#376D6B
Closest named color: Dark Aquamarine (#017371). oklch(49.7% 0.058 192.3), rgb(55, 109, 107).
Aa
White text reads best on this color (5.89:1).
About this color
#376D6B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 50%, its chroma 0.058 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.029 away. White text reads best on it, at 5.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.56:1 |
| White text | 5.89:1 |
Values
| HEX | #376D6B |
| RGB | rgb(55, 109, 107) |
| HSL | hsl(178, 33%, 32%) |
| OKLCH | oklch(49.7% 0.058 192.3) |
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 #376D6B | 5.89:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #376D6B | 3.56:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #376D6B text on white | 5.89:1 | AA | Lc 79.4 | Fine for body text |
| #376D6B text on black | 3.56:1 | AA large text | Lc -22.5 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDC
oklch(88.6% 0.016 192)
-
Step 300
300
#ADC7C5
oklch(81% 0.028 190.9)
-
Step 400
400
#81AAA8
oklch(70.8% 0.044 192.5)
-
Step 500
500
#5F9592
oklch(63.1% 0.057 191.3)
-
Step 600
600
#447F7D
oklch(55.6% 0.062 192.7)
-
Step 700
700 (this color)
#376D6B
oklch(49.7% 0.058 192.3)
-
Step 800
800
#2D5756
oklch(42.6% 0.047 193.5)
-
Step 900
900
#294847
oklch(37.7% 0.037 193.1)
-
Step 950
950
#182A29
oklch(26.9% 0.024 191.4)
#376D6B 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) | #67686B | 0.060 |
| Deuteranopia (no green cones) | #5E616C | 0.058 |
| Tritanopia (no blue cones) | #19706C | 0.021 |
| Achromatopsia (no color) | #646464 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #376D6B
#376D6B
oklch(49.7% 0.058 192.3)
- #805559
#805559
oklch(49.8% 0.058 13.2)
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 #376D6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.029
- Deep Turquoise #017374 ΔE 0.029
- Dark Aqua #05696B ΔE 0.033
- Deep Aqua #08787F ΔE 0.040
- Slate #516572 ΔE 0.041
- Bluegreen #017A79 ΔE 0.042
- Dark Green Blue #1F6357 ΔE 0.048
- Teal #008080 ΔE 0.058
Use #376D6B 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.