#397D5A
Closest named color: Dark Sage (#598556). oklch(53.5% 0.089 158.8), rgb(57, 125, 90).
Aa
White text reads best on this color (4.93:1).
About this color
#397D5A is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.089 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.044 away. White text reads best on it, at 4.93:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #397D5A |
| RGB | rgb(57, 125, 90) |
| HSL | hsl(149, 37%, 36%) |
| OKLCH | oklch(53.5% 0.089 158.8) |
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 #397D5A | 4.93:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #397D5A | 4.25:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #397D5A text on white | 4.93:1 | AA | Lc 74.0 | Content text, not long reading |
| #397D5A text on black | 4.25:1 | AA large text | Lc -27.7 | 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
#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
#ACC9B7
oklch(80.9% 0.04 158.1)
-
Step 400
400
#7EAD92
oklch(70.6% 0.064 159)
-
Step 500
500
#5C9977
oklch(63.2% 0.082 158.5)
-
Step 600
600 (this color)
#397D5A
oklch(53.5% 0.089 158.8)
-
Step 700
700
#316F4F
oklch(49.1% 0.083 158.6)
-
Step 800
800
#2A5A41
oklch(42.6% 0.068 158.9)
-
Step 900
900
#274A37
oklch(37.6% 0.053 158.7)
-
Step 950
950
#172C20
oklch(27.1% 0.035 157.9)
#397D5A 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) | #7C7458 | 0.084 |
| Deuteranopia (no green cones) | #726D5C | 0.082 |
| Tritanopia (no blue cones) | #247C74 | 0.041 |
| Achromatopsia (no color) | #707070 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397D5A
#397D5A
oklch(53.5% 0.089 158.8)
- #8F587F
#8F587F
oklch(53.5% 0.09 338.4)
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 #397D5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.044
- Sea Green #2E8B57 ΔE 0.045
- Jungle Green #048243 ΔE 0.049
- Bluegreen #017A79 ΔE 0.055
- Military Green #667C3E ΔE 0.055
- Teal #008080 ΔE 0.057
- Viridian #1E9167 ΔE 0.058
- Muddy Green #657432 ΔE 0.060
Use #397D5A 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.