#3F604D
Closest named color: Dark Green Blue (#1F6357). oklch(45.8% 0.05 158.4), rgb(63, 96, 77).
Aa
White text reads best on this color (7.01:1).
About this color
#3F604D is a medium-dark, muted green. In OKLCH its lightness is 46%, its chroma 0.050 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.030 away. White text reads best on it, at 7.01:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #3F604D |
| RGB | rgb(63, 96, 77) |
| HSL | hsl(145, 21%, 31%) |
| OKLCH | oklch(45.8% 0.05 158.4) |
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 #3F604D | 7.01:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #3F604D | 2.99:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #3F604D text on white | 7.01:1 | AAA | Lc 84.3 | Fine for body text |
| #3F604D text on black | 2.99:1 | Fails | Lc -17.7 | 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 800.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D1DDD5
oklch(88.6% 0.017 156.9)
-
Step 300
300
#B2C7BA
oklch(81% 0.029 158.5)
-
Step 400
400
#89AA96
oklch(70.8% 0.046 158.4)
-
Step 500
500
#6B957C
oklch(63.2% 0.06 158)
-
Step 600
600
#527F65
oklch(55.6% 0.064 158.1)
-
Step 700
700
#426B54
oklch(49% 0.059 158.7)
-
Step 800
800 (this color)
#3F604D
oklch(45.8% 0.05 158.4)
-
Step 900
900
#30483A
oklch(37.7% 0.038 158.3)
-
Step 950
950
#1C2A22
oklch(26.9% 0.024 159.2)
#3F604D 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) | #5F5B4C | 0.046 |
| Deuteranopia (no green cones) | #5A574E | 0.046 |
| Tritanopia (no blue cones) | #38605B | 0.023 |
| Achromatopsia (no color) | #595959 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F604D
#3F604D
oklch(45.8% 0.05 158.4)
- #6A4D61
#6A4D61
oklch(45.8% 0.049 338.2)
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 #3F604D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.030
- Pine #2B5D34 ΔE 0.046
- Dark Aqua #05696B ΔE 0.053
- Spruce #0A5F38 ΔE 0.057
- Petrol #005F6A ΔE 0.060
- Camo Green #526525 ΔE 0.062
- Dark Slate Gray #2F4F4F ΔE 0.062
- Army Green #4B5D16 ΔE 0.064
Use #3F604D 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.