#3F6958
Closest named color: Dark Green Blue (#1F6357). oklch(48.5% 0.055 166.5), rgb(63, 105, 88).
Aa
White text reads best on this color (6.22:1).
About this color
#3F6958 is a medium-dark, muted green. In OKLCH its lightness is 48%, its chroma 0.055 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.037 away. White text reads best on it, at 6.22:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #3F6958 |
| RGB | rgb(63, 105, 88) |
| HSL | hsl(156, 25%, 33%) |
| OKLCH | oklch(48.5% 0.055 166.5) |
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 #3F6958 | 6.22:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #3F6958 | 3.37:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #3F6958 text on white | 6.22:1 | AA | Lc 81.0 | Fine for body text |
| #3F6958 text on black | 3.37:1 | AA large text | Lc -20.9 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B1C6BD
oklch(80.8% 0.026 168.1)
-
Step 400
400
#88A99B
oklch(70.6% 0.042 167.5)
-
Step 500
500
#6A9482
oklch(63% 0.054 166.3)
-
Step 600
600
#507F6C
oklch(55.7% 0.06 166.8)
-
Step 700
700 (this color)
#3F6958
oklch(48.5% 0.055 166.5)
-
Step 800
800
#365749
oklch(42.7% 0.045 165.7)
-
Step 900
900
#2F483D
oklch(37.8% 0.036 165.3)
-
Step 950
950
#1C2A24
oklch(27% 0.022 166.4)
#3F6958 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) | #676457 | 0.055 |
| Deuteranopia (no green cones) | #605F59 | 0.052 |
| Tritanopia (no blue cones) | #346964 | 0.021 |
| Achromatopsia (no color) | #616161 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F6958
#3F6958
oklch(48.5% 0.055 166.5)
- #765265
#765265
oklch(48.4% 0.055 346.4)
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 #3F6958, 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
- Dark Aqua #05696B ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.050
- Slate #516572 ΔE 0.054
- Dark Moss Green #606C38 ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.061
- Bluegreen #017A79 ΔE 0.062
Use #3F6958 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.