#397A5A
Closest named color: Bluegreen (#017A79). oklch(52.7% 0.085 160), rgb(57, 122, 90).
Aa
White text reads best on this color (5.11:1).
About this color
#397A5A is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.085 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.051 away. White text reads best on it, at 5.11:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #397A5A |
| RGB | rgb(57, 122, 90) |
| HSL | hsl(150, 36%, 35%) |
| OKLCH | oklch(52.7% 0.085 160) |
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 #397A5A | 5.11:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #397A5A | 4.10:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #397A5A text on white | 5.11:1 | AA | Lc 75.1 | Fine for body text |
| #397A5A text on black | 4.10:1 | AA large text | Lc -26.6 | 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
#CEDED4
oklch(88.6% 0.022 158.5)
-
Step 300
300
#ACC9B8
oklch(81% 0.039 159.7)
-
Step 400
400
#80AD94
oklch(70.8% 0.061 160)
-
Step 500
500
#5E9879
oklch(63.1% 0.077 159.8)
-
Step 600
600 (this color)
#397A5A
oklch(52.7% 0.085 160)
-
Step 700
700
#336E51
oklch(49% 0.078 160.1)
-
Step 800
800
#2B5A43
oklch(42.7% 0.065 160.6)
-
Step 900
900
#284A38
oklch(37.7% 0.051 159.5)
-
Step 950
950
#182B21
oklch(26.9% 0.031 160.3)
#397A5A 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) | #797258 | 0.081 |
| Deuteranopia (no green cones) | #6F6B5C | 0.078 |
| Tritanopia (no blue cones) | #257A71 | 0.036 |
| Achromatopsia (no color) | #6E6E6E | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397A5A
#397A5A
oklch(52.7% 0.085 160)
- #8C577A
#8C577A
oklch(52.8% 0.085 340.6)
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 #397A5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.051
- Dark Sage #598556 ΔE 0.051
- Dark Aquamarine #017371 ΔE 0.054
- Sea Green #2E8B57 ΔE 0.054
- Jungle Green #048243 ΔE 0.054
- Teal #008080 ΔE 0.056
- Deep Turquoise #017374 ΔE 0.057
- Dark Moss Green #606C38 ΔE 0.059
Use #397A5A 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.