#37604B
Closest named color: Dark Green Blue (#1F6357). oklch(45.2% 0.058 160.5), rgb(55, 96, 75).
Aa
White text reads best on this color (7.14:1).
About this color
#37604B is a medium-dark, muted green. In OKLCH its lightness is 45%, its chroma 0.058 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.024 away. White text reads best on it, at 7.14:1.
| Hue family | Greens |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.93:1 |
| White text | 7.14:1 |
Values
| HEX | #37604B |
| RGB | rgb(55, 96, 75) |
| HSL | hsl(149, 27%, 30%) |
| OKLCH | oklch(45.2% 0.058 160.5) |
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 #37604B | 7.14:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #37604B | 2.93:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #37604B text on white | 7.14:1 | AAA | Lc 84.7 | Fine for body text |
| #37604B text on black | 2.93:1 | Fails | Lc -17.3 | 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 800.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CFDDD5
oklch(88.5% 0.019 161.1)
-
Step 300
300
#AEC8B9
oklch(80.9% 0.035 160.2)
-
Step 400
400
#83AC95
oklch(70.8% 0.056 160)
-
Step 500
500
#63977B
oklch(63.1% 0.07 160)
-
Step 600
600
#488164
oklch(55.5% 0.076 160.4)
-
Step 700
700
#396D53
oklch(49.1% 0.071 160.5)
-
Step 800
800 (this color)
#37604B
oklch(45.2% 0.058 160.5)
-
Step 900
900
#2B4939
oklch(37.6% 0.046 159.9)
-
Step 950
950
#1A2B22
oklch(27.1% 0.028 160.6)
#37604B 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) | #5F5A4A | 0.056 |
| Deuteranopia (no green cones) | #58564C | 0.053 |
| Tritanopia (no blue cones) | #2D605A | 0.025 |
| Achromatopsia (no color) | #585858 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37604B
#37604B
oklch(45.2% 0.058 160.5)
- #6C4960
#6C4960
oklch(45.2% 0.058 340.1)
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 #37604B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.024
- Pine #2B5D34 ΔE 0.038
- Spruce #0A5F38 ΔE 0.047
- Dark Aqua #05696B ΔE 0.052
- Petrol #005F6A ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.060
- Army Green #4B5D16 ΔE 0.062
- Camo Green #526525 ΔE 0.062
Use #37604B 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.