #3F5354 | 0.021 |
| Achromatopsia (no color) | #4F4F4F | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45505C
#45505C
oklch(42.6% 0.024 250.7)
- #584D40
#584D40
oklch(42.7% 0.025 71.7)
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 #45505C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.039
- YInMn Blue #415A77 ΔE 0.046
- Dusty Grape #545775 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.052
- Charcoal #264653 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.059
- Deep Teal #00555A ΔE 0.059
- Dusk #4E5481 ΔE 0.063
Use #45505C 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.