#307259
Closest named color: Dark Aquamarine (#017371). oklch(50.2% 0.079 165.7), rgb(48, 114, 89).
Aa
White text reads best on this color (5.71:1).
About this color
#307259 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.079 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.039 away. White text reads best on it, at 5.71:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #307259 |
| RGB | rgb(48, 114, 89) |
| HSL | hsl(157, 41%, 32%) |
| OKLCH | oklch(50.2% 0.079 165.7) |
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 #307259 | 5.71:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #307259 | 3.67:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #307259 text on white | 5.71:1 | AA | Lc 78.4 | Fine for body text |
| #307259 text on black | 3.67:1 | AA large text | Lc -23.4 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#AAC9BB
oklch(80.9% 0.039 166.3)
-
Step 400
400
#7CAD98
oklch(70.7% 0.061 166.3)
-
Step 500
500
#58997E
oklch(63.1% 0.079 165.4)
-
Step 600
600
#3B8367
oklch(55.6% 0.085 165.4)
-
Step 700
700 (this color)
#307259
oklch(50.2% 0.079 165.7)
-
Step 800
800
#265A46
oklch(42.6% 0.066 165.6)
-
Step 900
900
#254A3B
oklch(37.6% 0.05 165.6)
-
Step 950
950
#162C23
oklch(27.1% 0.033 165.9)
#307259 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) | #706B58 | 0.079 |
| Deuteranopia (no green cones) | #66645B | 0.075 |
| Tritanopia (no blue cones) | #13726B | 0.030 |
| Achromatopsia (no color) | #666666 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #307259
#307259
oklch(50.2% 0.079 165.7)
- #84516D
#84516D
oklch(50.2% 0.078 346.2)
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 #307259, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.039
- Deep Turquoise #017374 ΔE 0.043
- Bluegreen #017A79 ΔE 0.048
- Dark Aqua #05696B ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.052
- Deep Aqua #08787F ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.058
- Dark Moss Green #606C38 ΔE 0.061
Use #307259 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.