#3F7259
Closest named color: Dark Aquamarine (#017371). oklch(50.9% 0.069 161.3), rgb(63, 114, 89).
Aa
White text reads best on this color (5.58:1).
About this color
#3F7259 is a medium-dark, muted green. In OKLCH its lightness is 51%, its chroma 0.069 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.045 away. White text reads best on it, at 5.58:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.76:1 |
| White text | 5.58:1 |
Values
| HEX | #3F7259 |
| RGB | rgb(63, 114, 89) |
| HSL | hsl(151, 29%, 35%) |
| OKLCH | oklch(50.9% 0.069 161.3) |
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 #3F7259 | 5.58:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #3F7259 | 3.76:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #3F7259 text on white | 5.58:1 | AA | Lc 77.8 | Fine for body text |
| #3F7259 text on black | 3.76:1 | AA large text | Lc -24.0 | 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
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#CFDDD5
oklch(88.5% 0.019 161.1)
-
Step 300
300
#AFC8BA
oklch(81% 0.033 161.1)
-
Step 400
400
#84AB96
oklch(70.6% 0.052 161.2)
-
Step 500
500
#63977C
oklch(63.2% 0.069 160.9)
-
Step 600
600
#498165
oklch(55.6% 0.074 160.9)
-
Step 700
700 (this color)
#3F7259
oklch(50.9% 0.069 161.3)
-
Step 800
800
#305945
oklch(42.7% 0.058 161.4)
-
Step 900
900
#2B493A
oklch(37.7% 0.045 161.5)
-
Step 950
950
#1A2B22
oklch(27.1% 0.028 160.6)
#3F7259 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) | #716B58 | 0.067 |
| Deuteranopia (no green cones) | #69665B | 0.064 |
| Tritanopia (no blue cones) | #32726B | 0.029 |
| Achromatopsia (no color) | #686868 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F7259
#3F7259
oklch(50.9% 0.069 161.3)
- #815671
#815671
oklch(50.9% 0.068 341.7)
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 #3F7259, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.045
- Deep Turquoise #017374 ΔE 0.049
- Bluegreen #017A79 ΔE 0.051
- Dark Moss Green #606C38 ΔE 0.052
- Dark Olive Green #556B2F ΔE 0.053
- Deep Aqua #08787F ΔE 0.059
- Dark Aqua #05696B ΔE 0.059
- Dark Green Blue #1F6357 ΔE 0.059
Use #3F7259 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.