#3F5E4E
Closest named color: Dark Green Blue (#1F6357). oklch(45.3% 0.045 161.4), rgb(63, 94, 78).
Aa
White text reads best on this color (7.18:1).
About this color
#3F5E4E is a medium-dark, muted green. In OKLCH its lightness is 45%, its chroma 0.045 and its hue 161°. 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 7.18:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #3F5E4E |
| RGB | rgb(63, 94, 78) |
| HSL | hsl(149, 20%, 31%) |
| OKLCH | oklch(45.3% 0.045 161.4) |
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 #3F5E4E | 7.18:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #3F5E4E | 2.92:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #3F5E4E text on white | 7.18:1 | AAA | Lc 84.9 | Fine for body text |
| #3F5E4E text on black | 2.92:1 | Fails | Lc -17.1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D1DCD6
oklch(88.4% 0.014 162.4)
-
Step 300
300
#B2C6BB
oklch(80.8% 0.027 161.8)
-
Step 400
400
#8AA998
oklch(70.6% 0.042 161.1)
-
Step 500
500
#6C947F
oklch(63.1% 0.054 161.4)
-
Step 600
600
#547E68
oklch(55.5% 0.058 160.9)
-
Step 700
700
#446B57
oklch(49.2% 0.055 161.1)
-
Step 800
800 (this color)
#3F5E4E
oklch(45.3% 0.045 161.4)
-
Step 900
900
#31483C
oklch(37.9% 0.035 161.4)
-
Step 950
950
#1D2A23
oklch(27% 0.022 160.9)
#3F5E4E 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) | #5D5A4D | 0.043 |
| Deuteranopia (no green cones) | #58564F | 0.042 |
| Tritanopia (no blue cones) | #385E59 | 0.018 |
| Achromatopsia (no color) | #575757 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F5E4E
#3F5E4E
oklch(45.3% 0.045 161.4)
- #684C5D
#684C5D
oklch(45.2% 0.045 342)
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 #3F5E4E, 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 0.048
- Dark Aqua #05696B ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.056
- Petrol #005F6A ΔE 0.057
- Spruce #0A5F38 ΔE 0.059
- Deep Teal #00555A ΔE 0.063
- Slate #516572 ΔE 0.064
Use #3F5E4E 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.