#37674B
Closest named color: Dark Green Blue (#1F6357). oklch(47.1% 0.07 156.8), rgb(55, 103, 75).
Aa
White text reads best on this color (6.55:1).
About this color
#37674B is a medium-dark, moderately saturated green. In OKLCH its lightness is 47%, its chroma 0.070 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.032 away. White text reads best on it, at 6.55:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.070) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.20:1 |
| White text | 6.55:1 |
Values
| HEX | #37674B |
| RGB | rgb(55, 103, 75) |
| HSL | hsl(145, 30%, 31%) |
| OKLCH | oklch(47.1% 0.07 156.8) |
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 #37674B | 6.55:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #37674B | 3.20:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #37674B text on white | 6.55:1 | AA | Lc 82.3 | Fine for body text |
| #37674B text on black | 3.20:1 | 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
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D0DDD4
oklch(88.5% 0.019 155.8)
-
Step 300
300
#B0C8B8
oklch(81% 0.034 156.4)
-
Step 400
400
#85AB93
oklch(70.6% 0.054 157)
-
Step 500
500
#669679
oklch(63% 0.068 157.3)
-
Step 600
600
#4C8161
oklch(55.7% 0.076 156.4)
-
Step 700
700 (this color)
#37674B
oklch(47.1% 0.07 156.8)
-
Step 800
800
#335942
oklch(42.8% 0.058 156.3)
-
Step 900
900
#2D4938
oklch(37.7% 0.045 156.8)
-
Step 950
950
#1B2B21
oklch(27.1% 0.028 156.5)
#37674B 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) | #666049 | 0.064 |
| Deuteranopia (no green cones) | #5F5B4D | 0.063 |
| Tritanopia (no blue cones) | #2C665F | 0.033 |
| Achromatopsia (no color) | #5D5D5D | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37674B
#37674B
oklch(47.1% 0.07 156.8)
- #744C6A
#744C6A
oklch(47.2% 0.069 336.2)
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 #37674B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.032
- Pine #2B5D34 ΔE 0.044
- Camo Green #526525 ΔE 0.051
- Spruce #0A5F38 ΔE 0.051
- Dark Olive Green #556B2F ΔE 0.052
- Dark Aqua #05696B ΔE 0.052
- Dark Aquamarine #017371 ΔE 0.059
- Dark Moss Green #606C38 ΔE 0.060
Use #37674B 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.