#445F59
Closest named color: Dark Green Blue (#1F6357). oklch(46.2% 0.034 179.5), rgb(68, 95, 89).
Aa
White text reads best on this color (6.93:1).
About this color
#445F59 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.034 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.037 away. White text reads best on it, at 6.93:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.02:1 |
| White text | 6.93:1 |
Values
| HEX | #445F59 |
| RGB | rgb(68, 95, 89) |
| HSL | hsl(167, 17%, 32%) |
| OKLCH | oklch(46.2% 0.034 179.5) |
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 #445F59 | 6.93:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #445F59 | 3.02:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #445F59 text on white | 6.93:1 | AA | Lc 84.0 | Fine for body text |
| #445F59 text on black | 3.02:1 | AA large text | Lc -18.0 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBD9
oklch(88.5% 0.009 179.6)
-
Step 300
300
#B6C4C1
oklch(80.9% 0.016 181.7)
-
Step 400
400
#90A6A1
oklch(70.7% 0.026 180.3)
-
Step 500
500
#74908A
oklch(63% 0.033 180.7)
-
Step 600
600
#5C7B74
oklch(55.7% 0.037 179.4)
-
Step 700
700 (this color)
#445F59
oklch(46.2% 0.034 179.5)
-
Step 800
800
#3E544F
oklch(42.6% 0.028 179.4)
-
Step 900
900
#354642
oklch(37.8% 0.023 179)
-
Step 950
950
#1F2927
oklch(27.1% 0.014 181.6)
#445F59 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) | #5D5C59 | 0.036 |
| Deuteranopia (no green cones) | #585859 | 0.034 |
| Tritanopia (no blue cones) | #3D605D | 0.009 |
| Achromatopsia (no color) | #5A5A5A | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445F59
#445F59
oklch(46.2% 0.034 179.5)
- #695158
#695158
oklch(46.2% 0.034 359.2)
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 #445F59, 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
- Slate #516572 ΔE 0.046
- Dark Aqua #05696B ΔE 0.050
- Petrol #005F6A ΔE 0.053
- YInMn Blue #415A77 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.060
- Dusty Grape #545775 ΔE 0.064
- Deep Teal #00555A ΔE 0.067
Use #445F59 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.