#445A52
Closest named color: Dark Green Blue (#1F6357). oklch(44.7% 0.03 170.6), rgb(68, 90, 82).
Aa
White text reads best on this color (7.42:1).
About this color
#445A52 is a dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.041 away. White text reads best on it, at 7.42:1.
| Hue family | Neutrals |
| Lightness | dark (45%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.83:1 |
| White text | 7.42:1 |
Values
| HEX | #445A52 |
| RGB | rgb(68, 90, 82) |
| HSL | hsl(158, 14%, 31%) |
| OKLCH | oklch(44.7% 0.03 170.6) |
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 #445A52 | 7.42:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #445A52 | 2.83:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #445A52 text on white | 7.42:1 | AAA | Lc 85.8 | Fine for body text |
| #445A52 text on black | 2.83:1 | Fails | Lc -16.3 | 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 800.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D3DBD8
oklch(88.4% 0.01 171.8)
-
Step 300
300
#B6C4BF
oklch(80.8% 0.017 172.5)
-
Step 400
400
#90A79E
oklch(70.8% 0.029 169.9)
-
Step 500
500
#749186
oklch(63.1% 0.037 170)
-
Step 600
600
#5D7B70
oklch(55.6% 0.039 170.4)
-
Step 700
700
#4C685E
oklch(49.2% 0.037 170.8)
-
Step 800
800 (this color)
#445A52
oklch(44.7% 0.03 170.6)
-
Step 900
900
#354640
oklch(37.7% 0.024 171.4)
-
Step 950
950
#1F2925
oklch(27% 0.016 168.8)
#445A52 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) | #595752 | 0.032 |
| Deuteranopia (no green cones) | #555453 | 0.030 |
| Tritanopia (no blue cones) | #3F5A58 | 0.011 |
| Achromatopsia (no color) | #555555 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445A52
#445A52
oklch(44.7% 0.03 170.6)
- #624E56
#624E56
oklch(44.7% 0.029 352.4)
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 #445A52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.041
- Dark Slate Gray #2F4F4F ΔE 0.047
- Petrol #005F6A ΔE 0.056
- Slate #516572 ΔE 0.059
- Deep Teal #00555A ΔE 0.060
- Dark Aqua #05696B ΔE 0.060
- YInMn Blue #415A77 ΔE 0.061
- Pine #2B5D34 ΔE 0.062
Use #445A52 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.