#317258
Closest named color: Dark Aquamarine (#017371). oklch(50.2% 0.079 164.6), rgb(49, 114, 88).
Aa
White text reads best on this color (5.70:1).
About this color
#317258 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.079 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.041 away. White text reads best on it, at 5.70:1.
| 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 | 5.70:1 |
Values
| HEX | #317258 |
| RGB | rgb(49, 114, 88) |
| HSL | hsl(156, 40%, 32%) |
| OKLCH | oklch(50.2% 0.079 164.6) |
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 #317258 | 5.70:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #317258 | 3.67:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #317258 text on white | 5.70:1 | AA | Lc 78.4 | Fine for body text |
| #317258 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#ABC9BA
oklch(80.9% 0.038 163.8)
-
Step 400
400
#7DAD97
oklch(70.7% 0.061 164.7)
-
Step 500
500
#59997D
oklch(63.2% 0.079 164.3)
-
Step 600
600
#3C8366
oklch(55.6% 0.086 164.4)
-
Step 700
700 (this color)
#317258
oklch(50.2% 0.079 164.6)
-
Step 800
800
#275A46
oklch(42.6% 0.065 165.3)
-
Step 900
900
#254A3B
oklch(37.6% 0.05 165.6)
-
Step 950
950
#162C22
oklch(27.1% 0.034 163.4)
#317258 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) | #706A57 | 0.079 |
| Deuteranopia (no green cones) | #66645A | 0.075 |
| Tritanopia (no blue cones) | #16726B | 0.031 |
| Achromatopsia (no color) | #666666 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #317258
#317258
oklch(50.2% 0.079 164.6)
- #84516E
#84516E
oklch(50.2% 0.079 345.2)
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 #317258, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.045
- Bluegreen #017A79 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.052
- Dark Aqua #05696B ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.057
- Deep Aqua #08787F ΔE 0.058
- Dark Moss Green #606C38 ΔE 0.060
Use #317258 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.