#445D51
Closest named color: Dark Green Blue (#1F6357). oklch(45.4% 0.036 163.9), rgb(68, 93, 81).
Aa
White text reads best on this color (7.16:1).
About this color
#445D51 is a medium-dark, muted green. In OKLCH its lightness is 45%, its chroma 0.036 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.037 away. White text reads best on it, at 7.16:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #445D51 |
| RGB | rgb(68, 93, 81) |
| HSL | hsl(151, 16%, 32%) |
| OKLCH | oklch(45.4% 0.036 163.9) |
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 #445D51 | 7.16:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #445D51 | 2.93:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #445D51 text on white | 7.16:1 | AAA | Lc 84.9 | Fine for body text |
| #445D51 text on black | 2.93:1 | Fails | Lc -17.2 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D3DCD7
oklch(88.6% 0.012 162)
-
Step 300
300
#B5C5BD
oklch(80.9% 0.021 164.5)
-
Step 400
400
#8EA89B
oklch(70.8% 0.034 163.8)
-
Step 500
500
#729282
oklch(63.1% 0.043 163.2)
-
Step 600
600
#5A7C6C
oklch(55.5% 0.046 164.2)
-
Step 700
700
#4A695A
oklch(49.2% 0.044 163.3)
-
Step 800
800 (this color)
#445D51
oklch(45.4% 0.036 163.9)
-
Step 900
900
#34463E
oklch(37.6% 0.027 166)
-
Step 950
950
#1F2924
oklch(27% 0.017 163.4)
#445D51 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) | #5C5950 | 0.036 |
| Deuteranopia (no green cones) | #585652 | 0.035 |
| Tritanopia (no blue cones) | #3F5D59 | 0.014 |
| Achromatopsia (no color) | #585858 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445D51
#445D51
oklch(45.4% 0.036 163.9)
- #654F5B
#654F5B
oklch(45.4% 0.035 344.6)
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 #445D51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.055
- Dark Aqua #05696B ΔE 0.056
- Pine #2B5D34 ΔE 0.057
- Slate #516572 ΔE 0.058
- Petrol #005F6A ΔE 0.058
- Deep Teal #00555A ΔE 0.065
- YInMn Blue #415A77 ΔE 0.067
Use #445D51 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.