#306F4F
Closest named color: Dark Green Blue (#1F6357). oklch(49.1% 0.084 158.9), rgb(48, 111, 79).
Aa
White text reads best on this color (5.97:1).
About this color
#306F4F is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.084 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.048 away. White text reads best on it, at 5.97:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #306F4F |
| RGB | rgb(48, 111, 79) |
| HSL | hsl(150, 40%, 31%) |
| OKLCH | oklch(49.1% 0.084 158.9) |
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 #306F4F | 5.97:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #306F4F | 3.51:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #306F4F text on white | 5.97:1 | AA | Lc 79.7 | Fine for body text |
| #306F4F text on black | 3.51:1 | AA large text | Lc -22.1 | 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 700.
-
Step 50
50
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#ABC9B7
oklch(80.9% 0.041 159)
-
Step 400
400
#7EAD92
oklch(70.6% 0.064 159)
-
Step 500
500
#5B9977
oklch(63.1% 0.083 158.8)
-
Step 600
600
#3F8360
oklch(55.5% 0.089 159.1)
-
Step 700
700 (this color)
#306F4F
oklch(49.1% 0.084 158.9)
-
Step 800
800
#295A41
oklch(42.6% 0.068 159.3)
-
Step 900
900
#264A37
oklch(37.6% 0.053 159.3)
-
Step 950
950
#172C20
oklch(27.1% 0.035 157.9)
#306F4F 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) | #6E674D | 0.078 |
| Deuteranopia (no green cones) | #656151 | 0.076 |
| Tritanopia (no blue cones) | #1B6E66 | 0.038 |
| Achromatopsia (no color) | #636363 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306F4F
#306F4F
oklch(49.1% 0.084 158.9)
- #804D70
#804D70
oklch(49.1% 0.084 339.5)
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 #306F4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.048
- Dark Olive Green #556B2F ΔE 0.049
- Dark Aquamarine #017371 ΔE 0.051
- Deep Turquoise #017374 ΔE 0.055
- Camo Green #526525 ΔE 0.056
- Dark Aqua #05696B ΔE 0.056
- Dark Moss Green #606C38 ΔE 0.057
- Pine #2B5D34 ΔE 0.061
Use #306F4F 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.