#39717D
Closest named color: Deep Aqua (#08787F). oklch(51.5% 0.062 213.4), rgb(57, 113, 125).
Aa
White text reads best on this color (5.47:1).
About this color
#39717D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.062 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.030 away. White text reads best on it, at 5.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #39717D |
| RGB | rgb(57, 113, 125) |
| HSL | hsl(191, 37%, 36%) |
| OKLCH | oklch(51.5% 0.062 213.4) |
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 #39717D | 5.47:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #39717D | 3.83:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #39717D text on white | 5.47:1 | AA | Lc 77.2 | Fine for body text |
| #39717D text on black | 3.83:1 | AA large text | Lc -24.5 | 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 700.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CDDCE0
oklch(88.4% 0.017 215.5)
-
Step 300
300
#ACC6CC
oklch(80.9% 0.029 213.2)
-
Step 400
400
#7EA9B3
oklch(70.7% 0.048 213.6)
-
Step 500
500
#5C93A0
oklch(63% 0.061 214.4)
-
Step 600
600
#407E8B
oklch(55.7% 0.067 213)
-
Step 700
700 (this color)
#39717D
oklch(51.5% 0.062 213.4)
-
Step 800
800
#2A5660
oklch(42.6% 0.051 214.4)
-
Step 900
900
#27474E
oklch(37.6% 0.04 213.3)
-
Step 950
950
#172A2E
oklch(27.1% 0.026 212.5)
#39717D 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) | #686E7E | 0.057 |
| Deuteranopia (no green cones) | #5D667D | 0.051 |
| Tritanopia (no blue cones) | #077675 | 0.035 |
| Achromatopsia (no color) | #696969 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39717D
#39717D
oklch(51.5% 0.062 213.4)
- #875B50
#875B50
oklch(51.6% 0.061 34.6)
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 #39717D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.030
- Deep Turquoise #017374 ΔE 0.035
- Metallic Blue #4F738E ΔE 0.038
- Dark Aquamarine #017371 ΔE 0.038
- Bluegreen #017A79 ΔE 0.039
- Slate #516572 ΔE 0.040
- Ocean #017B92 ΔE 0.041
- Sea Blue #047495 ΔE 0.042
Use #39717D 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.