#397870
Closest named color: Bluegreen (#017A79). oklch(52.9% 0.066 184.5), rgb(57, 120, 112).
Aa
White text reads best on this color (5.12:1).
About this color
#397870 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.066 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.027 away. White text reads best on it, at 5.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.09:1 |
| White text | 5.12:1 |
Values
| HEX | #397870 |
| RGB | rgb(57, 120, 112) |
| HSL | hsl(172, 36%, 35%) |
| OKLCH | oklch(52.9% 0.066 184.5) |
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 #397870 | 5.12:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #397870 | 4.09:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #397870 text on white | 5.12:1 | AA | Lc 75.2 | Fine for body text |
| #397870 text on black | 4.09:1 | AA large text | Lc -26.5 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDDA
oklch(88.5% 0.017 182.7)
-
Step 300
300
#ACC7C3
oklch(80.8% 0.03 185.8)
-
Step 400
400
#7FABA4
oklch(70.7% 0.048 184.1)
-
Step 500
500
#5D968E
oklch(63.1% 0.061 184.5)
-
Step 600
600 (this color)
#397870
oklch(52.9% 0.066 184.5)
-
Step 700
700
#336C65
oklch(49.1% 0.061 184.9)
-
Step 800
800
#2B5852
oklch(42.6% 0.051 184.3)
-
Step 900
900
#284944
oklch(37.8% 0.04 183.4)
-
Step 950
950
#182B28
oklch(27.2% 0.026 183.3)
#397870 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) | #737270 | 0.071 |
| Deuteranopia (no green cones) | #686A71 | 0.067 |
| Tritanopia (no blue cones) | #167A75 | 0.021 |
| Achromatopsia (no color) | #6E6E6E | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397870
#397870
oklch(52.9% 0.066 184.5)
- #8C5B66
#8C5B66
oklch(52.8% 0.066 4.9)
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 #397870, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.027
- Deep Aqua #08787F ΔE 0.032
- Teal #008080 ΔE 0.033
- Dark Aquamarine #017371 ΔE 0.034
- Deep Turquoise #017374 ΔE 0.035
- Ocean #017B92 ΔE 0.054
- Dark Aqua #05696B ΔE 0.059
- Dark Cyan #008B8B ΔE 0.059
Use #397870 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.