#376D5B
Closest named color: Dark Aquamarine (#017371). oklch(49.2% 0.065 169.7), rgb(55, 109, 91).
Aa
White text reads best on this color (5.99:1).
About this color
#376D5B is a medium-dark, muted green. In OKLCH its lightness is 49%, its chroma 0.065 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 0.038 away. White text reads best on it, at 5.99:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.50:1 |
| White text | 5.99:1 |
Values
| HEX | #376D5B |
| RGB | rgb(55, 109, 91) |
| HSL | hsl(160, 33%, 32%) |
| OKLCH | oklch(49.2% 0.065 169.7) |
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 #376D5B | 5.99:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #376D5B | 3.50:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #376D5B text on white | 5.99:1 | AA | Lc 79.8 | Fine for body text |
| #376D5B text on black | 3.50:1 | AA large text | Lc -22.0 | 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
#CFDDD7
oklch(88.5% 0.017 168.4)
-
Step 300
300
#AEC8BD
oklch(81% 0.032 168.1)
-
Step 400
400
#82AB9C
oklch(70.7% 0.05 170.4)
-
Step 500
500
#619683
oklch(63% 0.064 169.6)
-
Step 600
600
#46816D
oklch(55.7% 0.07 169.7)
-
Step 700
700 (this color)
#376D5B
oklch(49.2% 0.065 169.7)
-
Step 800
800
#2E594A
oklch(42.8% 0.055 169)
-
Step 900
900
#2A493E
oklch(37.7% 0.042 169.4)
-
Step 950
950
#192B24
oklch(27.1% 0.027 167.9)
#376D5B 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) | #6A675A | 0.066 |
| Deuteranopia (no green cones) | #62615C | 0.063 |
| Tritanopia (no blue cones) | #246E68 | 0.022 |
| Achromatopsia (no color) | #636363 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #376D5B
#376D5B
oklch(49.2% 0.065 169.7)
- #7D5166
#7D5166
oklch(49.1% 0.066 349.7)
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 #376D5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.040
- Deep Turquoise #017374 ΔE 0.041
- Dark Aqua #05696B ΔE 0.041
- Bluegreen #017A79 ΔE 0.052
- Deep Aqua #08787F ΔE 0.056
- Slate #516572 ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.062
Use #376D5B 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.