#3F644C
Closest named color: Dark Green Blue (#1F6357). oklch(46.8% 0.058 155.1), rgb(63, 100, 76).
Aa
White text reads best on this color (6.69:1).
About this color
#3F644C is a medium-dark, muted green. In OKLCH its lightness is 47%, its chroma 0.058 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.032 away. White text reads best on it, at 6.69:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.13:1 |
| White text | 6.69:1 |
Values
| HEX | #3F644C |
| RGB | rgb(63, 100, 76) |
| HSL | hsl(141, 23%, 32%) |
| OKLCH | oklch(46.8% 0.058 155.1) |
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 #3F644C | 6.69:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #3F644C | 3.13:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #3F644C text on white | 6.69:1 | AA | Lc 83.0 | Fine for body text |
| #3F644C text on black | 3.13:1 | AA large text | Lc -19.0 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D2DCD5
oklch(88.5% 0.014 155.6)
-
Step 300
300
#B3C6B9
oklch(80.8% 0.027 155.8)
-
Step 400
400
#8BA995
oklch(70.6% 0.044 155.9)
-
Step 500
500
#6E947A
oklch(63.1% 0.057 154.6)
-
Step 600
600
#557E63
oklch(55.5% 0.062 155)
-
Step 700
700 (this color)
#3F644C
oklch(46.8% 0.058 155.1)
-
Step 800
800
#395744
oklch(42.7% 0.048 156)
-
Step 900
900
#324839
oklch(37.8% 0.038 154.5)
-
Step 950
950
#1D2A21
oklch(27% 0.024 154.3)
#3F644C 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) | #645E4B | 0.053 |
| Deuteranopia (no green cones) | #5E5A4D | 0.051 |
| Tritanopia (no blue cones) | #38635D | 0.028 |
| Achromatopsia (no color) | #5C5C5C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F644C
#3F644C
oklch(46.8% 0.058 155.1)
- #6F4E67
#6F4E67
oklch(46.8% 0.058 335.5)
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 #3F644C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.032
- Pine #2B5D34 ΔE 0.047
- Camo Green #526525 ΔE 0.053
- Dark Aqua #05696B ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.055
- Spruce #0A5F38 ΔE 0.057
- Dark Moss Green #606C38 ΔE 0.060
- Army Green #4B5D16 ΔE 0.060
Use #3F644C 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.