#31745F
Closest named color: Dark Aquamarine (#017371). oklch(50.9% 0.076 169.9), rgb(49, 116, 95).
Aa
White text reads best on this color (5.53:1).
About this color
#31745F is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.076 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.034 away. White text reads best on it, at 5.53:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #31745F |
| RGB | rgb(49, 116, 95) |
| HSL | hsl(161, 41%, 32%) |
| OKLCH | oklch(50.9% 0.076 169.9) |
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 #31745F | 5.53:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #31745F | 3.79:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #31745F text on white | 5.53:1 | AA | Lc 77.5 | Fine for body text |
| #31745F text on black | 3.79:1 | AA large text | Lc -24.3 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#AAC9BD
oklch(81% 0.037 170)
-
Step 400
400
#7BAD9B
oklch(70.7% 0.059 170.2)
-
Step 500
500
#579882
oklch(63% 0.075 170)
-
Step 600
600
#3A836C
oklch(55.7% 0.082 170)
-
Step 700
700 (this color)
#31745F
oklch(50.9% 0.076 169.9)
-
Step 800
800
#255A4A
oklch(42.7% 0.063 170.8)
-
Step 900
900
#244A3D
oklch(37.7% 0.049 169.2)
-
Step 950
950
#162B24
oklch(26.9% 0.03 170.6)
#31745F 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) | #716D5E | 0.078 |
| Deuteranopia (no green cones) | #676560 | 0.076 |
| Tritanopia (no blue cones) | #0F756E | 0.026 |
| Achromatopsia (no color) | #686868 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31745F
#31745F
oklch(50.9% 0.076 169.9)
- #87536C
#87536C
oklch(50.9% 0.077 349.9)
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 #31745F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.034
- Deep Turquoise #017374 ΔE 0.038
- Bluegreen #017A79 ΔE 0.040
- Deep Aqua #08787F ΔE 0.048
- Dark Aqua #05696B ΔE 0.052
- Teal #008080 ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.057
- Dark Olive Green #556B2F ΔE 0.064
Use #31745F 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.