#37674E
Closest named color: Dark Green Blue (#1F6357). oklch(47.2% 0.067 159.6), rgb(55, 103, 78).
Aa
White text reads best on this color (6.53:1).
About this color
#37674E is a medium-dark, muted green. In OKLCH its lightness is 47%, its chroma 0.067 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.030 away. White text reads best on it, at 6.53:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #37674E |
| RGB | rgb(55, 103, 78) |
| HSL | hsl(149, 30%, 31%) |
| OKLCH | oklch(47.2% 0.067 159.6) |
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 #37674E | 6.53:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #37674E | 3.21:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #37674E text on white | 6.53:1 | AA | Lc 82.3 | Fine for body text |
| #37674E text on black | 3.21:1 | AA large text | Lc -19.6 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D0DDD5
oklch(88.5% 0.018 159.1)
-
Step 300
300
#B0C7B9
oklch(80.8% 0.032 158.9)
-
Step 400
400
#85AB95
oklch(70.7% 0.052 159.3)
-
Step 500
500
#66967B
oklch(63.1% 0.066 159.1)
-
Step 600
600
#4C8064
oklch(55.5% 0.071 159.4)
-
Step 700
700 (this color)
#37674E
oklch(47.2% 0.067 159.6)
-
Step 800
800
#325844
oklch(42.6% 0.055 159.9)
-
Step 900
900
#2D4939
oklch(37.8% 0.044 158.4)
-
Step 950
950
#1B2B22
oklch(27.2% 0.027 159.3)
#37674E 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) | #66614D | 0.063 |
| Deuteranopia (no green cones) | #5F5B4F | 0.062 |
| Tritanopia (no blue cones) | #2B6760 | 0.029 |
| Achromatopsia (no color) | #5D5D5D | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37674E
#37674E
oklch(47.2% 0.067 159.6)
- #754C67
#754C67
oklch(47.2% 0.068 340.3)
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 #37674E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.030
- Pine #2B5D34 ΔE 0.047
- Dark Aqua #05696B ΔE 0.048
- Spruce #0A5F38 ΔE 0.054
- Camo Green #526525 ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.056
- Deep Turquoise #017374 ΔE 0.060
Use #37674E 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.