#3F644A
Closest named color: Dark Green Blue (#1F6357). oklch(46.7% 0.06 153), rgb(63, 100, 74).
Aa
White text reads best on this color (6.70:1).
About this color
#3F644A is a medium-dark, muted green. In OKLCH its lightness is 47%, its chroma 0.060 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.034 away. White text reads best on it, at 6.70:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #3F644A |
| RGB | rgb(63, 100, 74) |
| HSL | hsl(138, 23%, 32%) |
| OKLCH | oklch(46.7% 0.06 153) |
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 #3F644A | 6.70:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #3F644A | 3.13:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #3F644A text on white | 6.70:1 | AA | Lc 83.0 | Fine for body text |
| #3F644A text on black | 3.13:1 | AA large text | Lc -18.9 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D2DCD4
oklch(88.5% 0.015 151.7)
-
Step 300
300
#B3C6B8
oklch(80.8% 0.028 153.8)
-
Step 400
400
#8BA993
oklch(70.6% 0.046 153.3)
-
Step 500
500
#6E9479
oklch(63% 0.058 153.6)
-
Step 600
600
#567F61
oklch(55.7% 0.065 152.3)
-
Step 700
700 (this color)
#3F644A
oklch(46.7% 0.06 153)
-
Step 800
800
#395742
oklch(42.7% 0.05 153.4)
-
Step 900
900
#324838
oklch(37.8% 0.039 152.8)
-
Step 950
950
#1D2A21
oklch(27% 0.024 154.3)
#3F644A 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) | #645E49 | 0.053 |
| Deuteranopia (no green cones) | #5E5A4B | 0.052 |
| Tritanopia (no blue cones) | #39635D | 0.031 |
| Achromatopsia (no color) | #5C5C5C | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F644A
#3F644A
oklch(46.7% 0.06 153)
- #6F4D69
#6F4D69
oklch(46.7% 0.062 332.9)
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 #3F644A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.034
- Pine #2B5D34 ΔE 0.044
- Camo Green #526525 ΔE 0.050
- Dark Olive Green #556B2F ΔE 0.053
- Spruce #0A5F38 ΔE 0.055
- Dark Aqua #05696B ΔE 0.056
- Army Green #4B5D16 ΔE 0.057
- Dark Moss Green #606C38 ΔE 0.059
Use #3F644A 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.