#3F684E
Closest named color: Dark Green Blue (#1F6357). oklch(47.9% 0.063 155.4), rgb(63, 104, 78).
Aa
White text reads best on this color (6.36:1).
About this color
#3F684E is a medium-dark, muted green. In OKLCH its lightness is 48%, its chroma 0.063 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 0.038 away. White text reads best on it, at 6.36:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.30:1 |
| White text | 6.36:1 |
Values
| HEX | #3F684E |
| RGB | rgb(63, 104, 78) |
| HSL | hsl(142, 25%, 33%) |
| OKLCH | oklch(47.9% 0.063 155.4) |
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 #3F684E | 6.36:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #3F684E | 3.30:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #3F684E text on white | 6.36:1 | AA | Lc 81.6 | Fine for body text |
| #3F684E text on black | 3.30:1 | AA large text | Lc -20.3 | 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
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B2C7B8
oklch(80.9% 0.031 154.6)
-
Step 400
400
#89AA94
oklch(70.7% 0.048 155.8)
-
Step 500
500
#6B9579
oklch(63.1% 0.062 155)
-
Step 600
600
#527F62
oklch(55.5% 0.067 155.3)
-
Step 700
700 (this color)
#3F684E
oklch(47.9% 0.063 155.4)
-
Step 800
800
#375843
oklch(42.8% 0.052 155.6)
-
Step 900
900
#304838
oklch(37.7% 0.04 154.8)
-
Step 950
950
#1C2A21
oklch(26.9% 0.025 156.1)
#3F684E 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) | #68624D | 0.058 |
| Deuteranopia (no green cones) | #615D4F | 0.056 |
| Tritanopia (no blue cones) | #376761 | 0.031 |
| Achromatopsia (no color) | #5F5F5F | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F684E
#3F684E
oklch(47.9% 0.063 155.4)
- #74506B
#74506B
oklch(48% 0.062 335.9)
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 #3F684E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.038
- Dark Olive Green #556B2F ΔE 0.049
- Camo Green #526525 ΔE 0.051
- Dark Moss Green #606C38 ΔE 0.053
- Dark Aqua #05696B ΔE 0.053
- Pine #2B5D34 ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.057
- Deep Turquoise #017374 ΔE 0.061
Use #3F684E 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.