#306F4D
Closest named color: Dark Olive Green (#556B2F). oklch(49% 0.086 157.4), rgb(48, 111, 77).
Aa
White text reads best on this color (5.98:1).
About this color
#306F4D is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.086 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.048 away. White text reads best on it, at 5.98:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.50:1 |
| White text | 5.98:1 |
Values
| HEX | #306F4D |
| RGB | rgb(48, 111, 77) |
| HSL | hsl(148, 40%, 31%) |
| OKLCH | oklch(49% 0.086 157.4) |
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 #306F4D | 5.98:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #306F4D | 3.50:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #306F4D text on white | 5.98:1 | AA | Lc 79.7 | Fine for body text |
| #306F4D text on black | 3.50:1 | 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
#CDDED3
oklch(88.5% 0.024 157.5)
-
Step 300
300
#ABC9B6
oklch(80.8% 0.042 157.5)
-
Step 400
400
#7EAE90
oklch(70.8% 0.067 156.8)
-
Step 500
500
#5B9975
oklch(63.1% 0.085 157.4)
-
Step 600
600
#3F835E
oklch(55.5% 0.091 157.7)
-
Step 700
700 (this color)
#306F4D
oklch(49% 0.086 157.4)
-
Step 800
800
#295B3F
oklch(42.8% 0.072 156.9)
-
Step 900
900
#264A36
oklch(37.6% 0.055 158)
-
Step 950
950
#172C20
oklch(27.1% 0.035 157.9)
#306F4D 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) | #6E674B | 0.079 |
| Deuteranopia (no green cones) | #65614F | 0.076 |
| Tritanopia (no blue cones) | #1C6E66 | 0.040 |
| Achromatopsia (no color) | #636363 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #306F4D
#306F4D
oklch(49% 0.086 157.4)
- #7F4D72
#7F4D72
oklch(49% 0.085 337)
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 #306F4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.049
- Dark Aquamarine #017371 ΔE 0.053
- Camo Green #526525 ΔE 0.054
- Dark Moss Green #606C38 ΔE 0.056
- Deep Turquoise #017374 ΔE 0.058
- Dark Aqua #05696B ΔE 0.059
- Pine #2B5D34 ΔE 0.060
Use #306F4D 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.