#337358
Closest named color: Dark Aquamarine (#017371). oklch(50.5% 0.079 163.5), rgb(51, 115, 88).
Aa
White text reads best on this color (5.62:1).
About this color
#337358 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.079 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.042 away. White text reads best on it, at 5.62:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #337358 |
| RGB | rgb(51, 115, 88) |
| HSL | hsl(155, 39%, 33%) |
| OKLCH | oklch(50.5% 0.079 163.5) |
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 #337358 | 5.62:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #337358 | 3.73:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #337358 text on white | 5.62:1 | AA | Lc 77.9 | Fine for body text |
| #337358 text on black | 3.73:1 | AA large text | Lc -23.8 | 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
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#ABC9BA
oklch(80.9% 0.038 163.8)
-
Step 400
400
#7DAD96
oklch(70.7% 0.061 163.6)
-
Step 500
500
#5A997C
oklch(63.2% 0.079 163.1)
-
Step 600
600
#3D8365
oklch(55.6% 0.086 163.3)
-
Step 700
700 (this color)
#337358
oklch(50.5% 0.079 163.5)
-
Step 800
800
#285A45
oklch(42.6% 0.065 163.8)
-
Step 900
900
#264A3A
oklch(37.7% 0.05 163.5)
-
Step 950
950
#172B22
oklch(26.9% 0.031 164)
#337358 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) | #716B57 | 0.078 |
| Deuteranopia (no green cones) | #68655A | 0.075 |
| Tritanopia (no blue cones) | #1B736B | 0.031 |
| Achromatopsia (no color) | #676767 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337358
#337358
oklch(50.5% 0.079 163.5)
- #855270
#855270
oklch(50.6% 0.079 344.2)
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 #337358, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.042
- Deep Turquoise #017374 ΔE 0.046
- Bluegreen #017A79 ΔE 0.049
- Dark Olive Green #556B2F ΔE 0.056
- Dark Green Blue #1F6357 ΔE 0.056
- Dark Aqua #05696B ΔE 0.056
- Dark Moss Green #606C38 ΔE 0.058
- Deep Aqua #08787F ΔE 0.058
Use #337358 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.