#445B54
Closest named color: Dark Green Blue (#1F6357). oklch(45% 0.03 174.3), rgb(68, 91, 84).
Aa
White text reads best on this color (7.31:1).
About this color
#445B54 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.030 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.040 away. White text reads best on it, at 7.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.87:1 |
| White text | 7.31:1 |
Values
| HEX | #445B54 |
| RGB | rgb(68, 91, 84) |
| HSL | hsl(162, 14%, 31%) |
| OKLCH | oklch(45% 0.03 174.3) |
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 #445B54 | 7.31:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #445B54 | 2.87:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #445B54 text on white | 7.31:1 | AAA | Lc 85.4 | Fine for body text |
| #445B54 text on black | 2.87:1 | Fails | Lc -16.6 | 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
#B6C4C0
oklch(80.8% 0.016 177)
-
Step 400
400
#8FA79F
oklch(70.8% 0.029 173.3)
-
Step 500
500
#739188
oklch(63.1% 0.036 174.9)
-
Step 600
600
#5C7B72
oklch(55.6% 0.038 175.1)
-
Step 700
700
#4B685F
oklch(49.2% 0.037 173.6)
-
Step 800
800 (this color)
#445B54
oklch(45% 0.03 174.3)
-
Step 900
900
#354641
oklch(37.8% 0.023 175.1)
-
Step 950
950
#1F2926
oklch(27% 0.015 174.9)
#445B54 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) | #595854 | 0.031 |
| Deuteranopia (no green cones) | #555554 | 0.030 |
| Tritanopia (no blue cones) | #3E5C59 | 0.010 |
| Achromatopsia (no color) | #565656 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445B54
#445B54
oklch(45% 0.03 174.3)
- #634F56
#634F56
oklch(45% 0.029 355.3)
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 #445B54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.049
- Petrol #005F6A ΔE 0.055
- Slate #516572 ΔE 0.055
- Dark Aqua #05696B ΔE 0.058
- YInMn Blue #415A77 ΔE 0.059
- Deep Teal #00555A ΔE 0.061
- Pine #2B5D34 ΔE 0.063
Use #445B54 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.