#445D5F
Closest named color: Slate (#516572). oklch(45.9% 0.03 202.3), rgb(68, 93, 95).
Aa
White text reads best on this color (7.05:1).
About this color
#445D5F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.030 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.041 away. White text reads best on it, at 7.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #445D5F |
| RGB | rgb(68, 93, 95) |
| HSL | hsl(184, 17%, 32%) |
| OKLCH | oklch(45.9% 0.03 202.3) |
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 #445D5F | 7.05:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #445D5F | 2.97:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #445D5F text on white | 7.05:1 | AAA | Lc 84.4 | Fine for body text |
| #445D5F text on black | 2.97:1 | Fails | Lc -17.6 | 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 700.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEB
oklch(93.7% 0.004 197.1)
-
Step 200
200
#D3DBDB
oklch(88.5% 0.009 197)
-
Step 300
300
#B6C4C5
oklch(81% 0.015 202)
-
Step 400
400
#90A5A7
oklch(70.6% 0.024 203.6)
-
Step 500
500
#758F91
oklch(63.1% 0.03 202.2)
-
Step 600
600
#5D797B
oklch(55.5% 0.032 201.7)
-
Step 700
700 (this color)
#445D5F
oklch(45.9% 0.03 202.3)
-
Step 800
800
#3F5355
oklch(42.6% 0.025 203.9)
-
Step 900
900
#364546
oklch(37.8% 0.019 201.4)
-
Step 950
950
#202829
oklch(27% 0.011 205.8)
#445D5F 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) | #595B5F | 0.030 |
| Deuteranopia (no green cones) | #54575F | 0.028 |
| Tritanopia (no blue cones) | #3B5F5E | 0.013 |
| Achromatopsia (no color) | #595959 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445D5F
#445D5F
oklch(45.9% 0.03 202.3)
- #685150
#685150
oklch(45.8% 0.031 21.2)
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 #445D5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.044
- Dark Green Blue #1F6357 ΔE 0.044
- Petrol #005F6A ΔE 0.049
- Dark Aqua #05696B ΔE 0.051
- Dusty Grape #545775 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.057
- Deep Teal #00555A ΔE 0.064
Use #445D5F 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.