#337261
Closest named color: Dark Aquamarine (#017371). oklch(50.5% 0.071 173.2), rgb(51, 114, 97).
Aa
White text reads best on this color (5.64:1).
About this color
#337261 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.071 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.030 away. White text reads best on it, at 5.64:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.72:1 |
| White text | 5.64:1 |
Values
| HEX | #337261 |
| RGB | rgb(51, 114, 97) |
| HSL | hsl(164, 38%, 32%) |
| OKLCH | oklch(50.5% 0.071 173.2) |
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 #337261 | 5.64:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #337261 | 3.72:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #337261 text on white | 5.64:1 | AA | Lc 78.0 | Fine for body text |
| #337261 text on black | 3.72:1 | AA large text | Lc -23.7 | 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
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#ABC8BE
oklch(80.8% 0.034 172.6)
-
Step 400
400
#7DAC9D
oklch(70.6% 0.055 172.9)
-
Step 500
500
#5A9886
oklch(63.2% 0.07 173.4)
-
Step 600
600
#3D826F
oklch(55.6% 0.077 173)
-
Step 700
700 (this color)
#337261
oklch(50.5% 0.071 173.2)
-
Step 800
800
#28594C
oklch(42.6% 0.058 173.8)
-
Step 900
900
#264A3F
oklch(37.8% 0.046 171.9)
-
Step 950
950
#172B25
oklch(27% 0.028 173)
#337261 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) | #6F6B60 | 0.074 |
| Deuteranopia (no green cones) | #656462 | 0.071 |
| Tritanopia (no blue cones) | #15736D | 0.023 |
| Achromatopsia (no color) | #676767 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337261
#337261
oklch(50.5% 0.071 173.2)
- #855368
#855368
oklch(50.5% 0.072 353.2)
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 #337261, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.030
- Deep Turquoise #017374 ΔE 0.034
- Bluegreen #017A79 ΔE 0.039
- Deep Aqua #08787F ΔE 0.046
- Dark Aqua #05696B ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.052
- Teal #008080 ΔE 0.053
- Slate #516572 ΔE 0.064
Use #337261 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.