#45555E
Closest named color: YInMn Blue (#415A77). oklch(43.9% 0.025 232.7), rgb(69, 85, 94).
Aa
White text reads best on this color (7.73:1).
About this color
#45555E is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.040 away. White text reads best on it, at 7.73:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #45555E |
| RGB | rgb(69, 85, 94) |
| HSL | hsl(202, 15%, 32%) |
| OKLCH | oklch(43.9% 0.025 232.7) |
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 #45555E | 7.73:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #45555E | 2.71:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #45555E text on white | 7.73:1 | AAA | Lc 86.9 | Fine for body text |
| #45555E 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B8C2C9
oklch(80.8% 0.015 238.1)
-
Step 400
400
#93A3AD
oklch(70.6% 0.023 235.2)
-
Step 500
500
#788D99
oklch(63.1% 0.03 233)
-
Step 600
600
#617783
oklch(55.6% 0.032 231.9)
-
Step 700
700
#50646F
oklch(49.1% 0.03 232.2)
-
Step 800
800 (this color)
#45555E
oklch(43.9% 0.025 232.7)
-
Step 900
900
#38444A
oklch(37.8% 0.019 229.5)
-
Step 950
950
#21282C
oklch(27.2% 0.012 232.9)
#45555E 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) | #51545E | 0.018 |
| Deuteranopia (no green cones) | #4D515E | 0.016 |
| Tritanopia (no blue cones) | #3E5758 | 0.017 |
| Achromatopsia (no color) | #535353 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45555E
#45555E
oklch(43.9% 0.025 232.7)
- #5E4F46
#5E4F46
oklch(44% 0.025 52.8)
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 #45555E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.043
- Dusty Grape #545775 ΔE 0.045
- Petrol #005F6A ΔE 0.055
- Slate #516572 ΔE 0.056
- Deep Teal #00555A ΔE 0.058
- Dark Green Blue #1F6357 ΔE 0.061
- Dusk #4E5481 ΔE 0.062
Use #45555E 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.