#397E5C
Closest named color: Dark Sage (#598556). oklch(53.8% 0.089 159.8), rgb(57, 126, 92).
Aa
White text reads best on this color (4.86:1).
About this color
#397E5C is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.089 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.042 away. White text reads best on it, at 4.86:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #397E5C |
| RGB | rgb(57, 126, 92) |
| HSL | hsl(150, 38%, 36%) |
| OKLCH | oklch(53.8% 0.089 159.8) |
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 #397E5C | 4.86:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #397E5C | 4.31:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #397E5C text on white | 4.86:1 | AA | Lc 73.6 | Content text, not long reading |
| #397E5C text on black | 4.31:1 | AA large text | Lc -28.1 | 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
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#ABC9B8
oklch(80.9% 0.04 160.6)
-
Step 400
400
#7EAD93
oklch(70.6% 0.063 160)
-
Step 500
500
#5B9978
oklch(63.1% 0.082 159.6)
-
Step 600
600 (this color)
#397E5C
oklch(53.8% 0.089 159.8)
-
Step 700
700
#306F50
oklch(49.1% 0.083 159.7)
-
Step 800
800
#295A42
oklch(42.6% 0.067 160.3)
-
Step 900
900
#264A38
oklch(37.6% 0.052 160.6)
-
Step 950
950
#172C21
oklch(27.1% 0.034 160.1)
#397E5C 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) | #7D755A | 0.085 |
| Deuteranopia (no green cones) | #736E5E | 0.082 |
| Tritanopia (no blue cones) | #227D75 | 0.040 |
| Achromatopsia (no color) | #717171 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397E5C
#397E5C
oklch(53.8% 0.089 159.8)
- #90597F
#90597F
oklch(53.8% 0.089 339.2)
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 #397E5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.042
- Sea Green #2E8B57 ΔE 0.043
- Jungle Green #048243 ΔE 0.050
- Bluegreen #017A79 ΔE 0.054
- Teal #008080 ΔE 0.055
- Viridian #1E9167 ΔE 0.055
- Military Green #667C3E ΔE 0.056
- Dark Aquamarine #017371 ΔE 0.061
Use #397E5C 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.