#397373
Closest named color: Deep Turquoise (#017374). oklch(51.7% 0.061 195.4), rgb(57, 115, 115).
Aa
White text reads best on this color (5.42:1).
About this color
#397373 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.061 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.028 away. White text reads best on it, at 5.42:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #397373 |
| RGB | rgb(57, 115, 115) |
| HSL | hsl(180, 34%, 34%) |
| OKLCH | oklch(51.7% 0.061 195.4) |
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 #397373 | 5.42:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #397373 | 3.87:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #397373 text on white | 5.42:1 | AA | Lc 76.9 | Fine for body text |
| #397373 text on black | 3.87:1 | AA large text | Lc -24.9 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#ACC7C6
oklch(80.9% 0.029 193.9)
-
Step 400
400
#7EAAAA
oklch(70.6% 0.047 196.1)
-
Step 500
500
#5C9595
oklch(63.1% 0.06 195.7)
-
Step 600
600
#407F7F
oklch(55.5% 0.065 195.4)
-
Step 700
700 (this color)
#397373
oklch(51.7% 0.061 195.4)
-
Step 800
800
#2A5858
oklch(42.8% 0.05 195.4)
-
Step 900
900
#274848
oklch(37.7% 0.039 195.6)
-
Step 950
950
#172A2A
oklch(26.9% 0.025 195.8)
#397373 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) | #6D6E73 | 0.064 |
| Deuteranopia (no green cones) | #636773 | 0.059 |
| Tritanopia (no blue cones) | #157673 | 0.023 |
| Achromatopsia (no color) | #6A6A6A | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397373
#397373
oklch(51.7% 0.061 195.4)
- #875A5C
#875A5C
oklch(51.7% 0.06 16.4)
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 #397373, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.028
- Deep Aqua #08787F ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.029
- Bluegreen #017A79 ΔE 0.030
- Teal #008080 ΔE 0.042
- Slate #516572 ΔE 0.048
- Dark Aqua #05696B ΔE 0.048
- Ocean #017B92 ΔE 0.050
Use #397373 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.