#397B4D
Closest named color: Jungle Green (#048243). oklch(52.7% 0.099 151.5), rgb(57, 123, 77).
Aa
White text reads best on this color (5.10:1).
About this color
#397B4D is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.099 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.038 away. White text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #397B4D |
| RGB | rgb(57, 123, 77) |
| HSL | hsl(138, 37%, 35%) |
| OKLCH | oklch(52.7% 0.099 151.5) |
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 #397B4D | 5.10:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #397B4D | 4.11:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #397B4D text on white | 5.10:1 | AA | Lc 75.0 | Fine for body text |
| #397B4D text on black | 4.11:1 | AA large text | Lc -26.7 | 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 600.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED1
oklch(88.5% 0.025 151.1)
-
Step 300
300
#ACC9B2
oklch(80.8% 0.045 151.4)
-
Step 400
400
#80AE8A
oklch(70.8% 0.072 150.9)
-
Step 500
500
#5E996D
oklch(63% 0.091 151.2)
-
Step 600
600 (this color)
#397B4D
oklch(52.7% 0.099 151.5)
-
Step 700
700
#336F45
oklch(49% 0.092 151.4)
-
Step 800
800
#2B5B39
oklch(42.7% 0.077 151.4)
-
Step 900
900
#284B31
oklch(37.8% 0.06 150.9)
-
Step 950
950
#182C1D
oklch(27.1% 0.038 151.1)
#397B4D 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) | #7B724A | 0.084 |
| Deuteranopia (no green cones) | #726B50 | 0.084 |
| Tritanopia (no blue cones) | #2A796F | 0.053 |
| Achromatopsia (no color) | #6E6E6E | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397B4D
#397B4D
oklch(52.7% 0.099 151.5)
- #8C5485
#8C5485
oklch(52.7% 0.1 331.5)
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 #397B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.038
- Sea Green #2E8B57 ΔE 0.046
- Dark Sage #598556 ΔE 0.049
- Military Green #667C3E ΔE 0.051
- Muddy Green #657432 ΔE 0.052
- Dark Olive Green #556B2F ΔE 0.053
- Dark Moss Green #606C38 ΔE 0.056
- Tree Green #2A7E19 ΔE 0.061
Use #397B4D 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.