#376E5E
Closest named color: Dark Aquamarine (#017371). oklch(49.5% 0.064 172.4), rgb(55, 110, 94).
Aa
White text reads best on this color (5.90:1).
About this color
#376E5E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 50%, its chroma 0.064 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.034 away. White text reads best on it, at 5.90:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.55:1 |
| White text | 5.90:1 |
Values
| HEX | #376E5E |
| RGB | rgb(55, 110, 94) |
| HSL | hsl(163, 33%, 32%) |
| OKLCH | oklch(49.5% 0.064 172.4) |
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 #376E5E | 5.90:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #376E5E | 3.55:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #376E5E text on white | 5.90:1 | AA | Lc 79.4 | Fine for body text |
| #376E5E text on black | 3.55:1 | AA large text | Lc -22.4 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD8
oklch(88.5% 0.017 174)
-
Step 300
300
#ADC8BE
oklch(81% 0.032 171.1)
-
Step 400
400
#81AB9D
oklch(70.7% 0.05 172.3)
-
Step 500
500
#609685
oklch(63% 0.063 172.3)
-
Step 600
600
#45816F
oklch(55.7% 0.069 172.1)
-
Step 700
700 (this color)
#376E5E
oklch(49.5% 0.064 172.4)
-
Step 800
800
#2D594C
oklch(42.8% 0.054 172.4)
-
Step 900
900
#29493F
oklch(37.7% 0.042 172)
-
Step 950
950
#192B25
oklch(27.1% 0.026 171.3)
#376E5E 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) | #6B685D | 0.067 |
| Deuteranopia (no green cones) | #62625F | 0.063 |
| Tritanopia (no blue cones) | #226F69 | 0.021 |
| Achromatopsia (no color) | #646464 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #376E5E
#376E5E
oklch(49.5% 0.064 172.4)
- #7F5365
#7F5365
oklch(49.6% 0.064 353.5)
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 #376E5E, 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
- Dark Aqua #05696B ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.043
- Bluegreen #017A79 ΔE 0.047
- Deep Aqua #08787F ΔE 0.052
- Slate #516572 ΔE 0.058
- Teal #008080 ΔE 0.063
Use #376E5E 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.