#397D5E
Closest named color: Dark Sage (#598556). oklch(53.6% 0.085 161.7), rgb(57, 125, 94).
Aa
White text reads best on this color (4.91:1).
About this color
#397D5E is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.085 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.045 away. White text reads best on it, at 4.91:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.26:1 |
| White text | 4.91:1 |
Values
| HEX | #397D5E |
| RGB | rgb(57, 125, 94) |
| HSL | hsl(153, 37%, 36%) |
| OKLCH | oklch(53.6% 0.085 161.7) |
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 #397D5E | 4.91:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #397D5E | 4.26:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #397D5E text on white | 4.91:1 | AA | Lc 73.9 | Content text, not long reading |
| #397D5E text on black | 4.26:1 | AA large text | Lc -27.8 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#ACC9B9
oklch(81% 0.038 161.3)
-
Step 400
400
#7EAD95
oklch(70.7% 0.061 162.1)
-
Step 500
500
#5B997B
oklch(63.2% 0.079 162)
-
Step 600
600 (this color)
#397D5E
oklch(53.6% 0.085 161.7)
-
Step 700
700
#306F52
oklch(49.2% 0.081 161.3)
-
Step 800
800
#295A44
oklch(42.6% 0.065 162.4)
-
Step 900
900
#264A39
oklch(37.6% 0.051 162.1)
-
Step 950
950
#172B21
oklch(26.8% 0.032 161.4)
#397D5E 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) | #7B755C | 0.082 |
| Deuteranopia (no green cones) | #716E60 | 0.079 |
| Tritanopia (no blue cones) | #227D74 | 0.035 |
| Achromatopsia (no color) | #707070 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397D5E
#397D5E
oklch(53.6% 0.085 161.7)
- #90597C
#90597C
oklch(53.7% 0.086 341.8)
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 #397D5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.045
- Sea Green #2E8B57 ΔE 0.048
- Bluegreen #017A79 ΔE 0.050
- Teal #008080 ΔE 0.052
- Jungle Green #048243 ΔE 0.054
- Dark Aquamarine #017371 ΔE 0.057
- Military Green #667C3E ΔE 0.058
- Viridian #1E9167 ΔE 0.058
Use #397D5E 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.