#397073
Closest named color: Deep Turquoise (#017374). oklch(50.9% 0.058 200.1), rgb(57, 112, 115).
Aa
White text reads best on this color (5.61:1).
About this color
#397073 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.058 and its hue 200°. 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 5.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.73:1 |
| White text | 5.61:1 |
Values
| HEX | #397073 |
| RGB | rgb(57, 112, 115) |
| HSL | hsl(183, 34%, 34%) |
| OKLCH | oklch(50.9% 0.058 200.1) |
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 #397073 | 5.61:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #397073 | 3.73:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #397073 text on white | 5.61:1 | AA | Lc 77.9 | Fine for body text |
| #397073 text on black | 3.73:1 | AA large text | Lc -23.8 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDCDD
oklch(88.4% 0.015 202)
-
Step 300
300
#ACC6C8
oklch(80.8% 0.028 202.3)
-
Step 400
400
#80AAAC
oklch(70.8% 0.045 199.8)
-
Step 500
500
#5E9497
oklch(63% 0.057 200.3)
-
Step 600
600
#427F82
oklch(55.7% 0.063 199.7)
-
Step 700
700 (this color)
#397073
oklch(50.9% 0.058 200.1)
-
Step 800
800
#2C5759
oklch(42.7% 0.048 199.5)
-
Step 900
900
#284849
oklch(37.7% 0.038 198.2)
-
Step 950
950
#182A2B
oklch(27% 0.024 200.3)
#397073 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) | #696C73 | 0.059 |
| Deuteranopia (no green cones) | #5F6473 | 0.056 |
| Tritanopia (no blue cones) | #167371 | 0.025 |
| Achromatopsia (no color) | #676767 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397073
#397073
oklch(50.9% 0.058 200.1)
- #845858
#845858
oklch(50.8% 0.059 19.3)
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 #397073, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.030
- Deep Aqua #08787F ΔE 0.032
- Bluegreen #017A79 ΔE 0.036
- Slate #516572 ΔE 0.040
- Dark Aqua #05696B ΔE 0.042
- Teal #008080 ΔE 0.049
- Metallic Blue #4F738E ΔE 0.051
Use #397073 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.