#397C56
Closest named color: Dark Sage (#598556). oklch(53.2% 0.092 156.5), rgb(57, 124, 86).
Aa
White text reads best on this color (5.01:1).
About this color
#397C56 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.092 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.046 away. White text reads best on it, at 5.01:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.19:1 |
| White text | 5.01:1 |
Values
| HEX | #397C56 |
| RGB | rgb(57, 124, 86) |
| HSL | hsl(146, 37%, 35%) |
| OKLCH | oklch(53.2% 0.092 156.5) |
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 #397C56 | 5.01:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #397C56 | 4.19:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #397C56 text on white | 5.01:1 | AA | Lc 74.4 | Content text, not long reading |
| #397C56 text on black | 4.19:1 | AA large text | Lc -27.3 | 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 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
#CEDED3
oklch(88.5% 0.023 155.9)
-
Step 300
300
#ACC9B6
oklch(80.9% 0.041 156.7)
-
Step 400
400
#7FAD90
oklch(70.6% 0.065 156.6)
-
Step 500
500
#5D9974
oklch(63.1% 0.084 156)
-
Step 600
600 (this color)
#397C56
oklch(53.2% 0.092 156.5)
-
Step 700
700
#326F4C
oklch(49.1% 0.085 156.1)
-
Step 800
800
#2A5A3F
oklch(42.6% 0.07 157)
-
Step 900
900
#274A35
oklch(37.6% 0.055 156.2)
-
Step 950
950
#182C1F
oklch(27.1% 0.036 154.8)
#397C56 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) | #7B7354 | 0.083 |
| Deuteranopia (no green cones) | #726C58 | 0.082 |
| Tritanopia (no blue cones) | #267B72 | 0.044 |
| Achromatopsia (no color) | #6F6F6F | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397C56
#397C56
oklch(53.2% 0.092 156.5)
- #8E5780
#8E5780
oklch(53.2% 0.092 336.8)
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 #397C56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.046
- Sea Green #2E8B57 ΔE 0.046
- Jungle Green #048243 ΔE 0.046
- Military Green #667C3E ΔE 0.054
- Muddy Green #657432 ΔE 0.057
- Bluegreen #017A79 ΔE 0.058
- Dark Moss Green #606C38 ΔE 0.059
- Dark Olive Green #556B2F ΔE 0.060
Use #397C56 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.