#397F71
Closest named color: Teal (#008080). oklch(54.7% 0.074 178.4), rgb(57, 127, 113).
Aa
White text reads best on this color (4.72:1).
About this color
#397F71 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.074 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.030 away. White text reads best on it, at 4.72:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.44:1 |
| White text | 4.72:1 |
Values
| HEX | #397F71 |
| RGB | rgb(57, 127, 113) |
| HSL | hsl(168, 38%, 36%) |
| OKLCH | oklch(54.7% 0.074 178.4) |
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 #397F71 | 4.72:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #397F71 | 4.44:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #397F71 text on white | 4.72:1 | AA | Lc 72.6 | Content text, not long reading |
| #397F71 text on black | 4.44:1 | AA large text | Lc -29.1 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDD9
oklch(88.4% 0.018 179.3)
-
Step 300
300
#ABC8C1
oklch(80.9% 0.033 179.2)
-
Step 400
400
#7CACA1
oklch(70.7% 0.054 178.9)
-
Step 500
500
#59978A
oklch(63% 0.068 179)
-
Step 600
600 (this color)
#397F71
oklch(54.7% 0.074 178.4)
-
Step 700
700
#2D6E61
oklch(49.2% 0.07 178.1)
-
Step 800
800
#27594F
oklch(42.6% 0.057 178.5)
-
Step 900
900
#254942
oklch(37.6% 0.044 179.8)
-
Step 950
950
#162B26
oklch(27% 0.029 177.1)
#397F71 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) | #7A7870 | 0.078 |
| Deuteranopia (no green cones) | #6F7072 | 0.074 |
| Tritanopia (no blue cones) | #11817B | 0.023 |
| Achromatopsia (no color) | #737373 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397F71
#397F71
oklch(54.7% 0.074 178.4)
- #945E70
#945E70
oklch(54.6% 0.074 358.3)
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 #397F71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.030
- Bluegreen #017A79 ΔE 0.035
- Deep Aqua #08787F ΔE 0.044
- Dark Cyan #008B8B ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.050
- Deep Turquoise #017374 ΔE 0.051
- Dark Sage #598556 ΔE 0.056
- Dusty Teal #4C9085 ΔE 0.058
Use #397F71 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.